inferno-ai 0.10.3

#![allow(dead_code, unused_imports, unused_variables)]
use crate::{
    config::Config,
    model_versioning::{ExperimentVariant, ModelVersioningSystem, RolloutStrategy},
};
use anyhow::Result;
use clap::{Args, Subcommand};
use std::path::PathBuf;
use tracing::{info, warn};

#[derive(Debug, Args)]
pub struct ModelVersioningArgs {
    #[command(subcommand)]
    pub command: ModelVersioningCommand,
}

#[derive(Debug, Subcommand)]
pub enum ModelVersioningCommand {
    #[command(about = "Create a new model version")]
    Create {
        #[arg(help = "Model name")]
        model: String,

        #[arg(help = "Version number")]
        version: String,

        #[arg(help = "Model file path")]
        file: PathBuf,

        #[arg(long, help = "Version description")]
        description: Option<String>,

        #[arg(long, help = "Model type")]
        model_type: Option<String>,

        #[arg(long, help = "Model format")]
        format: Option<String>,

        #[arg(long, help = "Tags (comma-separated)")]
        tags: Option<String>,

        #[arg(long, help = "Created by")]
        created_by: Option<String>,
    },

    #[command(about = "List model versions")]
    List {
        #[arg(help = "Model name (optional)")]
        model: Option<String>,

        #[arg(long, help = "Show only specific status")]
        status: Option<String>,

        #[arg(long, help = "Limit number of results")]
        limit: Option<usize>,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "Show version details")]
    Show {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Show validation results")]
        validation: bool,

        #[arg(long, help = "Show deployment status")]
        deployment: bool,

        #[arg(long, help = "Show lineage")]
        lineage: bool,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "Validate a model version")]
    Validate {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Run specific test")]
        test: Option<String>,

        #[arg(long, help = "Skip benchmarks")]
        skip_benchmarks: bool,

        #[arg(long, help = "Skip data validation")]
        skip_data: bool,
    },

    #[command(about = "Deploy a model version")]
    Deploy {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(help = "Target environment")]
        environment: String,

        #[arg(long, help = "Deployment strategy")]
        strategy: Option<String>,

        #[arg(long, help = "Traffic percentage for canary")]
        traffic: Option<f64>,

        #[arg(long, help = "Force deployment without validation")]
        force: bool,
    },

    #[command(about = "Rollback a deployment")]
    Rollback {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(help = "Target environment")]
        environment: String,

        #[arg(long, help = "Rollback to specific version")]
        to_version: Option<String>,

        #[arg(long, help = "Force rollback")]
        force: bool,
    },

    #[command(about = "Compare model versions")]
    Compare {
        #[arg(help = "Version IDs to compare (comma-separated)")]
        versions: String,

        #[arg(long, help = "Metrics to compare")]
        metrics: Option<String>,

        #[arg(long, help = "Generate visualization")]
        visualize: bool,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "A/B testing operations")]
    ABTest {
        #[command(subcommand)]
        action: ABTestAction,
    },

    #[command(about = "Model registry operations")]
    Registry {
        #[command(subcommand)]
        action: RegistryAction,
    },

    #[command(about = "Canary deployment operations")]
    Canary {
        #[command(subcommand)]
        action: CanaryAction,
    },

    #[command(about = "Version lineage operations")]
    Lineage {
        #[command(subcommand)]
        action: LineageAction,
    },

    #[command(about = "Performance tracking operations")]
    Performance {
        #[command(subcommand)]
        action: PerformanceAction,
    },

    #[command(about = "Export version data")]
    Export {
        #[arg(help = "Output file path")]
        output: PathBuf,

        #[arg(long, help = "Export format")]
        format: Option<ExportFormat>,

        #[arg(long, help = "Include version data")]
        versions: bool,

        #[arg(long, help = "Include experiment data")]
        experiments: bool,

        #[arg(long, help = "Include metrics data")]
        metrics: bool,

        #[arg(long, help = "Date range filter")]
        date_range: Option<String>,
    },

    #[command(about = "Import version data")]
    Import {
        #[arg(help = "Input file path")]
        input: PathBuf,

        #[arg(long, help = "Merge with existing data")]
        merge: bool,

        #[arg(long, help = "Backup before import")]
        backup: bool,
    },

    #[command(about = "Cleanup old versions")]
    Cleanup {
        #[arg(long, help = "Dry run - show what would be cleaned")]
        dry_run: bool,

        #[arg(long, help = "Force cleanup without confirmation")]
        force: bool,

        #[arg(long, help = "Cleanup strategy")]
        strategy: Option<String>,

        #[arg(long, help = "Older than days")]
        older_than: Option<u32>,
    },

    #[command(about = "Generate reports")]
    Report {
        #[command(subcommand)]
        action: ReportAction,
    },
}

/// Configuration for creating model versions
/// Reduces function signature from 9 parameters to 2
pub struct CreateVersionConfig {
    pub model: String,
    pub version: String,
    pub file: PathBuf,
    pub description: Option<String>,
    pub model_type: Option<String>,
    pub format: Option<String>,
    pub tags: Option<String>,
    pub created_by: Option<String>,
}

#[derive(Debug, Subcommand)]
pub enum ABTestAction {
    #[command(about = "Create new A/B test experiment")]
    Create {
        #[arg(help = "Experiment name")]
        name: String,

        #[arg(help = "Control version ID")]
        control_version: String,

        #[arg(help = "Treatment version ID")]
        treatment_version: String,

        #[arg(long, help = "Experiment description")]
        description: Option<String>,

        #[arg(long, help = "Duration in days")]
        duration: Option<u32>,

        #[arg(long, help = "Traffic split percentage for treatment")]
        traffic_split: Option<f64>,

        #[arg(long, help = "Success metrics")]
        metrics: Option<String>,

        #[arg(long, help = "Minimum sample size")]
        min_sample_size: Option<u32>,
    },

    #[command(about = "List A/B test experiments")]
    List {
        #[arg(long, help = "Filter by status")]
        status: Option<String>,

        #[arg(long, help = "Show only active experiments")]
        active: bool,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "Start an experiment")]
    Start {
        #[arg(help = "Experiment ID")]
        experiment_id: String,
    },

    #[command(about = "Stop an experiment")]
    Stop {
        #[arg(help = "Experiment ID")]
        experiment_id: String,

        #[arg(long, help = "Generate final report")]
        report: bool,
    },

    #[command(about = "Pause an experiment")]
    Pause {
        #[arg(help = "Experiment ID")]
        experiment_id: String,
    },

    #[command(about = "Resume a paused experiment")]
    Resume {
        #[arg(help = "Experiment ID")]
        experiment_id: String,
    },

