<?php

declare(strict_types=1);

require_once __DIR__ . '/../vendor/autoload.php';
require_once __DIR__ . '/../app/Core/helpers.php';

use App\Core\{Application, Database};

// Initialize app to load .env and configs
$app = new Application(dirname(__DIR__));

echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n";
echo "🗄️  Musadaq Migration Tool\n";
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n";

try {
    $db = Database::getInstance();
    
    // Create migrations table if not exists
    $db->exec("CREATE TABLE IF NOT EXISTS migrations (
        id INT AUTO_INCREMENT PRIMARY KEY,
        migration VARCHAR(255) NOT NULL,
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;");

    $stmt = $db->query("SELECT migration FROM migrations");
    $executed = $stmt->fetchAll(PDO::FETCH_COLUMN);
    
    $migrationsDir = dirname(__DIR__) . '/database/migrations';
    $files = glob($migrationsDir . '/*.sql');
    sort($files); // Ensure order

    $count = 0;
    foreach ($files as $file) {
        $name = basename($file);
        if (!in_array($name, $executed)) {
            echo "🚀 Running: $name... ";
            
            $sql = file_get_contents($file);
            
            // Execute the SQL. Since it might contain multiple statements, 
            // and PDO::exec doesn't always handle them well in one go 
            // depending on the driver, we'll try to run it.
            $db->exec($sql);
            
            $stmt = $db->prepare("INSERT INTO migrations (migration) VALUES (?)");
            $stmt->execute([$name]);
            
            echo "✅ Done\n";
            $count++;
        }
    }

    if ($count === 0) {
        echo "✨ Nothing to migrate. Database is up to date.\n";
    } else {
        echo "🎉 Migrations completed successfully ($count ran).\n";
    }
} catch (Exception $e) {
    echo "❌ Error: " . $e->getMessage() . "\n";
    exit(1);
}
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n";