zc2 0.0.12

P2P compute broker with credit-based billing, WAL, and broker mesh support
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#[allow(warnings)]
extern crate serde;
extern crate toml;

use std::env;
mod async_exec;
mod broker;
mod common;
mod exec;
mod envs;
mod manager;
mod up;

#[cfg(test)]
mod integration_tests;


fn update() {
    let _ = exec::tty("curl https://get.zakuro-ai.com/zc | sh");
}

fn start_broker(host: Option<&str>, port: Option<u16>, daemon: bool, tui: bool) {
    use broker::BrokerConfig;
    use colored::Colorize;

    let config = BrokerConfig {
        host: host.unwrap_or("0.0.0.0").to_string(),
        port: port.unwrap_or(9000),
        daemon,
        verbose: !daemon,  // verbose in foreground mode
        tui_mode: tui,
        ..Default::default()
    };

    if daemon {
        // Daemon mode: minimal output, run in background
        println!("Broker starting on {}:{}...", config.host, config.port);

        // Fork to background using nohup-style approach
        // For true daemonization, we'd use fork() but this is simpler
        if let Err(e) = broker::start_server(config) {
            eprintln!("Broker error: {}", e);
        }
    } else if tui {
        // TUI mode: run interactive terminal dashboard
        if let Err(e) = broker::start_server(config) {
            eprintln!("{} {}", "Broker error:".red(), e);
        }
    } else {
        // Foreground mode: show banner and live transactions
        println!();
        println!("  {}", "╔═══════════════════════════════════════════╗".cyan());
        println!("  {}          {}            {}", "".cyan(), "Zakuro Compute Broker".bold().white(), "".cyan());
        println!("  {}", "╚═══════════════════════════════════════════╝".cyan());
        println!();
        println!("  {}  http://{}:{}", "Listening:".green(), config.host, config.port);
        println!();
        println!("  {}", "API Endpoints:".bold());
        println!("  {}", "─────────────────────────────────────────────".dimmed());
        println!("    {}  /health              Health check", "GET ".green());
        println!("    {}  /workers             List workers", "GET ".green());
        println!("    {} /workers             Register worker", "POST".blue());
        println!("    {} /workers/heartbeat   Worker heartbeat", "POST".blue());
        println!("    {}  /workers/:id         Unregister worker", "DEL ".red());
        println!("    {} /execute             Execute request", "POST".blue());
        println!("    {} /price               Estimate price", "POST".blue());
        println!("    {}  /credits/:user       Get balance", "GET ".green());
        println!("    {} /credits/:user/add   Add credits", "POST".blue());
        println!("  {}", "─────────────────────────────────────────────".dimmed());
        println!();
        println!("  Press {} to stop. Use {} for interactive TUI.", "Ctrl+C".yellow().bold(), "--tui".cyan());
        println!();

        // Start synchronous server with live transaction logging
        if let Err(e) = broker::start_server(config) {
            eprintln!("{} {}", "Broker error:".red(), e);
        }
    }
}


fn launch() {
    manager::pull();
    manager::kill();
    manager::restart();
}
fn setup() {
    common::download_auth();
    common::download_conf();
    launch();
}



fn show_user_info(api_key: &str) {
    use colored::Colorize;
    use std::time::Duration;

    // Get API URL from environment or use production default
    let api_url = std::env::var("ZAKURO_API_URL")
        .unwrap_or_else(|_| "https://my.zakuro-ai.com".to_string());

    // Create HTTP client
    let agent = ureq::AgentBuilder::new()
        .timeout_connect(Duration::from_secs(10))
        .timeout_read(Duration::from_secs(10))
        .build();

    // Call /api/auth/me/api-key endpoint (API key authentication)
    let endpoint = format!("{}/api/auth/me/api-key", api_url.trim_end_matches('/'));
    let response = match agent
        .get(&endpoint)
        .set("Authorization", &format!("Bearer {}", api_key))
        .call()
    {
        Ok(r) => r,
        Err(e) => {
            eprintln!("{} {}", "Failed to connect to API:".red(), e);
            eprintln!("  Endpoint: {}", endpoint);
            eprintln!();
            eprintln!("  Make sure:");
            eprintln!("  • ZAKURO_API_KEY is set to your API key");
            eprintln!("  • You have internet connectivity");
            eprintln!("  • API is reachable: {}", api_url);
            return;
        }
    };

