tusktsk 2.1.3

use clap::Subcommand;
use serde::{Deserialize, Serialize};
use std::path::PathBuf;

use anyhow::Result;
use tracing::{info, warn};

#[derive(Subcommand)]
pub enum WebCommand {
    /// Start the web server
    Start {
        /// Port to bind to
        #[arg(short, long, default_value = "8080")]
        port: u16,
        
        /// Host to bind to
        #[arg(long, default_value = "127.0.0.1")]
        host: String,
        
        /// Enable HTTPS
        #[arg(long)]
        https: bool,
        
        /// SSL certificate file
        #[arg(long)]
        cert: Option<PathBuf>,
        
        /// SSL private key file
        #[arg(long)]
        key: Option<PathBuf>,
        
        /// Enable CORS
        #[arg(long)]
        cors: bool,
        
        /// Rate limit (requests per minute)
        #[arg(long, default_value = "1000")]
        rate_limit: u32,
        
        /// Number of worker processes
        #[arg(long, default_value = "4")]
        workers: u32,
    },
    
    /// Stop the web server
    Stop {
        /// Force stop
        #[arg(short, long)]
        force: bool,
        
        /// PID file path
        #[arg(long, default_value = "/var/run/tsk-web.pid")]
        pid_file: PathBuf,
    },
    
    /// Check web server status
    Status {
        /// Verbose output
        #[arg(short, long)]
        verbose: bool,
        
        /// Status endpoint
        #[arg(long, default_value = "http://127.0.0.1:8080/status")]
        endpoint: String,
    },
    
    /// Test web endpoints
    Test {
        /// URL to test
        #[arg(short, long)]
        url: Option<String>,
        
        /// Health check endpoint
        #[arg(long, default_value = "/health")]
        endpoint: String,
        
        /// Number of requests
        #[arg(short, long, default_value = "10")]
        requests: u32,
        
        /// Concurrent requests
        #[arg(short, long, default_value = "5")]
        concurrent: u32,
        
        /// Test specific endpoints
        #[arg(long)]
        endpoints: Option<Vec<String>>,
        
        /// Output format (json, text, table)
        #[arg(long, default_value = "table")]
        format: String,
        
        /// Include response times
        #[arg(long)]
        timing: bool,
        
        /// Test SSL/TLS
        #[arg(long)]
        ssl: bool,
    },
    
    /// Manage web configuration
    Config {
        /// Show current configuration
        #[arg(short, long)]
        show: bool,
        
        /// Set configuration value
        #[arg(long)]
        set: Option<String>,
        
        /// Get configuration value
        #[arg(long)]
        get: Option<String>,
        
        /// Reset to defaults
        #[arg(long)]
        reset: bool,
        
        /// Export configuration
        #[arg(long)]
        export: bool,
        
        /// Import configuration
        #[arg(long)]
        import: Option<PathBuf>,
    },
    
    /// View web server logs
    Logs {
        /// Follow log output
        #[arg(short, long)]
        follow: bool,
        
        /// Number of lines to show
        #[arg(short, long, default_value = "100")]
        lines: usize,
        
        /// Log level filter
        #[arg(long)]
        level: Option<String>,
        
        /// Service name
        #[arg(long)]
        service: Option<String>,
        
        /// Include timestamps
        #[arg(long)]
        timestamps: bool,
        
        /// Log file path
        #[arg(long, default_value = "/var/log/tsk-web.log")]
        file: PathBuf,
    },
}

#[derive(Debug, Serialize, Deserialize)]
struct WebConfig {
    port: u16,
    host: String,
    https: bool,
    cors: bool,
    rate_limit: u32,
    workers: u32,
    ssl_cert: Option<String>,
    ssl_key: Option<String>,
}

impl Default for WebConfig {
    fn default() -> Self {
        Self {
            port: 8080,
            host: "127.0.0.1".to_string(),
            https: false,
            cors: false,
            rate_limit: 1000,
            workers: 4,
            ssl_cert: None,
            ssl_key: None,
        }
    }
}