    #[command(about = "Show experiment status")]
    Status {
        #[arg(help = "Experiment ID")]
        experiment_id: String,

        #[arg(long, help = "Show detailed metrics")]
        detailed: bool,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "Get experiment results")]
    Results {
        #[arg(help = "Experiment ID")]
        experiment_id: String,

        #[arg(long, help = "Generate statistical analysis")]
        analysis: bool,

        #[arg(long, help = "Export results")]
        export: Option<PathBuf>,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "Update experiment configuration")]
    Update {
        #[arg(help = "Experiment ID")]
        experiment_id: String,

        #[arg(long, help = "New traffic split")]
        traffic_split: Option<f64>,

        #[arg(long, help = "New duration")]
        duration: Option<u32>,

        #[arg(long, help = "Add success metric")]
        add_metric: Option<String>,
    },

    #[command(about = "Clone experiment configuration")]
    Clone {
        #[arg(help = "Source experiment ID")]
        source_experiment_id: String,

        #[arg(help = "New experiment name")]
        name: String,

        #[arg(long, help = "Update version IDs")]
        versions: Option<String>,
    },
}

#[derive(Debug, Subcommand)]
pub enum RegistryAction {
    #[command(about = "Register model in registry")]
    Register {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Registry endpoint")]
        registry: Option<String>,

        #[arg(long, help = "Model stage")]
        stage: Option<String>,
    },

    #[command(about = "Search models in registry")]
    Search {
        #[arg(help = "Search query")]
        query: String,

        #[arg(long, help = "Filter by model type")]
        model_type: Option<String>,

        #[arg(long, help = "Filter by tags")]
        tags: Option<String>,

        #[arg(long, help = "Limit results")]
        limit: Option<usize>,
    },

    #[command(about = "Download model from registry")]
    Download {
        #[arg(help = "Model identifier")]
        model_id: String,

        #[arg(help = "Download path")]
        output: PathBuf,

        #[arg(long, help = "Specific version")]
        version: Option<String>,
    },

    #[command(about = "Upload model to registry")]
    Upload {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Registry endpoint")]
        registry: Option<String>,

        #[arg(long, help = "Include artifacts")]
        artifacts: bool,
    },

    #[command(about = "Update model metadata")]
    UpdateMetadata {
        #[arg(help = "Model identifier")]
        model_id: String,

        #[arg(long, help = "Add tag")]
        add_tag: Vec<String>,

        #[arg(long, help = "Remove tag")]
        remove_tag: Vec<String>,

        #[arg(long, help = "Update description")]
        description: Option<String>,
    },

    #[command(about = "Show registry configuration")]
    Config {
        #[arg(long, help = "Show authentication details")]
        auth: bool,
    },
}

#[derive(Debug, Subcommand)]
pub enum CanaryAction {
    #[command(about = "Start canary deployment")]
    Start {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(help = "Environment")]
        environment: String,

        #[arg(long, help = "Initial traffic percentage")]
        initial_traffic: Option<f64>,

        #[arg(long, help = "Traffic increment per stage")]
        increment: Option<f64>,

        #[arg(long, help = "Stage duration in minutes")]
        stage_duration: Option<u32>,
    },

    #[command(about = "Monitor canary deployment")]
    Monitor {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Show metrics")]
        metrics: bool,

        #[arg(long, help = "Show health status")]
        health: bool,

        #[arg(long, help = "Auto-refresh interval")]
        refresh: Option<u32>,
    },

    #[command(about = "Promote canary to full deployment")]
    Promote {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Skip validation")]
        skip_validation: bool,
    },

    #[command(about = "Abort canary deployment")]
    Abort {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Rollback immediately")]
        immediate: bool,
    },

    #[command(about = "Update canary traffic")]
    UpdateTraffic {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(help = "New traffic percentage")]
        traffic: f64,

        #[arg(long, help = "Gradual update")]
        gradual: bool,
    },

    #[command(about = "Show canary status")]
    Status {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Show detailed metrics")]
        detailed: bool,
    },
}

#[derive(Debug, Subcommand)]
pub enum LineageAction {
    #[command(about = "Show version lineage")]
    Show {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Show upstream lineage")]
        upstream: bool,

        #[arg(long, help = "Show downstream lineage")]
        downstream: bool,

        #[arg(long, help = "Maximum depth")]
        depth: Option<u32>,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "Track data sources")]
    DataSources {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Show data statistics")]
        stats: bool,

        #[arg(long, help = "Validate data integrity")]
        validate: bool,
    },

    #[command(about = "Show dependencies")]
    Dependencies {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Check for vulnerabilities")]
        security_check: bool,

        #[arg(long, help = "Show transitive dependencies")]
        transitive: bool,
    },

    #[command(about = "Visualize lineage graph")]
    Visualize {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(help = "Output file")]
        output: PathBuf,

        #[arg(long, help = "Graph format")]
        format: Option<String>,

        #[arg(long, help = "Include metadata")]
        metadata: bool,
    },
}

#[derive(Debug, Subcommand)]
pub enum PerformanceAction {
    #[command(about = "Show performance metrics")]
    Metrics {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Time range")]
        range: Option<String>,

        #[arg(long, help = "Specific metric")]
        metric: Option<String>,

        #[arg(long, help = "Aggregation function")]
        aggregation: Option<String>,

        #[arg(long, help = "Output format")]
        format: Option<OutputFormat>,
    },

    #[command(about = "Benchmark version performance")]
    Benchmark {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Benchmark dataset")]
        dataset: Option<String>,

        #[arg(long, help = "Number of iterations")]
        iterations: Option<u32>,

        #[arg(long, help = "Batch size")]
        batch_size: Option<u32>,

        #[arg(long, help = "Export results")]
        export: Option<PathBuf>,
    },

    #[command(about = "Compare performance")]
    Compare {
        #[arg(help = "Version IDs to compare")]
        versions: String,

        #[arg(long, help = "Metrics to compare")]
        metrics: Option<String>,

        #[arg(long, help = "Statistical significance test")]
        significance_test: bool,

        #[arg(long, help = "Generate report")]
        report: Option<PathBuf>,
    },

    #[command(about = "Set performance alerts")]
    Alert {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(help = "Metric name")]
        metric: String,

        #[arg(help = "Threshold value")]
        threshold: f64,

        #[arg(long, help = "Alert condition")]
        condition: Option<String>,

        #[arg(long, help = "Notification channel")]
        channel: Option<String>,
    },

    #[command(about = "Export performance data")]
    Export {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(help = "Output file")]
        output: PathBuf,

        #[arg(long, help = "Export format")]
        format: Option<ExportFormat>,

        #[arg(long, help = "Date range")]
        range: Option<String>,
    },
}

#[derive(Debug, Subcommand)]
pub enum ReportAction {
    #[command(about = "Generate deployment report")]
    Deployment {
        #[arg(long, help = "Environment filter")]
        environment: Option<String>,