    // Parse response
    if response.status() != 200 {
        eprintln!("{} HTTP {}", "API error:".red(), response.status());
        if let Ok(body) = response.into_string() {
            eprintln!("  {}", body);
        }
        return;
    }

    let body = match response.into_string() {
        Ok(s) => s,
        Err(e) => {
            eprintln!("{} {}", "Failed to read response:".red(), e);
            return;
        }
    };

    // Parse JSON response
    let data: serde_json::Value = match serde_json::from_str(&body) {
        Ok(v) => v,
        Err(e) => {
            eprintln!("{} {}", "Failed to parse response:".red(), e);
            return;
        }
    };

    // Display user info
    println!();
    if let Some(user_id) = data.get("zakuro_user_id").and_then(|v| v.as_str()) {
        println!("  {}  {}", "User ID:".bold(), user_id.cyan());
    }
    if let Some(username) = data.get("username").and_then(|v| v.as_str()) {
        println!("  {}  {}", "Username:".bold(), username);
    }
    if let Some(email) = data.get("email").and_then(|v| v.as_str()) {
        println!("  {}  {}", "Email:".bold(), email);
    }
    if let Some(balance) = data.get("credits_balance").and_then(|v| v.as_f64()) {
        println!("  {}  {}", "Balance:".bold(),
            if balance >= 0.0 { format!("{:.4} credits", balance).green() }
            else { format!("{:.4} credits", balance).red() });
    }
    if let Some(disabled) = data.get("disabled").and_then(|v| v.as_bool()) {
        println!("  {}  {}", "Status:".bold(),
            if disabled { "Disabled".red() } else { "Active".green() });
    }
    println!("  {}  {}", "API:".bold(), api_url.green());
    println!();
}

fn help(full: bool) {
    use colored::Colorize;

    println!();
    println!("{}: zc [OPTIONS] COMMAND", "Usage".bold());
    println!();
    println!("A self-sufficient runtime for zakuro");
    println!();
    println!("{}", "Options:".bold());
    println!("      -d, --daemon    Run broker in background (daemon mode).");
    println!("      -t, --tui       Run broker with interactive terminal dashboard.");
    println!("      -v, --version   Get the version of the current command line.");
    println!("      -h, --help      Print this help.");
    println!("      --full          Show all commands including legacy/broken ones.");
    println!();
    println!("{}", "Broker Commands:".bold());
    println!("      broker                    Start broker with live transaction log.");
    println!("      broker <port>             Start broker on specified port.");
    println!("      broker <host> <port>      Start broker on specified host and port.");
    println!("      -t broker                 Start broker with interactive TUI dashboard.");
    println!("      -d broker                 Start broker in daemon mode (background).");
    println!();
    println!("{}", "Cluster Commands:".bold());
    println!("      up                        Start 1 worker + broker locally (foreground).");
    println!("      up --workers 4            Start 4 workers + broker (ports 3960-3963).");
    println!("      up --workers 4 -d         Start 4 workers in the background (daemon).");
    println!("      up --workers 4 --port 4000  Start 4 workers on ports 4000-4003.");
    println!("      up --broker-port 9001     Start broker on a custom port.");
    println!("      down                      Stop all workers + broker started by 'zc up'.");
    println!("      workers                   List workers on the local broker (ZAKURO_BROKER or zc://localhost).");
    println!("      workers zc://node-name    List workers on a named broker.");
    println!("      workers zc://ip:port      List workers on a broker at a specific address.");
    println!();
    println!("{}", "Benchmark Commands:".bold());
    println!("      bench                     Benchmark broker (default: best_price strategy).");
    println!("      bench -s best_latency     Benchmark with fastest worker routing.");
    println!("      bench --compare           Compare all routing strategies.");
    println!("      bench -c 50 -n 10000      Benchmark with 50 concurrent, 10k requests.");
    println!("      bench zc://node-name      Benchmark a specific named broker.");
    println!();
    println!("{}", "Identity:".bold());
    println!("      me                        Show authenticated user info and credits.");
    println!("      credits                   Alias for 'me'.");
    println!();
    println!("{}", "Monitoring:".bold());
    println!("      attach zc://node-name     Attach to a named broker's TUI.");
    println!("      attach zc://localhost     Attach to the local broker TUI.");
    println!();
    println!("{}", "Diagnostics:".bold());
    println!("      info                      Show system info, clusters, and network status.");
    println!("      show-network-auth         Print Tailscale auth key from dashboard API (requires ZAKURO_API_KEY).");
    println!();
    println!("  The broker automatically discovers workers on the Tailscale network");
    println!();
    println!("{}", "Container Commands:".bold());
    println!("      update          Update the command line.");
    println!("      pull            Pull updated images.");
    println!("      images          List zakuro images built on the machine.");
    println!("      ps              List current running zakuro containers.");
    println!("      kill            Remove current running zakuro containers.");
    println!("      restart         Restart the containers with updated images.");
    println!();

