#!/usr/bin/env php
<?php
/**
 * PHP 文件监控脚本 - 用于开发环境热更新
 * 监控 PHP 文件变化并自动触发浏览器刷新
 */

echo "🔥 PHP 热更新监控已启动...\n";
echo "监控目录: " . __DIR__ . "\n";
echo "按 Ctrl+C 停止监控\n\n";

$watchedFiles = [];
$extensions = ['php', 'html', 'css', 'js'];

function scanDirectory($dir, $extensions) {
    $files = [];
    $iterator = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS)
    );

    foreach ($iterator as $file) {
        if ($file->isFile()) {
            $ext = strtolower($file->getExtension());
            if (in_array($ext, $extensions)) {
                $files[$file->getPathname()] = $file->getMTime();
            }
        }
    }
    return $files;
}

// 初始化文件列表
$watchedFiles = scanDirectory(__DIR__, $extensions);

echo "正在监控 " . count($watchedFiles) . " 个文件...\n\n";

while (true) {
    sleep(1);

    $currentFiles = scanDirectory(__DIR__, $extensions);

    // 检查文件变化
    foreach ($currentFiles as $file => $mtime) {
        if (!isset($watchedFiles[$file])) {
            echo "[" . date('H:i:s') . "] ✨ 新文件: " . basename($file) . "\n";
            $watchedFiles[$file] = $mtime;
        } elseif ($watchedFiles[$file] !== $mtime) {
            echo "[" . date('H:i:s') . "] 🔄 文件已更新: " . basename($file) . "\n";
            $watchedFiles[$file] = $mtime;
        }
    }

    // 检查删除的文件
    foreach ($watchedFiles as $file => $mtime) {
        if (!isset($currentFiles[$file])) {
            echo "[" . date('H:i:s') . "] 🗑️  文件已删除: " . basename($file) . "\n";
            unset($watchedFiles[$file]);
        }
    }
}