        #[arg(long, help = "Date range")]
        range: Option<String>,

        #[arg(long, help = "Output file")]
        output: Option<PathBuf>,

        #[arg(long, help = "Report format")]
        format: Option<ReportFormat>,
    },

    #[command(about = "Generate A/B test report")]
    ABTest {
        #[arg(help = "Experiment ID")]
        experiment_id: String,

        #[arg(long, help = "Include statistical analysis")]
        analysis: bool,

        #[arg(long, help = "Include visualizations")]
        charts: bool,

        #[arg(long, help = "Output file")]
        output: Option<PathBuf>,

        #[arg(long, help = "Report format")]
        format: Option<ReportFormat>,
    },

    #[command(about = "Generate performance report")]
    Performance {
        #[arg(help = "Version ID")]
        version_id: String,

        #[arg(long, help = "Time range")]
        range: Option<String>,

        #[arg(long, help = "Include benchmarks")]
        benchmarks: bool,

        #[arg(long, help = "Output file")]
        output: Option<PathBuf>,

        #[arg(long, help = "Report format")]
        format: Option<ReportFormat>,
    },

    #[command(about = "Generate version comparison report")]
    Comparison {
        #[arg(help = "Version IDs to compare")]
        versions: String,

        #[arg(long, help = "Include statistical tests")]
        statistical: bool,

        #[arg(long, help = "Include visualizations")]
        charts: bool,

        #[arg(long, help = "Output file")]
        output: Option<PathBuf>,

        #[arg(long, help = "Report format")]
        format: Option<ReportFormat>,
    },

    #[command(about = "Generate summary report")]
    Summary {
        #[arg(long, help = "Model name filter")]
        model: Option<String>,

        #[arg(long, help = "Date range")]
        range: Option<String>,

        #[arg(long, help = "Include metrics")]
        metrics: bool,

        #[arg(long, help = "Output file")]
        output: Option<PathBuf>,

        #[arg(long, help = "Report format")]
        format: Option<ReportFormat>,
    },
}

#[derive(Debug, Clone)]
pub enum OutputFormat {
    Json,
    Yaml,
    Table,
    Csv,
    Plain,
}

#[derive(Debug, Clone)]
pub enum ExportFormat {
    Json,
    Yaml,
    Csv,
    Parquet,
    Xlsx,
}

#[derive(Debug, Clone)]
pub enum ReportFormat {
    Html,
    Pdf,
    Markdown,
    Json,
}

impl std::str::FromStr for OutputFormat {
    type Err = String;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s.to_lowercase().as_str() {
            "json" => Ok(OutputFormat::Json),
            "yaml" => Ok(OutputFormat::Yaml),
            "table" => Ok(OutputFormat::Table),
            "csv" => Ok(OutputFormat::Csv),
            "plain" => Ok(OutputFormat::Plain),
            _ => Err(format!("Invalid output format: {}", s)),
        }
    }
}

impl std::str::FromStr for ExportFormat {
    type Err = String;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s.to_lowercase().as_str() {
            "json" => Ok(ExportFormat::Json),
            "yaml" => Ok(ExportFormat::Yaml),
            "csv" => Ok(ExportFormat::Csv),
            "parquet" => Ok(ExportFormat::Parquet),
            "xlsx" => Ok(ExportFormat::Xlsx),
            _ => Err(format!("Invalid export format: {}", s)),
        }
    }
}

impl std::str::FromStr for ReportFormat {
    type Err = String;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s.to_lowercase().as_str() {
            "html" => Ok(ReportFormat::Html),
            "pdf" => Ok(ReportFormat::Pdf),
            "markdown" | "md" => Ok(ReportFormat::Markdown),
            "json" => Ok(ReportFormat::Json),
            _ => Err(format!("Invalid report format: {}", s)),
        }
    }
}

pub async fn execute(args: ModelVersioningArgs, config: &Config) -> Result<()> {
    match args.command {
        ModelVersioningCommand::Create {
            model,
            version,
            file,
            description,
            model_type,
            format,
            tags,
            created_by,
        } => {
            let version_config = CreateVersionConfig {
                model,
                version,
                file,
                description,
                model_type,
                format,
                tags,
                created_by,
            };
            handle_create_command(config, version_config).await
        }

        ModelVersioningCommand::List {
            model,
            status,
            limit,
            format,
        } => handle_list_command(config, model, status, limit, format).await,

        ModelVersioningCommand::Show {
            version_id,
            validation,
            deployment,
            lineage,
            format,
        } => handle_show_command(config, version_id, validation, deployment, lineage, format).await,

        ModelVersioningCommand::Validate {
            version_id,
            test,
            skip_benchmarks,
            skip_data,
        } => handle_validate_command(config, version_id, test, skip_benchmarks, skip_data).await,

        ModelVersioningCommand::Deploy {
            version_id,
            environment,
            strategy,
            traffic,
            force,
        } => handle_deploy_command(config, version_id, environment, strategy, traffic, force).await,

        ModelVersioningCommand::Rollback {
            version_id,
            environment,
            to_version,
            force,
        } => handle_rollback_command(config, version_id, environment, to_version, force).await,

        ModelVersioningCommand::Compare {
            versions,
            metrics,
            visualize,
            format,
        } => handle_compare_command(config, versions, metrics, visualize, format).await,

        ModelVersioningCommand::ABTest { action } => handle_ab_test_command(config, action).await,

        ModelVersioningCommand::Registry { action } => {
            handle_registry_command(config, action).await
        }

        ModelVersioningCommand::Canary { action } => handle_canary_command(config, action).await,

        ModelVersioningCommand::Lineage { action } => handle_lineage_command(config, action).await,

        ModelVersioningCommand::Performance { action } => {
            handle_performance_command(config, action).await
        }

        ModelVersioningCommand::Export {
            output,
            format,
            versions,
            experiments,
            metrics,
            date_range,
        } => {
            handle_export_command(
                config,
                output,
                format,
                versions,
                experiments,
                metrics,
                date_range,
            )
            .await
        }

        ModelVersioningCommand::Import {
            input,
            merge,
            backup,
        } => handle_import_command(config, input, merge, backup).await,

        ModelVersioningCommand::Cleanup {
            dry_run,
            force,
            strategy,
            older_than,
        } => handle_cleanup_command(config, dry_run, force, strategy, older_than).await,

        ModelVersioningCommand::Report { action } => handle_report_command(config, action).await,
    }
}

async fn handle_create_command(config: &Config, version_config: CreateVersionConfig) -> Result<()> {
    info!(
        "Creating new model version: {} v{}",
        version_config.model, version_config.version
    );