    if full {
        println!("{}", "Legacy Commands (broken - require zk0 container):".bold().red());
        println!("      connect         [BROKEN] Enter zk0 in interactive mode.");
        println!("      rmi             [BROKEN] Remove zakuro images (no confirmation, destructive).");
        println!("      context <path>  [BROKEN] Set new zakuro context.");
        println!();
    }

    println!("To get more help, check out our guides at {}", "https://docs.zakuro.ai/".cyan().underline());
}

fn show_workers(broker_url: &str) {
    use colored::Colorize;
    use std::time::Duration;

    let url = format!("{}/workers", broker_url.trim_end_matches('/'));
    let agent = ureq::AgentBuilder::new()
        .timeout_connect(Duration::from_secs(3))
        .timeout_read(Duration::from_secs(5))
        .build();

    let response = match agent.get(&url).call() {
        Ok(r) => r,
        Err(_) => {
            // Broker not running — auto-start it silently in the background
            let broker_port: u16 = broker_url
                .rsplit(':').next()
                .and_then(|p| p.trim_end_matches('/').parse().ok())
                .unwrap_or(9000);
            eprintln!("  Broker not running — starting on port {}...", broker_port);
            let config = broker::BrokerConfig {
                host: "0.0.0.0".to_string(),
                port: broker_port,
                daemon: true,
                verbose: false,
                tui_mode: false,
                ..Default::default()
            };
            async_exec::spawn_detached(move || {
                let _ = broker::start_server(config);
            });
            // Poll /health until ready (up to 5s)
            let health_url = format!("{}/health", broker_url.trim_end_matches('/'));
            let ready = (0..50).any(|_| {
                std::thread::sleep(std::time::Duration::from_millis(100));
                agent.get(&health_url).call().is_ok()
            });
            if !ready {
                eprintln!("{} Broker failed to start within 5s", "Error:".red());
                return;
            }
            match agent.get(&url).call() {
                Ok(r) => r,
                Err(e) => {
                    eprintln!("{} {}", "Error:".red(), e);
                    return;
                }
            }
        }
    };

    let body = match response.into_string() {
        Ok(s) => s,
        Err(e) => { eprintln!("{} {}", "Error reading response:".red(), e); return; }
    };

    let data: serde_json::Value = match serde_json::from_str(&body) {
        Ok(v) => v,
        Err(e) => { eprintln!("{} {}", "Error parsing response:".red(), e); return; }
    };

    let workers = match data.get("workers").and_then(|v| v.as_array()) {
        Some(w) => w,
        None => { eprintln!("No workers field in response"); return; }
    };
    let total = data.get("total").and_then(|v| v.as_u64()).unwrap_or(workers.len() as u64);

