//! Notebook Acceptance Tests Example
//! 
//! This example runs comprehensive TDD acceptance tests for the Ruchy notebook
//! functionality, demonstrating extreme quality assurance practices.
//! 
//! Run with: cargo run --example notebook_acceptance_tests

#[cfg(feature = "notebook")]
use std::process::Command;

#[cfg(not(feature = "notebook"))]
fn main() {
    eprintln!("❌ This example requires the 'notebook' feature.");
    eprintln!("Run with: cargo run --example notebook_acceptance_tests --features notebook");
    std::process::exit(1);
}

#[cfg(feature = "notebook")]
fn main() -> Result<(), Box<dyn std::error::Error>> {
    println!("🧪 Ruchy Notebook Acceptance Tests - Extreme TDD Protocol");
    println!("================================================================\n");
    
    println!("📋 Test Philosophy:");
    println!("   • Toyota Way: Stop the line for any defect");
    println!("   • TDD: Tests drive implementation");
    println!("   • Acceptance: User-facing functionality verified");
    println!("   • Extreme: Browser automation + API testing\n");
    
    println!("🚀 Running Notebook TDD Test Suite...\n");
    
    // Run the acceptance tests
    let test_output = Command::new("cargo")
        .args(&[
            "test", 
            "--manifest-path", "ruchy-notebook/Cargo.toml",
            "--features", "native",
            "notebook_acceptance_tests",
            "--",
            "--nocapture"
        ])
        .output()?;
    
    if test_output.status.success() {
        println!("✅ ALL ACCEPTANCE TESTS PASSED!");
        println!("   Notebook functionality is production-ready.");
    } else {
        println!("❌ ACCEPTANCE TESTS FAILED!");
        println!("   Notebook functionality has defects that must be fixed.");
        println!("\n📊 Test Output:");
        println!("{}", String::from_utf8_lossy(&test_output.stdout));
        println!("\n🚨 Error Details:");
        println!("{}", String::from_utf8_lossy(&test_output.stderr));
        
        println!("\n🛑 TOYOTA WAY: STOP THE LINE!");
        println!("   • Root cause analysis required");
        println!("   • Implement missing functionality");
        println!("   • Re-run tests until all pass");
        println!("   • No releases until quality gates pass");
        
        std::process::exit(1);
    }
    
    println!("\n🎯 Next Steps:");
    println!("   1. Implement missing API endpoints (/api/execute)");
    println!("   2. Add session management and state persistence");
    println!("   3. Integrate Ruchy interpreter for code execution");
    println!("   4. Add WebSocket support for real-time feedback");
    println!("   5. Create browser automation tests");
    
    println!("\n📈 Quality Metrics:");
    println!("   • Test Coverage: Target 100% for notebook components");
    println!("   • API Response Time: <100ms for simple expressions");
    println!("   • Session Isolation: Zero cross-contamination");
    println!("   • Error Handling: Graceful degradation for all cases");
    
    println!("\n🔧 Implementation Required:");
    println!("   • POST /api/execute endpoint");
    println!("   • Session-based execution contexts");
    println!("   • Real-time WebSocket updates");
    println!("   • Persistent notebook state");
    
    Ok(())
}