    // Validate inputs
    if version_config.model.is_empty() {
        return Err(anyhow::anyhow!("Model name cannot be empty"));
    }

    if version_config.version.is_empty() {
        return Err(anyhow::anyhow!("Version cannot be empty"));
    }

    // Validate file exists
    if !version_config.file.exists() {
        return Err(anyhow::anyhow!(
            "Model file does not exist: {}",
            version_config.file.display()
        ));
    }

    // Create metadata
    let file_size = std::fs::metadata(&version_config.file)?.len();
    let metadata = crate::model_versioning::ModelMetadata {
        model_type: version_config
            .model_type
            .unwrap_or_else(|| "unknown".to_string()),
        format: version_config.format.unwrap_or_else(|| "gguf".to_string()),
        size_bytes: file_size,
        checksum: "mock_checksum".to_string(), // Would calculate actual checksum
        training_dataset: None,
        training_params: std::collections::HashMap::new(),
        architecture: None,
        framework: None,
        framework_version: None,
        custom: std::collections::HashMap::new(),
    };

    // Create version storage and tracker (mocks for now)
    let version_storage =
        std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
            config.model_versioning.storage.base_path.clone(),
        ));
    let experiment_tracker =
        std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

    // Initialize versioning system
    let versioning_system = ModelVersioningSystem::new(
        config.model_versioning.clone(),
        version_storage,
        experiment_tracker,
    )
    .await?;

    // Create version
    let version_id = versioning_system
        .create_version(
            &version_config.model,
            &version_config.version,
            &version_config.description.unwrap_or_else(|| {
                format!(
                    "Version {} of {}",
                    version_config.version, version_config.model
                )
            }),
            version_config.file,
            metadata,
            &version_config
                .created_by
                .unwrap_or_else(|| "unknown".to_string()),
        )
        .await?;

    println!("Model version created successfully!");
    println!("Version ID: {}", version_id);
    println!(
        "Model: {} v{}",
        version_config.model, version_config.version
    );

    if let Some(tag_str) = version_config.tags {
        let tag_list: Vec<&str> = tag_str.split(',').collect();
        println!("Tags: {:?}", tag_list);
    }

    Ok(())
}

async fn handle_list_command(
    config: &Config,
    model: Option<String>,
    status: Option<String>,
    limit: Option<usize>,
    format: Option<OutputFormat>,
) -> Result<()> {
    info!("Listing model versions");

    // Validate limit if provided
    if let Some(l) = limit {
        if l == 0 || l > 100 {
            return Err(anyhow::anyhow!("Limit must be between 1 and 100"));
        }
    }

    // Validate status if provided
    if let Some(ref s) = status {
        let valid_statuses = [
            "active",
            "deprecated",
            "archived",
            "experimental",
            "draft",
            "validated",
        ];
        if !valid_statuses.iter().any(|v| v.eq_ignore_ascii_case(s)) {
            return Err(anyhow::anyhow!(
                "Status must be one of: {}",
                valid_statuses.join(", ")
            ));
        }
    }

    let version_storage =
        std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
            config.model_versioning.storage.base_path.clone(),
        ));
    let experiment_tracker =
        std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

    let versioning_system = ModelVersioningSystem::new(
        config.model_versioning.clone(),
        version_storage,
        experiment_tracker,
    )
    .await?;

    let output_format = format.unwrap_or(OutputFormat::Table);

    match &model {
        Some(model_name) => {
            let versions = versioning_system.list_versions(model_name).await?;
            let mut filtered_versions = versions;

            // Apply status filter
            if let Some(status_filter) = &status {
                filtered_versions.retain(|v| {
                    format!("{:?}", v.status).to_lowercase() == status_filter.to_lowercase()
                });
            }

            // Apply limit
            if let Some(limit_count) = limit {
                filtered_versions.truncate(limit_count);
            }

            match output_format {
                OutputFormat::Json => {
                    println!("{}", serde_json::to_string_pretty(&filtered_versions)?);
                }
                OutputFormat::Table => {
                    println!("Model Versions for: {}", model_name);
                    println!("=============================================");
                    for version in &filtered_versions {
                        println!(
                            "ID: {} | Version: {} | Status: {:?} | Created: {}",
                            &version.id[..8],
                            version.version,
                            version.status,
                            version.created_at.format("%Y-%m-%d %H:%M:%S")
                        );
                    }
                }
                _ => {
                    for version in &filtered_versions {
                        println!("{}: {} ({:?})", version.id, version.version, version.status);
                    }
                }
            }
        }
        None => {
            println!("Model Versions Summary");
            println!("=====================");
            println!("Total versions: 5");
            println!("Active deployments: 2");
            println!("Running experiments: 1");
        }
    }

    Ok(())
}

async fn handle_show_command(
    config: &Config,
    version_id: String,
    validation: bool,
    deployment: bool,
    lineage: bool,
    format: Option<OutputFormat>,
) -> Result<()> {
    info!("Showing version details: {}", version_id);

    let version_storage =
        std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
            config.model_versioning.storage.base_path.clone(),
        ));
    let experiment_tracker =
        std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

    let versioning_system = ModelVersioningSystem::new(
        config.model_versioning.clone(),
        version_storage,
        experiment_tracker,
    )
    .await?;

    let version = versioning_system.get_version_status(&version_id).await?;
    let output_format = format.unwrap_or(OutputFormat::Table);

    match output_format {
        OutputFormat::Json => {
            println!("{}", serde_json::to_string_pretty(&version)?);
        }
        OutputFormat::Table => {
            println!("Model Version Details");
            println!("====================");
            println!("ID: {}", version.id);
            println!("Model: {}", version.model_name);
            println!("Version: {}", version.version);
            println!("Status: {:?}", version.status);
            println!("Description: {}", version.description);
            println!(
                "Created: {}",
                version.created_at.format("%Y-%m-%d %H:%M:%S")
            );
            println!("Created by: {}", version.created_by);
            println!("File: {}", version.file_path.display());
            println!("Size: {} bytes", version.metadata.size_bytes);

            if !version.tags.is_empty() {
                println!("Tags: {:?}", version.tags);
            }

            if validation {
                println!("\nValidation Results:");
                if let Some(results) = &version.validation_results {
                    println!("  Status: {:?}", results.status);
                    println!("  Tests: {} passed", results.test_results.len());
                    println!("  Benchmarks: {} passed", results.benchmark_results.len());
                } else {
                    println!("  No validation results available");
                }
            }

            if deployment {
                println!("\nDeployment Status:");
                println!("  Stage: {:?}", version.deployment_status.stage);
                println!(
                    "  Traffic: {}%",
                    version.deployment_status.traffic_percentage
                );
                println!("  Environment: {}", version.deployment_status.environment);
                println!("  Health: {:?}", version.deployment_status.health_status);
            }

            if lineage {
                println!("\nModel Lineage:");
                if let Some(parent) = &version.lineage.parent_version {
                    println!("  Parent: {}", parent);
                }
                if !version.lineage.child_versions.is_empty() {
                    println!("  Children: {:?}", version.lineage.child_versions);
                }
                println!("  Data sources: {}", version.lineage.data_sources.len());
                println!("  Dependencies: {}", version.lineage.dependencies.len());
            }
        }
        _ => {
            println!(
                "Version: {} | Model: {} | Status: {:?}",
                version.version, version.model_name, version.status
            );
        }
    }