    println!();
    println!("  {}  {} worker(s) at {}", "Workers:".bold(), total, broker_url);
    println!(
        "  {}",
        "──────────────────────────────────────────────────────────────────────────────────────────────".dimmed()
    );
    println!(
        "  {:<20} {:<10} {:<26} {:>5} {:>5}  {:>12}  {:>12}  {:>12}",
        "NAME".bold(), "STATUS".bold(), "URI".bold(), "CPUs".bold(), "GPUs".bold(),
        "5h".bold(), "1w".bold(), "1m".bold()
    );
    println!(
        "  {}",
        "──────────────────────────────────────────────────────────────────────────────────────────────".dimmed()
    );

    for w in workers {
        let name = w.get("name").and_then(|v| v.as_str()).unwrap_or("?");
        let status = w.get("status").and_then(|v| v.as_str()).unwrap_or("?");
        let uri = w.get("uri").and_then(|v| v.as_str()).unwrap_or("?");
        let cpus = w.get("cpus_available").and_then(|v| v.as_f64()).unwrap_or(0.0);
        let gpus = w.get("gpus_available").and_then(|v| v.as_u64()).unwrap_or(0);

        // Time-windowed request counts
        let r5h = w.get("requests_5h").and_then(|v| v.as_u64()).unwrap_or(0);
        let r1w = w.get("requests_1w").and_then(|v| v.as_u64()).unwrap_or(0);
        let r1m = w.get("requests_1m").and_then(|v| v.as_u64()).unwrap_or(0);

        // Quota limits (0 = unlimited)
        let q5h = w.get("quota_5h").and_then(|v| v.as_u64()).unwrap_or(0);
        let q1w = w.get("quota_1w").and_then(|v| v.as_u64()).unwrap_or(0);
        let q1m = w.get("quota_1m").and_then(|v| v.as_u64()).unwrap_or(0);

        let status_colored = match status {
            "healthy" => status.green(),
            "unhealthy" => status.red(),
            "busy" => status.yellow(),
            _ => status.normal(),
        };

        // Format: "1234 / 5000 (24.7%)" or "1234 / ∞" when no quota
        let fmt_window = |count: u64, quota: u64| -> String {
            if quota == 0 {
                format!("{} / ∞", count)
            } else {
                let pct = count as f64 / quota as f64 * 100.0;
                let s = format!("{} / {} ({:.0}%)", count, quota, pct);
                if pct >= 90.0 {
                    s.red().to_string()
                } else if pct >= 70.0 {
                    s.yellow().to_string()
                } else {
                    s.green().to_string()
                }
            }
        };

        println!(
            "  {:<20} {:<19} {:<26} {:>5.1} {:>5}  {:>21}  {:>21}  {:>21}",
            name, status_colored, uri, cpus, gpus,
            fmt_window(r5h, q5h),
            fmt_window(r1w, q1w),
            fmt_window(r1m, q1m),
        );
    }
    println!(
        "  {}",
        "──────────────────────────────────────────────────────────────────────────────────────────────".dimmed()
    );
    println!();
}

fn require_auth() {
    eprintln!("This command requires authentication.\n");
    eprintln!("Set your token with:");
    eprintln!("  export ZAKURO_API_KEY=\"your-token-here\"\n");
    eprintln!("Don't have a token? Request access at https://zakuro.ai");
}

fn main() {

    envs::update();
    let args: Vec<String> = env::args().collect();

    // Show help even without ZAKURO_API_KEY
    let full_help = args.iter().any(|a| a == "--full");
    if args.len() == 1 || args.get(1).map(|a| a == "-h" || a == "--help").unwrap_or(false) {
        help(full_help);
        return;
    }
    if args.get(1).map(|a| a == "--full").unwrap_or(false) {
        help(true);
        return;
    }

    let zakuro_auth = env::var("ZAKURO_API_KEY").ok();
    let _broker_url = env::var("ZAKURO_BROKER").unwrap_or_else(|_| "zc://localhost".to_string());

