#!/usr/bin/env php
<?php
/**
 * 启动前自检：在项目根目录执行 php scripts/check_start.php
 */
declare(strict_types=1);

chdir(__DIR__ . '/..');
require_once __DIR__ . '/../vendor/autoload.php';

$errors = [];
$isLinux = DIRECTORY_SEPARATOR === '/';

if ($isLinux) {
    foreach (['pcntl', 'posix'] as $ext) {
        if (!extension_loaded($ext)) {
            $errors[] = "缺少 PHP 扩展: {$ext}（Workerman 在 Linux 上必需）";
        }
    }
}

foreach (['pdo', 'pdo_mysql', 'json'] as $ext) {
    if (!extension_loaded($ext)) {
        $errors[] = "缺少 PHP 扩展: {$ext}";
    }
}

if (!function_exists('cpu_count')) {
    $errors[] = '函数 cpu_count() 不存在，请确认 vendor 已完整安装（composer install）';
}

$runtime = base_path() . '/runtime';
$logs = $runtime . '/logs';
foreach ([$runtime, $logs] as $dir) {
    if (!is_dir($dir) && !@mkdir($dir, 0755, true)) {
        $errors[] = "无法创建目录: {$dir}";
    } elseif (!is_writable($dir)) {
        $errors[] = "目录不可写: {$dir}（请 chown/chmod 给运行 PHP 的用户）";
    }
}

$pidPath = runtime_path() . '/webman.pid';
if (is_file($pidPath) && !is_writable($pidPath) && !is_writable(dirname($pidPath))) {
    $errors[] = "PID 文件目录不可写: {$pidPath}";
}

try {
    require base_path() . '/support/bootstrap.php';
} catch (Throwable $e) {
    $errors[] = 'bootstrap 失败: ' . $e->getMessage() . ' @ ' . $e->getFile() . ':' . $e->getLine();
}

if (empty($errors)) {
    foreach (config('process', []) as $name => $proc) {
        $handler = $proc['handler'] ?? '';
        if (is_string($handler) && $handler !== '' && !class_exists($handler)) {
            $errors[] = "进程 [{$name}] 处理器不存在: {$handler}";
        }
    }
}

if (empty($errors)) {
    try {
        support\think\Db::execute('SELECT 1');
    } catch (Throwable $e) {
        $errors[] = '数据库连接失败: ' . $e->getMessage();
    }
}

$listen = config('process.webman.listen', '');
if ($listen !== '' && empty($errors)) {
    $parsed = parse_url($listen);
    $host = $parsed['host'] ?? '0.0.0.0';
    $port = $parsed['port'] ?? 80;
    $bindHost = $host === '0.0.0.0' ? '127.0.0.1' : $host;
    $sock = @stream_socket_server("tcp://{$bindHost}:{$port}", $errno, $errstr);
    if ($sock === false) {
        $errors[] = "端口 {$port} 无法监听: [{$errno}] {$errstr}";
        $errors[] = "可执行: ss -lntp | grep {$port}  查看是否被占用";
    } else {
        fclose($sock);
    }
}

if ($errors) {
    echo "=== 启动自检失败 ===\n";
    foreach ($errors as $i => $msg) {
        echo ($i + 1) . '. ' . $msg . "\n";
    }
    echo "\n下一步:\n";
    echo "  php start.php start          # 前台启动看完整报错\n";
    echo "  tail -n 80 runtime/logs/workerman.log\n";
    echo "  tail -n 80 runtime/logs/stdout.log\n";
    exit(1);
}

echo "=== 启动自检通过 ===\n";
echo "监听: {$listen}\n";
echo "Worker 数: " . (config('process.webman.count') ?? '?') . "\n";
echo "路由数: " . count(Webman\Route::getRoutes()) . "\n";
echo "\n请执行: php start.php start\n";
echo "确认无误后再: php start.php start -d\n";
exit(0);