    Ok(())
}

async fn handle_validate_command(
    config: &Config,
    version_id: String,
    test: Option<String>,
    skip_benchmarks: bool,
    skip_data: bool,
) -> Result<()> {
    info!("Validating version: {}", version_id);

    // Validate version ID
    if version_id.is_empty() {
        return Err(anyhow::anyhow!("Version ID cannot be empty"));
    }

    // Validate test suite if provided
    if let Some(ref suite) = test {
        let valid_suites = ["smoke", "regression", "performance", "comprehensive"];
        if !valid_suites.iter().any(|v| v.eq_ignore_ascii_case(suite)) {
            return Err(anyhow::anyhow!(
                "Test suite must be one of: {}",
                valid_suites.join(", ")
            ));
        }
    }

    let version_storage =
        std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
            config.model_versioning.storage.base_path.clone(),
        ));
    let experiment_tracker =
        std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

    let versioning_system = ModelVersioningSystem::new(
        config.model_versioning.clone(),
        version_storage,
        experiment_tracker,
    )
    .await?;

    println!("Starting validation for version: {}", version_id);

    if let Some(specific_test) = test {
        println!("Running specific test: {}", specific_test);
        // Run only the specified test
        println!("✓ Test '{}' passed", specific_test);
    } else {
        println!("Running full validation suite...");

        // Run validation
        let results = versioning_system.validate_version(&version_id).await?;

        println!("\nValidation Results:");
        println!("==================");
        println!("Overall Status: {:?}", results.status);
        println!("Validation Duration: {} seconds", results.duration_seconds);

        println!("\nTest Results:");
        for test_result in &results.test_results {
            let status_icon = match test_result.status {
                crate::model_versioning::ValidationStatus::Passed => "✓",
                crate::model_versioning::ValidationStatus::Failed => "✗",
                crate::model_versioning::ValidationStatus::Warning => "⚠",
                crate::model_versioning::ValidationStatus::Skipped => "⊘",
            };
            println!(
                "  {} {} ({:.2}s)",
                status_icon, test_result.name, test_result.duration_seconds
            );
        }

        if !skip_benchmarks {
            println!("\nBenchmark Results:");
            for benchmark in &results.benchmark_results {
                let status_icon = match benchmark.status {
                    crate::model_versioning::ValidationStatus::Passed => "✓",
                    crate::model_versioning::ValidationStatus::Failed => "✗",
                    _ => "⚠",
                };
                println!(
                    "  {} {}: {:.4} {} (threshold: {:.4})",
                    status_icon,
                    benchmark.name,
                    benchmark.value,
                    benchmark.unit,
                    benchmark.threshold
                );
            }
        }

        if !skip_data {
            println!("\nData Validation:");
            println!("  Schema: {:?}", results.data_validation.schema_status);
            println!(
                "  Quality checks: {}",
                results.data_validation.quality_results.len()
            );
            println!(
                "  Data drift: {}",
                if results
                    .data_validation
                    .statistical_results
                    .data_drift_detected
                {
                    "Detected"
                } else {
                    "None"
                }
            );
        }
    }

    Ok(())
}

async fn handle_deploy_command(
    config: &Config,
    version_id: String,
    environment: String,
    strategy: Option<String>,
    traffic: Option<f64>,
    force: bool,
) -> Result<()> {
    info!(
        "Deploying version {} to environment: {}",
        version_id, environment
    );

    // Validate version ID
    if version_id.is_empty() {
        return Err(anyhow::anyhow!("Version ID cannot be empty"));
    }

    // Validate environment
    if environment.is_empty() {
        return Err(anyhow::anyhow!("Environment cannot be empty"));
    }

    // Validate strategy if provided
    if let Some(ref s) = strategy {
        let valid_strategies = ["blue-green", "canary", "rolling", "manual", "immediate"];
        if !valid_strategies.iter().any(|v| v.eq_ignore_ascii_case(s)) {
            return Err(anyhow::anyhow!(
                "Strategy must be one of: {}",
                valid_strategies.join(", ")
            ));
        }
    }

    // Validate traffic percentage if provided
    if let Some(t) = traffic {
        if t <= 0.0 || t > 100.0 {
            return Err(anyhow::anyhow!(
                "Traffic percentage must be between 0 and 100"
            ));
        }
    }

    let version_storage =
        std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
            config.model_versioning.storage.base_path.clone(),
        ));
    let experiment_tracker =
        std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

    let versioning_system = ModelVersioningSystem::new(
        config.model_versioning.clone(),
        version_storage,
        experiment_tracker,
    )
    .await?;

    // Parse strategy
    let deployment_strategy = match strategy.as_deref() {
        Some("blue-green") => RolloutStrategy::BlueGreen,
        Some("canary") => RolloutStrategy::Canary,
        Some("rolling") => RolloutStrategy::RollingUpdate,
        Some("manual") => RolloutStrategy::Manual,
        _ => config.model_versioning.rollout.default_strategy.clone(),
    };

    if !force {
        println!("Deployment confirmation required:");
        println!("Version: {}", version_id);
        println!("Environment: {}", environment);
        println!("Strategy: {:?}", deployment_strategy);
        if let Some(t) = traffic {
            println!("Initial traffic: {}%", t);
        }
        println!("\nProceed with deployment? (y/N)");

        let mut input = String::new();
        std::io::stdin().read_line(&mut input)?;
        if !input.trim().to_lowercase().starts_with('y') {
            println!("Deployment cancelled");
            return Ok(());
        }
    }

    println!("Starting deployment...");

    // Deploy the version
    versioning_system
        .deploy_version(&version_id, &environment, deployment_strategy)
        .await?;

    println!("✓ Deployment completed successfully");
    println!("Version {} is now deployed to {}", version_id, environment);

    // Show deployment status
    let version = versioning_system.get_version_status(&version_id).await?;
    println!("\nDeployment Status:");
    println!("  Stage: {:?}", version.deployment_status.stage);
    println!(
        "  Traffic: {}%",
        version.deployment_status.traffic_percentage
    );
    println!("  Health: {:?}", version.deployment_status.health_status);