    // `zc up [--workers N] [--port P] [--broker-port P] [-d]` — any number of args
    if args.get(1).map(|a| a == "up").unwrap_or(false) {
        let up_args: Vec<String> = args[2..].to_vec();
        let (workers, base_port, broker_port, daemon) = up::parse_args(&up_args);
        up::start_up(workers, base_port, broker_port, daemon);
        return;
    }

    // `zc down [--port BASE] [--broker-port PORT]`
    if args.get(1).map(|a| a == "down").unwrap_or(false) {
        let down_args: Vec<String> = args[2..].to_vec();
        let (_, base_port, broker_port, _) = up::parse_args(&down_args);
        // Scan worker range: base_port to base_port+39
        up::stop_up(broker_port, base_port, base_port + 39);
        return;
    }

    match args.len() {
        1 => unreachable!(),
        2 => {
            let arg0 = &args[1];
            match &arg0[..] {
                "-h" => help(false),
                "--help" => help(false),
                "ps" => manager::ps(),
                "dist" => {
                    match common::dist(){
                        Ok(res) => {
                            println!("{}", res);
                        }
                        Err(why) => {
                            eprintln!("{}", why);
                        }
                    }
                },
                "images" => manager::images(),
                // "nmap" => network::nmap(),
                "launch" => launch(),
                "download_conf" => common::download_conf(),
                "download_auth" => common::download_auth(),
                "setup" => setup(),
                "pull" => manager::pull(),
                "workers" => {
                    let raw = env::var("ZAKURO_BROKER")
                        .unwrap_or_else(|_| "zc://localhost".to_string());
                    let broker_url = match broker::uri::resolve(&raw) {
                        Ok(u) => u,
                        Err(e) => { eprintln!("Error: {}", e); std::process::exit(1); }
                    };
                    show_workers(&broker_url);
                },
                "logs" => common::logs(true),
                "nodes" => manager::nodes(),
                "restart" => manager::restart(),
                "servers" => manager::server_list(),
                "add_worker" => manager::add_worker(),
                "kill" => manager::kill(),
                "connect" => manager::connect(),
                "update" => update(),
                "rmi" => manager::rmi(),
                "--version" => common::version(),
                "-v" => common::version(),
                "vars" => {
                    common::context(None);
                },
                "broker" => {
                    start_broker(None, None, false, false);  // foreground mode
                },
                "up" => {
                    up::start_up(1, 3960, 9000, false);
                },
                "bench" => {
                    broker::bench::run_from_args(&[]);
                },
                "info" => {
                    broker::info::print_info();
                },
                "me" | "whoami" | "credits" => {
                    match &zakuro_auth {
                        Some(auth) => show_user_info(auth),
                        None => require_auth(),
                    }
                },
                "show-network-auth" => {
                    match broker::get_tailscale_auth_key() {
                        Ok(key) => println!("{}", key),
                        Err(e) => {
                            use colored::Colorize;
                            eprintln!("{} {}", "Error:".red(), e);
                            std::process::exit(1);
                        }
                    }
                },
                _ => {
                    help(false)
                }
            }
        }
        3 => {
            let arg0 = &args[1];
            let arg1 = &args[2];
            match &arg0[..] {
                "--docker" => match &arg1[..] {
                    "rm" => manager::remove_container(),
                    _ => {
                        let _ = exec::zk0(&arg1[..]);
                    }
                },
                "-d" | "--daemon" => match &arg1[..] {
                    "rm" => manager::remove_container(),
                    "broker" => {
                        start_broker(None, None, true, false);  // daemon mode
                    }
                    _ => {
                        let _ = exec::zk0(&arg1[..]);
                    }
                },
                "-t" | "--tui" => match &arg1[..] {
                    "broker" => {
                        start_broker(None, None, false, true);  // TUI mode
                    }
                    _ => {
                        help(false);
                    }
                },
                "push" => {
                    manager::push(Some(&arg1[..]));
                },
                "context" => {
                    common::context(Some(&arg1[..]));
                },
                "build" => {
                    common::build(Some(args));
                }
                "broker" => {
                    // broker <port>
                    let port: u16 = arg1.parse().unwrap_or(9000);
                    start_broker(None, Some(port), false, false);  // foreground mode
                }
                "workers" => {
                    // workers <zc://node-name>
                    let broker_url = match broker::uri::resolve(&arg1) {
                        Ok(u) => u,
                        Err(e) => { eprintln!("Error: {}", e); std::process::exit(1); }
                    };
                    show_workers(&broker_url);
                }
                "bench" => {
                    // bench <url> or bench <option>
                    broker::bench::run_from_args(&[arg1.clone()]);
                }
                "attach" => {
                    match &zakuro_auth {
                        Some(auth) => {
                            // attach <zc://node-name>
                            let url = match broker::uri::resolve(&arg1) {
                                Ok(u) => u,
                                Err(e) => { eprintln!("Error: {}", e); std::process::exit(1); }
                            };