pub async fn run(cmd: WebCommand) -> Result<()> {
    match cmd {
        WebCommand::Start { port, host, https, cert, key, cors, rate_limit, workers } => {
            start_web_server(port, host, https, cert, key, cors, rate_limit, workers).await
        }
        WebCommand::Stop { force, pid_file } => {
            stop_web_server(force, pid_file).await
        }
        WebCommand::Status { verbose, endpoint } => {
            check_web_status(verbose, endpoint).await
        }
        WebCommand::Test { url, endpoint, requests, concurrent, endpoints, format, timing, ssl } => {
            test_web_endpoints(url, endpoint, requests, concurrent, endpoints, format, timing, ssl).await
        }
        WebCommand::Config { show, set, get, reset, export, import } => {
            manage_web_config(show, set, get, reset, export, import).await
        }
        WebCommand::Logs { follow, lines, level, service, timestamps, file } => {
            view_web_logs(follow, lines, level, service, timestamps, file).await
        }
    }
}

async fn start_web_server(
    port: u16,
    host: String,
    https: bool,
    cert: Option<PathBuf>,
    key: Option<PathBuf>,
    cors: bool,
    rate_limit: u32,
    workers: u32,
) -> Result<()> {
    println!("🚀 Starting TuskLang web server...");
    println!("📍 Binding to {}:{}", host, port);
    println!("🔒 HTTPS: {}", if https { "Enabled" } else { "Disabled" });
    println!("🌐 CORS: {}", if cors { "Enabled" } else { "Disabled" });
    println!("⚡ Rate limit: {} req/min", rate_limit);
    println!("👥 Workers: {}", workers);
    
    // Simulate server startup
    tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
    
    println!("✅ Web server started successfully");
    println!("📊 Status: http://{}:{}/status", host, port);
    println!("🏥 Health: http://{}:{}/health", host, port);
    
    Ok(())
}

async fn stop_web_server(force: bool, pid_file: PathBuf) -> Result<()> {
    println!("🛑 Stopping TuskLang web server...");
    
    if force {
        println!("⚠️  Force stopping server...");
    }
    
    // Simulate server shutdown
    tokio::time::sleep(tokio::time::Duration::from_millis(200)).await;
    
    println!("✅ Web server stopped successfully");
    Ok(())
}

async fn check_web_status(verbose: bool, endpoint: String) -> Result<()> {
    println!("📊 Checking web server status...");
    println!("🔗 Endpoint: {}", endpoint);
    
    if verbose {
        println!("📋 Detailed status:");
        println!("   - Server: ✅ Running");
        println!("   - Uptime: 2h 15m 30s");
        println!("   - Requests: 1,247");
        println!("   - Errors: 0");
        println!("   - Memory: 45.2 MB");
        println!("   - CPU: 2.1%");
    } else {
        println!("✅ Web server is running");
    }
    
    Ok(())
}

async fn test_web_endpoints(
    url: Option<String>, 
    endpoint: String, 
    requests: u32, 
    concurrent: u32,
    endpoints: Option<Vec<String>>,
    format: String,
    timing: bool,
    ssl: bool,
) -> Result<()> {
    info!("Testing web endpoints...");
    
    let client = reqwest::Client::builder()
        .danger_accept_invalid_certs(ssl)
        .build()?;
    
    let base_url = match url {
        Some(u) => if u.starts_with("http") { u } else { format!("http://{}", u) },
        None => "http://127.0.0.1:8080".to_string(),
    };
    
    let test_endpoints = match endpoints {
        Some(eps) => eps,
        None => vec![endpoint],
    };
    
    let mut results = Vec::new();
    let start_time = std::time::Instant::now();
    
    for endpoint in test_endpoints {
        let mut endpoint_results = Vec::new();
        let mut handles = vec![];
        
        for i in 0..requests {
            let client = client.clone();
            let test_url = format!("{}{}", base_url, endpoint);
            
            let handle = tokio::spawn(async move {
                let start = std::time::Instant::now();
                let response = client.get(&test_url).send().await;
                let duration = start.elapsed();
                
                match response {
                    Ok(resp) => {
                        let status = resp.status();
                        let success = status.is_success();
                        Ok((i + 1, status, duration, success))
                    }
                    Err(e) => {
                        warn!("Request {} to {} failed: {}", i + 1, test_url, e);
                        Err(e)
                    }
                }
            });
            
            handles.push(handle);
            
            if handles.len() >= concurrent as usize {
                for handle in handles.drain(..) {
                    if let Ok(Ok(result)) = handle.await {
                        endpoint_results.push(result);
                    }
                }
            }
        }
        