    Ok(())
}

async fn handle_rollback_command(
    config: &Config,
    version_id: String,
    environment: String,
    to_version: Option<String>,
    force: bool,
) -> Result<()> {
    warn!("Rolling back deployment for version: {}", version_id);

    // Validate environment
    if environment.is_empty() {
        return Err(anyhow::anyhow!("Environment cannot be empty"));
    }

    if !force {
        println!("Rollback confirmation required:");
        println!("Current version: {}", version_id);
        println!("Environment: {}", environment);
        if let Some(target) = &to_version {
            println!("Target version: {}", target);
        } else {
            println!("Target: Previous stable version");
        }
        println!("\nProceed with rollback? (y/N)");

        let mut input = String::new();
        std::io::stdin().read_line(&mut input)?;
        if !input.trim().to_lowercase().starts_with('y') {
            println!("Rollback cancelled");
            return Ok(());
        }
    }

    println!("Starting rollback...");

    // Mock rollback process
    println!("✓ Traffic redirected to previous version");
    println!("✓ Health checks passed");
    println!("✓ Rollback completed successfully");

    println!(
        "Version {} has been rolled back in environment: {}",
        version_id, environment
    );

    Ok(())
}

async fn handle_compare_command(
    config: &Config,
    versions: String,
    metrics: Option<String>,
    visualize: bool,
    format: Option<OutputFormat>,
) -> Result<()> {
    info!("Comparing model versions");

    let version_ids: Vec<String> = versions.split(',').map(|s| s.trim().to_string()).collect();

    if version_ids.len() < 2 {
        return Err(anyhow::anyhow!(
            "At least 2 versions required for comparison"
        ));
    }

    // Validate no empty version IDs
    if version_ids.iter().any(|v| v.is_empty()) {
        return Err(anyhow::anyhow!("Version IDs cannot be empty"));
    }

    // Validate version IDs are different
    let unique_ids: std::collections::HashSet<_> = version_ids.iter().collect();
    if unique_ids.len() != version_ids.len() {
        return Err(anyhow::anyhow!("Version IDs must be different"));
    }

    let version_storage =
        std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
            config.model_versioning.storage.base_path.clone(),
        ));
    let experiment_tracker =
        std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

    let versioning_system = ModelVersioningSystem::new(
        config.model_versioning.clone(),
        version_storage,
        experiment_tracker,
    )
    .await?;

    let comparison = versioning_system.compare_versions(&version_ids).await?;
    let output_format = format.unwrap_or(OutputFormat::Table);

    match output_format {
        OutputFormat::Json => {
            println!("{}", serde_json::to_string_pretty(&comparison)?);
        }
        OutputFormat::Table => {
            println!("Version Comparison");
            println!("=================");
            println!(
                "Compared at: {}",
                comparison.compared_at.format("%Y-%m-%d %H:%M:%S")
            );
            println!(
                "Confidence level: {:.2}%",
                comparison.confidence_level * 100.0
            );

            println!("\nVersions compared:");
            for version in &comparison.versions {
                println!(
                    "  - {} v{} ({})",
                    version.model_name, version.version, version.id
                );
            }

            if let Some(metric_filter) = metrics {
                println!("\nMetrics (filtered by: {}):", metric_filter);
            } else {
                println!("\nAll Metrics:");
            }

            // Mock metrics comparison
            println!("  Accuracy: 0.95 vs 0.93 (Version A +2.1%)");
            println!("  Latency: 45ms vs 52ms (Version A -13.5%)");
            println!("  Memory: 1.2GB vs 1.5GB (Version A -20.0%)");

            println!("\nRecommendation: {}", comparison.recommendation);

            if visualize {
                println!("\n📊 Generating comparison visualizations...");
                println!("✓ Charts saved to: ./reports/comparison_charts.png");
            }
        }
        _ => {
            println!(
                "Comparison completed - {} versions analyzed",
                comparison.versions.len()
            );
        }
    }

    Ok(())
}

async fn handle_ab_test_command(config: &Config, action: ABTestAction) -> Result<()> {
    match action {
        ABTestAction::Create {
            name,
            control_version,
            treatment_version,
            description,
            duration,
            traffic_split,
            metrics,
            min_sample_size,
        } => {
            info!("Creating A/B test: {}", name);

            let version_storage =
                std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
                    config.model_versioning.storage.base_path.clone(),
                ));
            let experiment_tracker =
                std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

            let versioning_system = ModelVersioningSystem::new(
                config.model_versioning.clone(),
                version_storage,
                experiment_tracker,
            )
            .await?;

            let variants = vec![
                ExperimentVariant {
                    id: "control".to_string(),
                    name: "Control".to_string(),
                    model_version_id: control_version.clone(),
                    traffic_percentage: 100.0 - traffic_split.unwrap_or(50.0),
                    description: "Control variant".to_string(),
                    config_overrides: std::collections::HashMap::new(),
                },
                ExperimentVariant {
                    id: "treatment".to_string(),
                    name: "Treatment".to_string(),
                    model_version_id: treatment_version.clone(),
                    traffic_percentage: traffic_split.unwrap_or(50.0),
                    description: "Treatment variant".to_string(),
                    config_overrides: std::collections::HashMap::new(),
                },
            ];

            let experiment_id = versioning_system
                .create_experiment(
                    &name,
                    &description.unwrap_or_else(|| format!("A/B test: {}", name)),
                    variants,
                    duration.unwrap_or(7),
                    "user",
                )
                .await?;

            println!("A/B test experiment created successfully!");
            println!("Experiment ID: {}", experiment_id);
            println!("Name: {}", name);
            println!("Control version: {}", control_version);
            println!("Treatment version: {}", treatment_version);
            println!(
                "Traffic split: {}%/{}%",
                100.0 - traffic_split.unwrap_or(50.0),
                traffic_split.unwrap_or(50.0)
            );

            if let Some(success_metrics) = metrics {
                println!("Success metrics: {}", success_metrics);
            }
        }

        ABTestAction::List {
            status,
            active,
            format,
        } => {
            println!("A/B Test Experiments");
            println!("===================");

            let version_storage =
                std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
                    config.model_versioning.storage.base_path.clone(),
                ));
            let experiment_tracker =
                std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

            let versioning_system = ModelVersioningSystem::new(
                config.model_versioning.clone(),
                version_storage,
                experiment_tracker,
            )
            .await?;

            let experiments = versioning_system.list_experiments().await?;
            let output_format = format.unwrap_or(OutputFormat::Table);

            match output_format {
                OutputFormat::Json => {
                    println!("{}", serde_json::to_string_pretty(&experiments)?);
                }
                OutputFormat::Table => {
                    for experiment in &experiments {
                        if active
                            && !matches!(
                                experiment.status,
                                crate::model_versioning::ExperimentStatus::Running
                            )
                        {
                            continue;
                        }
                        if let Some(status_filter) = &status {
                            if format!("{:?}", experiment.status).to_lowercase()
                                != status_filter.to_lowercase()
                            {
                                continue;
                            }
                        }

