inferno-ai 0.10.3

//! A/B Testing Command
//!
//! This module provides A/B testing functionality for model comparison.
//! Currently implements basic command structure with placeholder functionality.
//!
//! Note: Full A/B testing implementation is planned for future releases.

use crate::config::Config;
use anyhow::Result;
use clap::{Args, Subcommand};
use tracing::info;

#[derive(Args)]
pub struct ABTestingArgs {
    #[command(subcommand)]
    pub command: ABTestingCommand,
}

#[derive(Subcommand)]
pub enum ABTestingCommand {
    #[command(about = "Start a new A/B test")]
    Start {
        #[arg(long, help = "Test name")]
        name: String,
        #[arg(long, help = "Control model name")]
        control_model: String,
        #[arg(long, help = "Treatment model name")]
        treatment_model: String,
    },
    #[command(about = "Stop an active A/B test")]
    Stop {
        #[arg(help = "Test name")]
        test_name: String,
    },
    #[command(about = "List all A/B tests")]
    List,
    #[command(about = "Show A/B test status")]
    Status {
        #[arg(help = "Test name")]
        test_name: String,
    },
}

/// Validate the Start command arguments
fn validate_start(name: &str, control_model: &str, treatment_model: &str) -> Result<()> {
    if name.is_empty() {
        anyhow::bail!("Test name cannot be empty");
    }

    if control_model.is_empty() {
        anyhow::bail!("Control model name cannot be empty");
    }

    if treatment_model.is_empty() {
        anyhow::bail!("Treatment model name cannot be empty");
    }

    if control_model == treatment_model {
        anyhow::bail!("Control and treatment models must be different");
    }

    Ok(())
}

/// Validate the Stop command arguments
fn validate_stop(test_name: &str) -> Result<()> {
    if test_name.is_empty() {
        anyhow::bail!("Test name cannot be empty");
    }

    Ok(())
}

/// Validate the Status command arguments
fn validate_status(test_name: &str) -> Result<()> {
    if test_name.is_empty() {
        anyhow::bail!("Test name cannot be empty");
    }

    Ok(())
}

pub async fn execute(args: ABTestingArgs, _config: &Config) -> Result<()> {
    match args.command {
        ABTestingCommand::Start {
            name,
            control_model,
            treatment_model,
        } => {
            validate_start(&name, &control_model, &treatment_model)?;

            info!("Starting A/B test: {}", name);

            println!("A/B Test Configuration");
            println!("  Name: {}", name);
            println!("  Control Model: {}", control_model);
            println!("  Treatment Model: {}", treatment_model);
            println!();
            println!("A/B testing functionality is not yet fully implemented");
            println!("This command will be available in a future release");
        }
        ABTestingCommand::Stop { test_name } => {
            validate_stop(&test_name)?;

            info!("Stopping A/B test: {}", test_name);

            println!("Stopping A/B Test");
            println!("  Name: {}", test_name);
            println!();
            println!("A/B testing functionality is not yet fully implemented");
        }
        ABTestingCommand::List => {
            info!("Listing A/B tests");

            println!("A/B Tests");
            println!();
            println!("No active A/B tests");
            println!();
            println!("A/B testing functionality is not yet fully implemented");
        }
        ABTestingCommand::Status { test_name } => {
            validate_status(&test_name)?;

            info!("Showing status for A/B test: {}", test_name);

            println!("A/B Test Status");
            println!("  Name: {}", test_name);
            println!("  Status: Not found");
            println!();
            println!("A/B testing functionality is not yet fully implemented");
        }
    }

    Ok(())
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_validate_start_empty_name() {
        let result = validate_start("", "model1", "model2");
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Test name cannot be empty")
        );
    }

    #[test]
    fn test_validate_start_empty_control_model() {
        let result = validate_start("test1", "", "model2");
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Control model name cannot be empty")
        );
    }

    #[test]
    fn test_validate_start_empty_treatment_model() {
        let result = validate_start("test1", "model1", "");
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Treatment model name cannot be empty")
        );
    }

    #[test]
    fn test_validate_start_same_models() {
        let result = validate_start("test1", "model1", "model1");
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Control and treatment models must be different")
        );
    }

    #[test]
    fn test_validate_start_valid() {
        let result = validate_start("test1", "model1", "model2");
        assert!(result.is_ok());
    }

    #[test]
    fn test_validate_stop_empty_name() {
        let result = validate_stop("");
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Test name cannot be empty")
        );
    }

    #[test]
    fn test_validate_stop_valid() {
        let result = validate_stop("test1");
        assert!(result.is_ok());
    }

    #[test]
    fn test_validate_status_empty_name() {
        let result = validate_status("");
        assert!(result.is_err());
        assert!(
            result
                .unwrap_err()
                .to_string()
                .contains("Test name cannot be empty")
        );
    }

    #[test]
    fn test_validate_status_valid() {
        let result = validate_status("test1");
        assert!(result.is_ok());
    }
}