oxo-flow-cli 0.5.3

//! Logic for output-related subcommands: graph, report, diff, export.

use crate::commands::{print_banner, resolve_workflow};
use anyhow::{Context, Result};
use colored::Colorize;
use oxo_flow_core::config::WorkflowConfig;
use oxo_flow_core::dag::WorkflowDag;
use std::path::PathBuf;

pub fn handle_graph(workflow: PathBuf, format: String, output: Option<PathBuf>) -> Result<()> {
    print_banner();
    let workflow = resolve_workflow(Some(workflow))?;
    let config = WorkflowConfig::from_file(&workflow)
        .with_context(|| format!("failed to parse {}", workflow.display()))?;

    let dag = WorkflowDag::from_rules(&config.rules).context("failed to build workflow DAG")?;

    let result = match format.as_str() {
        "ascii" => dag.to_ascii().map_err(|e| anyhow::anyhow!(e)),
        "dot" => Ok(dag.to_dot()),
        "dot-clustered" => dag.to_dot_clustered().map_err(|e| anyhow::anyhow!(e)),
        "tree" => dag.to_ascii_tree().map_err(|e| anyhow::anyhow!(e)),
        _ => Err(anyhow::anyhow!("unsupported graph format: {}", format)),
    }?;

    if let Some(path) = output {
        std::fs::write(&path, result)?;
        eprintln!("{} Graph saved to {}", "✓".green(), path.display());
    } else {
        println!("{}", result);
    }

    Ok(())
}

pub fn handle_report(workflow: PathBuf, format: String, output: Option<PathBuf>) -> Result<()> {
    print_banner();
    let workflow = resolve_workflow(Some(workflow))?;
    let config = WorkflowConfig::from_file(&workflow)
        .with_context(|| format!("failed to parse {}", workflow.display()))?;

    let mut report = oxo_flow_core::report::Report::new(
        &format!("{} Report", config.workflow.name),
        &config.workflow.name,
        &config.workflow.version,
    );

    report.add_section(oxo_flow_core::report::ReportSection {
        title: "Workflow Information".to_string(),
        id: "workflow-info".to_string(),
        content: oxo_flow_core::report::ReportContent::KeyValue {
            pairs: vec![
                ("Name".to_string(), config.workflow.name.clone()),
                ("Version".to_string(), config.workflow.version.clone()),
                ("Rules".to_string(), config.rules.len().to_string()),
            ],
        },
        subsections: vec![],
    });

    let content = match format.as_str() {
        "json" => report.to_json().map_err(|e| anyhow::anyhow!(e))?,
        _ => report.to_html(),
    };

    match output {
        Some(path) => {
            std::fs::write(&path, &content)?;
            eprintln!("Report written to {}", path.display());
        }
        None => {
            println!("{content}");
        }
    }

    Ok(())
}

pub fn handle_diff(workflow_a: PathBuf, workflow_b: PathBuf) -> Result<()> {
    print_banner();
    let config_a = WorkflowConfig::from_file(&workflow_a)
        .with_context(|| format!("failed to parse {}", workflow_a.display()))?;
    let config_b = WorkflowConfig::from_file(&workflow_b)
        .with_context(|| format!("failed to parse {}", workflow_b.display()))?;

    let diffs = oxo_flow_core::format::diff_workflows(&config_a, &config_b);

    if diffs.is_empty() {
        eprintln!("{} Workflows are identical", "✓".green().bold());
    } else {
        eprintln!(
            "{} {} difference(s) between {} and {}:",
            "Diff:".bold().yellow(),
            diffs.len(),
            workflow_a.display(),
            workflow_b.display()
        );
        for diff in &diffs {
            eprintln!("  {} [{}] {}", "•".cyan(), diff.category, diff.description);
        }
    }
    Ok(())
}

pub fn handle_export(workflow: PathBuf, format: String, output: Option<PathBuf>) -> Result<()> {
    print_banner();
    let workflow = resolve_workflow(Some(workflow))?;
    let config = WorkflowConfig::from_file(&workflow)
        .with_context(|| format!("failed to parse {}", workflow.display()))?;

    let content = match format.as_str() {
        "singularity" => {
            let pkg = oxo_flow_core::container::PackageConfig {
                format: oxo_flow_core::container::ContainerFormat::Singularity,
                ..Default::default()
            };
            oxo_flow_core::container::generate_singularity_def(&config, &pkg)
                .map_err(|e| anyhow::anyhow!(e))?
        }
        "toml" => oxo_flow_core::format::format_workflow(&config),
        _ => {
            let pkg = oxo_flow_core::container::PackageConfig::default();
            oxo_flow_core::container::generate_dockerfile(&config, &pkg)
                .map_err(|e| anyhow::anyhow!(e))?
        }
    };

    match output {
        Some(path) => {
            std::fs::write(&path, &content)?;
            eprintln!(
                "{} Exported {} to {}",
                "✓".green().bold(),
                format,
                path.display()
            );
        }
        None => {
            println!("{content}");
        }
    }

    Ok(())
}