                            // Set up panic handler to restore terminal
                            let default_panic = std::panic::take_hook();
                            std::panic::set_hook(Box::new(move |info| {
                                broker::cleanup_terminal();
                                default_panic(info);
                            }));

                            println!("Attaching to broker at {}...", url);
                            let api_key = Some(auth.clone());
                            if let Err(e) = broker::run_remote_tui(url, api_key) {
                                broker::cleanup_terminal();
                                eprintln!("TUI error: {}", e);
                            }
                        }
                        None => require_auth(),
                    }
                }
                _ => help(false),
            }
        }
        4 => {
            let arg0 = &args[1];
            let arg1 = &args[2];
            let arg2 = &args[3];
            match &arg0[..] {
                "-d" | "--daemon" => match &arg1[..] {
                    "broker" => {
                        // -d broker <port>
                        let port: u16 = arg2.parse().unwrap_or(9000);
                        start_broker(None, Some(port), true, false);  // daemon mode
                    }
                    _ => help(false),
                },
                "-t" | "--tui" => match &arg1[..] {
                    "broker" => {
                        // -t broker <port> — if port already in use, attach to existing broker
                        let port: u16 = arg2.parse().unwrap_or(9000);
                        if up::is_port_open(port) {
                            use colored::Colorize;
                            println!("  {} Port {} is already in use — attaching to existing broker...", "".cyan(), port);
                            let url = format!("http://localhost:{}", port);
                            match &zakuro_auth {
                                Some(api_key) => {
                                    let default_panic = std::panic::take_hook();
                                    std::panic::set_hook(Box::new(move |info| {
                                        broker::cleanup_terminal();
                                        default_panic(info);
                                    }));
                                    if let Err(e) = broker::run_remote_tui(url, Some(api_key.clone())) {
                                        broker::cleanup_terminal();
                                        eprintln!("{} {}", "TUI error:".red(), e);
                                    }
                                }
                                None => {
                                    eprintln!("  {} Set {} to attach to the broker.", "Error:".red(), "ZAKURO_API_KEY".yellow());
                                }
                            }
                        } else {
                            start_broker(None, Some(port), false, true);  // TUI mode
                        }
                    }
                    _ => help(false),
                },
                "broker" => {
                    // broker <host> <port>
                    let port: u16 = arg2.parse().unwrap_or(9000);
                    start_broker(Some(arg1), Some(port), false, false);  // foreground mode
                }
                _ => help(false),
            }
        }
        _ => {
            let arg0 = &args[1];
            match &arg0[..] {
                "build" => {
                    common::build(Some(args));
                }
                "bench" => {
                    // Pass remaining args to bench
                    let bench_args: Vec<String> = args[2..].to_vec();
                    broker::bench::run_from_args(&bench_args);
                }
                "up" => {
                    let up_args: Vec<String> = args[2..].to_vec();
                    let (workers, base_port, broker_port, daemon) = up::parse_args(&up_args);
                    up::start_up(workers, base_port, broker_port, daemon);
                }
                _ => {
                    help(false);
                }
            }
        }
    }
}