<?php
require_once 'db/config.php';

function run_migrations() {
    $pdo = db();

    // Create migrations table if it doesn't exist
    try {
        $pdo->exec('CREATE TABLE IF NOT EXISTS migrations (migration VARCHAR(255) PRIMARY KEY)');
    } catch (PDOException $e) {
        die("Could not create migrations table: " . $e->getMessage() . "\n");
    }

    // Get all migration files
    $migrations_dir = __DIR__ . '/migrations';
    $files = glob($migrations_dir . '/*.sql');

    // Get already run migrations
    $ran_migrations_stmt = $pdo->query('SELECT migration FROM migrations');
    $ran_migrations = $ran_migrations_stmt->fetchAll(PDO::FETCH_COLUMN);

    foreach ($files as $file) {
        $migration_name = basename($file);

        if (in_array($migration_name, $ran_migrations)) {
            continue; // Skip already run migration
        }

        $sql = file_get_contents($file);
        try {
            $pdo->exec($sql);
            $stmt = $pdo->prepare('INSERT INTO migrations (migration) VALUES (?)');
            $stmt->execute([$migration_name]);
            echo "Migration from $file ran successfully.\n";
        } catch (PDOException $e) {
            die("Migration failed on file $file: " . $e->getMessage() . "\n");
        }
    }
    echo "All new migrations have been run.\n";
}

run_migrations();