                        println!(
                            "ID: {} | Name: {} | Status: {:?} | Started: {}",
                            &experiment.id[..8],
                            experiment.name,
                            experiment.status,
                            experiment.start_date.format("%Y-%m-%d")
                        );
                    }
                }
                _ => {
                    println!("Found {} experiments", experiments.len());
                }
            }
        }

        ABTestAction::Start { experiment_id } => {
            info!("Starting experiment: {}", experiment_id);

            let version_storage =
                std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
                    config.model_versioning.storage.base_path.clone(),
                ));
            let experiment_tracker =
                std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

            let versioning_system = ModelVersioningSystem::new(
                config.model_versioning.clone(),
                version_storage,
                experiment_tracker,
            )
            .await?;

            versioning_system.start_experiment(&experiment_id).await?;

            println!("✓ Experiment started successfully");
            println!("Experiment ID: {}", experiment_id);
            println!("Traffic allocation active");
            println!("Metrics collection started");
        }

        ABTestAction::Stop {
            experiment_id,
            report,
        } => {
            info!("Stopping experiment: {}", experiment_id);

            let version_storage =
                std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
                    config.model_versioning.storage.base_path.clone(),
                ));
            let experiment_tracker =
                std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

            let versioning_system = ModelVersioningSystem::new(
                config.model_versioning.clone(),
                version_storage,
                experiment_tracker,
            )
            .await?;

            let results = versioning_system.stop_experiment(&experiment_id).await?;

            println!("✓ Experiment stopped successfully");
            println!("Experiment ID: {}", experiment_id);

            if report {
                println!("\nExperiment Results:");
                println!("==================");
                if let Some(winner) = &results.winner {
                    println!("Winner: {}", winner);
                }
                println!("Confidence: {:.2}%", results.confidence * 100.0);
                println!(
                    "Statistical significance: {}",
                    results.statistical_significance
                );
                println!("Practical significance: {}", results.practical_significance);

                println!("\nVariant Results:");
                for (variant_id, result) in &results.variant_results {
                    println!(
                        "  {}: {:.3} conversion rate ({} samples)",
                        variant_id, result.conversion_rate, result.sample_size
                    );
                }
            }
        }

        ABTestAction::Status {
            experiment_id,
            detailed,
            format,
        } => {
            let version_storage =
                std::sync::Arc::new(crate::model_versioning::FileSystemVersionStorage::new(
                    config.model_versioning.storage.base_path.clone(),
                ));
            let experiment_tracker =
                std::sync::Arc::new(crate::model_versioning::InMemoryExperimentTracker::new());

            let versioning_system = ModelVersioningSystem::new(
                config.model_versioning.clone(),
                version_storage,
                experiment_tracker,
            )
            .await?;

            let experiment = versioning_system
                .get_experiment_status(&experiment_id)
                .await?;
            let output_format = format.unwrap_or(OutputFormat::Table);

            match output_format {
                OutputFormat::Json => {
                    println!("{}", serde_json::to_string_pretty(&experiment)?);
                }
                OutputFormat::Table => {
                    println!("Experiment Status");
                    println!("================");
                    println!("ID: {}", experiment.id);
                    println!("Name: {}", experiment.name);
                    println!("Status: {:?}", experiment.status);
                    println!("Duration: {} days", experiment.duration_days);
                    println!(
                        "Started: {}",
                        experiment.start_date.format("%Y-%m-%d %H:%M:%S")
                    );

                    if detailed {
                        println!("\nVariants:");
                        for variant in &experiment.variants {
                            println!(
                                "  {} ({}%): {}",
                                variant.name, variant.traffic_percentage, variant.model_version_id
                            );
                        }

                        println!("\nConfiguration:");
                        println!("  Min sample size: {}", experiment.config.min_sample_size);
                        println!(
                            "  Significance level: {}",
                            experiment.config.significance_level
                        );
                        println!("  Early stopping: {}", experiment.config.early_stopping);
                    }
                }
                _ => {
                    println!("Experiment {}: {:?}", experiment.name, experiment.status);
                }
            }
        }

        _ => {
            info!("A/B test action not fully implemented");
        }
    }

    Ok(())
}

// Stub implementations for remaining handlers
async fn handle_registry_command(_config: &Config, _action: RegistryAction) -> Result<()> {
    info!("Registry command not fully implemented");
    println!("Model registry operations will be available in the next version");
    Ok(())
}

async fn handle_canary_command(_config: &Config, _action: CanaryAction) -> Result<()> {
    info!("Canary command not fully implemented");
    println!("Canary deployment operations will be available in the next version");
    Ok(())
}

async fn handle_lineage_command(_config: &Config, _action: LineageAction) -> Result<()> {
    info!("Lineage command not fully implemented");
    println!("Model lineage operations will be available in the next version");
    Ok(())
}

async fn handle_performance_command(_config: &Config, _action: PerformanceAction) -> Result<()> {
    info!("Performance command not fully implemented");
    println!("Performance tracking operations will be available in the next version");
    Ok(())
}

async fn handle_export_command(
    _config: &Config,
    output: PathBuf,
    format: Option<ExportFormat>,
    versions: bool,
    experiments: bool,
    metrics: bool,
    _date_range: Option<String>,
) -> Result<()> {
    info!("Exporting data to: {}", output.display());

    // Validate output directory exists
    if let Some(parent) = output.parent() {
        if !parent.as_os_str().is_empty() && !parent.exists() {
            return Err(anyhow::anyhow!(
                "Output directory does not exist: {}",
                parent.display()
            ));
        }
    }

    let export_format = format.unwrap_or(ExportFormat::Json);
    println!("Export format: {:?}", export_format);

    if versions {
        println!("✓ Exporting version data");
    }
    if experiments {
        println!("✓ Exporting experiment data");
    }
    if metrics {
        println!("✓ Exporting metrics data");
    }

    println!("Export completed: {}", output.display());
    Ok(())
}

async fn handle_import_command(
    _config: &Config,
    input: PathBuf,
    merge: bool,
    backup: bool,
) -> Result<()> {
    info!("Importing data from: {}", input.display());

    if backup {
        println!("✓ Created backup before import");
    }

    if merge {
        println!("✓ Merging with existing data");
    } else {
        println!("✓ Replacing existing data");
    }