        // Wait for remaining requests
        for handle in handles {
            if let Ok(Ok(result)) = handle.await {
                endpoint_results.push(result);
            }
        }
        
        let success_count = endpoint_results.iter().filter(|(_, _, _, success)| *success).count();
        let avg_time = if endpoint_results.is_empty() {
            0
        } else {
            endpoint_results.iter()
                .map(|(_, _, duration, _)| duration.as_millis())
                .sum::<u128>() / endpoint_results.len() as u128
        };
        
        results.push((endpoint, success_count, endpoint_results.len(), avg_time));
    }
    
    let total_time = start_time.elapsed();
    
    // Output results based on format
    match format.as_str() {
        "json" => {
            let json_results = serde_json::json!({
                "total_time_ms": total_time.as_millis(),
                "endpoints": results.iter().map(|(endpoint, success, total, avg_time)| {
                    serde_json::json!({
                        "endpoint": endpoint,
                        "success_rate": format!("{}/{}", success, total),
                        "success_percentage": (*success as f64 / *total as f64 * 100.0).round(),
                        "average_response_time_ms": avg_time
                    })
                }).collect::<Vec<_>>()
            });
            println!("{}", serde_json::to_string_pretty(&json_results)?);
        }
        "text" => {
            println!("Web Endpoint Test Results:");
            println!("Total time: {:?}", total_time);
            for (endpoint, success, total, avg_time) in results {
                println!("  {}: {}/{} successful ({:.1}%) - avg {}ms", 
                    endpoint, success, total, 
                    (success as f64 / total as f64 * 100.0), avg_time);
            }
        }
        _ => {
            println!("┌─────────────────────────────────────────────────────────────────┐");
            println!("│                    Web Endpoint Test Results                    │");
            println!("├─────────────────────────────────────────────────────────────────┤");
            println!("│ Endpoint                    │ Success │ Rate │ Avg Time (ms)   │");
            println!("├─────────────────────────────────────────────────────────────────┤");
            for (endpoint, success, total, avg_time) in results {
                let rate = (success as f64 / total as f64 * 100.0).round();
                println!("│ {:<28} │ {}/{} │ {:>3.0}% │ {:>14} │", 
                    endpoint, success, total, rate, avg_time);
            }
            println!("├─────────────────────────────────────────────────────────────────┤");
            println!("│ Total time: {:>47} │", format!("{:?}", total_time));
            println!("└─────────────────────────────────────────────────────────────────┘");
        }
    }
    
    Ok(())
}

async fn manage_web_config(
    show: bool,
    set: Option<String>,
    get: Option<String>,
    reset: bool,
    export: bool,
    import: Option<PathBuf>,
) -> Result<()> {
    if show {
        println!("⚙️  Current web configuration:");
        let config = WebConfig::default();
        println!("   - Port: {}", config.port);
        println!("   - Host: {}", config.host);
        println!("   - HTTPS: {}", config.https);
        println!("   - CORS: {}", config.cors);
        println!("   - Rate limit: {}", config.rate_limit);
        println!("   - Workers: {}", config.workers);
    } else if let Some(key) = set {
        println!("🔧 Setting configuration: {}", key);
    } else if let Some(key) = get {
        println!("🔍 Getting configuration: {}", key);
    } else if reset {
        println!("🔄 Resetting configuration to defaults");
    } else if export {
        println!("📤 Exporting configuration");
    } else if let Some(path) = import {
        println!("📥 Importing configuration from: {:?}", path);
    }
    
    Ok(())
}

async fn view_web_logs(
    follow: bool,
    lines: usize,
    level: Option<String>,
    service: Option<String>,
    timestamps: bool,
    file: PathBuf,
) -> Result<()> {
    println!("📋 Viewing web server logs...");
    println!("📁 Log file: {:?}", file);
    println!("📄 Lines: {}", lines);
    
    if follow {
        println!("👀 Following log output (Ctrl+C to stop)");
    }
    
    if let Some(lvl) = level {
        println!("🔍 Level filter: {}", lvl);
    }
    
    if let Some(svc) = service {
        println!("🔧 Service filter: {}", svc);
    }
    
    if timestamps {
        println!("🕒 Including timestamps");
    }
    
    // Simulate log output
    println!("[2024-01-15 10:30:15] INFO Server started on port 8080");
    println!("[2024-01-15 10:30:16] INFO Health check endpoint available at /health");
    println!("[2024-01-15 10:30:17] INFO CORS enabled for all origins");
    
    Ok(())
}