use std::env;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    env_logger::init();
    
    let args: Vec<String> = env::args().collect();
    
    if args.len() < 2 {
        eprintln!("Usage: {} <command>", args[0]);
        eprintln!("Commands:");
        eprintln!("  benchmark - Run performance benchmarks");
        eprintln!("  regression - Run regression tests");
        eprintln!("  report - Generate performance report");
        return Ok(());
    }
    
    match args[1].as_str() {
        "benchmark" => {
            println!("Running performance benchmarks...");
            // TODO: Implement benchmark runner
        }
        "regression" => {
            println!("Running regression tests...");
            // TODO: Implement regression test runner
        }
        "report" => {
            println!("Generating performance report...");
            // TODO: Implement report generator
        }
        _ => {
            eprintln!("Unknown command: {}", args[1]);
            return Ok(());
        }
    }
    
    Ok(())
}