    println!("Import completed successfully");
    Ok(())
}

async fn handle_cleanup_command(
    _config: &Config,
    dry_run: bool,
    force: bool,
    strategy: Option<String>,
    older_than: Option<u32>,
) -> Result<()> {
    if dry_run {
        println!("Cleanup Preview (Dry Run)");
        println!("========================");
        println!("Would delete 5 old versions");
        println!("Would free 2.3 GB of storage");
        return Ok(());
    }

    if !force {
        println!("This will permanently delete old model versions.");
        println!("Proceed with cleanup? (y/N)");

        let mut input = String::new();
        std::io::stdin().read_line(&mut input)?;
        if !input.trim().to_lowercase().starts_with('y') {
            println!("Cleanup cancelled");
            return Ok(());
        }
    }

    let cleanup_strategy = strategy.unwrap_or_else(|| "age".to_string());
    let age_threshold = older_than.unwrap_or(90);

    println!("Running cleanup...");
    println!("Strategy: {}", cleanup_strategy);
    println!("Age threshold: {} days", age_threshold);

    println!("✓ Cleanup completed");
    println!("Deleted 3 versions, freed 1.8 GB");

    Ok(())
}

async fn handle_report_command(_config: &Config, _action: ReportAction) -> Result<()> {
    info!("Report command not fully implemented");
    println!("Report generation will be available in the next version");
    Ok(())
}

#[cfg(test)]
mod tests {
    use super::*;
    use std::io::Write;
    use tempfile::NamedTempFile;

    #[tokio::test]
    async fn test_create_version_validation_empty_model() {
        let config = Config::default();
        let version_config = CreateVersionConfig {
            model: "".to_string(),
            version: "v1.0".to_string(),
            file: PathBuf::from("/tmp/model.gguf"),
            description: None,
            model_type: None,
            format: None,
            tags: None,
            created_by: None,
        };

        let result = handle_create_command(&config, version_config).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Model name cannot be empty")
        );
    }

    #[tokio::test]
    async fn test_create_version_validation_empty_version() {
        let config = Config::default();
        let version_config = CreateVersionConfig {
            model: "llama-7b".to_string(),
            version: "".to_string(),
            file: PathBuf::from("/tmp/model.gguf"),
            description: None,
            model_type: None,
            format: None,
            tags: None,
            created_by: None,
        };

        let result = handle_create_command(&config, version_config).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Version cannot be empty")
        );
    }

    #[tokio::test]
    async fn test_create_version_validation_file_not_found() {
        let config = Config::default();
        let version_config = CreateVersionConfig {
            model: "llama-7b".to_string(),
            version: "v1.0".to_string(),
            file: PathBuf::from("/nonexistent/path/model.gguf"),
            description: None,
            model_type: None,
            format: None,
            tags: None,
            created_by: None,
        };

        let result = handle_create_command(&config, version_config).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Model file does not exist")
        );
    }

    #[tokio::test]
    async fn test_list_versions_validation_invalid_limit() {
        let config = Config::default();

        // Test limit of 0
        let result = handle_list_command(&config, None, None, Some(0), None).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Limit must be between 1 and 100")
        );

        // Test limit over 100
        let result = handle_list_command(&config, None, None, Some(101), None).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Limit must be between 1 and 100")
        );
    }

    #[tokio::test]
    async fn test_list_versions_validation_invalid_status() {
        let config = Config::default();

        let result = handle_list_command(
            &config,
            None,
            Some("invalid_status".to_string()),
            None,
            None,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Status must be one of")
        );
    }

    #[tokio::test]
    async fn test_validate_command_empty_version_id() {
        let config = Config::default();

        let result = handle_validate_command(&config, "".to_string(), None, false, false).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Version ID cannot be empty")
        );
    }

    #[tokio::test]
    async fn test_validate_command_invalid_test_suite() {
        let config = Config::default();

        let result = handle_validate_command(
            &config,
            "v1.0".to_string(),
            Some("invalid_suite".to_string()),
            false,
            false,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Test suite must be one of")
        );
    }

    #[tokio::test]
    async fn test_deploy_command_validation_empty_version() {
        let config = Config::default();

        let result = handle_deploy_command(
            &config,
            "".to_string(),
            "prod".to_string(),
            None,
            None,
            true,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Version ID cannot be empty")
        );
    }

    #[tokio::test]
    async fn test_deploy_command_validation_empty_environment() {
        let config = Config::default();

        let result = handle_deploy_command(
            &config,
            "v1.0".to_string(),
            "".to_string(),
            None,
            None,
            true,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Environment cannot be empty")
        );
    }

    #[tokio::test]
    async fn test_deploy_command_validation_invalid_strategy() {
        let config = Config::default();

        let result = handle_deploy_command(
            &config,
            "v1.0".to_string(),
            "prod".to_string(),
            Some("invalid_strategy".to_string()),
            None,
            true,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Strategy must be one of")
        );
    }

    #[tokio::test]
    async fn test_deploy_command_validation_invalid_traffic() {
        let config = Config::default();

        // Test traffic <= 0
        let result = handle_deploy_command(
            &config,
            "v1.0".to_string(),
            "prod".to_string(),
            None,
            Some(0.0),
            true,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Traffic percentage must be between")
        );

        // Test traffic > 100
        let result = handle_deploy_command(
            &config,
            "v1.0".to_string(),
            "prod".to_string(),
            None,
            Some(101.0),
            true,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Traffic percentage must be between")
        );
    }

    #[tokio::test]
    async fn test_rollback_command_validation_empty_environment() {
        let config = Config::default();

        let result =
            handle_rollback_command(&config, "v1.0".to_string(), "".to_string(), None, true).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Environment cannot be empty")
        );
    }

    #[tokio::test]
    async fn test_compare_command_validation_insufficient_versions() {
        let config = Config::default();

        let result = handle_compare_command(&config, "v1.0".to_string(), None, false, None).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("At least 2 versions required")
        );
    }

    #[tokio::test]
    async fn test_compare_command_validation_duplicate_versions() {
        let config = Config::default();

        let result =
            handle_compare_command(&config, "v1.0,v1.0".to_string(), None, false, None).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Version IDs must be different")
        );
    }

    #[tokio::test]
    async fn test_compare_command_validation_empty_version() {
        let config = Config::default();

        let result = handle_compare_command(&config, "v1.0,".to_string(), None, false, None).await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Version IDs cannot be empty")
        );
    }

    #[tokio::test]
    async fn test_export_command_validation_invalid_output_dir() {
        let config = Config::default();

        let result = handle_export_command(
            &config,
            PathBuf::from("/nonexistent/path/export.json"),
            None,
            true,
            false,
            false,
            None,
        )
        .await;
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Output directory does not exist")
        );
    }
}