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

$pdo = db();

// 1. Get the admin user's ID
$stmt = $pdo->prepare("SELECT id FROM users WHERE email = ?");
$stmt->execute(['admin@flexpass.local']);
$adminUser = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$adminUser) {
    echo "Admin user not found. Please seed the database first (php db/seed.php).\n";
    exit(1);
}

$adminId = $adminUser['id'];
echo "Found admin user ID: {$adminId}\n";

// 2. Update existing clients
try {
    $updateStmt = $pdo->prepare("UPDATE clients SET user_id = ? WHERE user_id IS NULL OR user_id = ''");
    $updateStmt->execute([$adminId]);
    $rowCount = $updateStmt->rowCount();
    echo "Updated {$rowCount} client(s) to belong to the admin user.\n";
} catch (PDOException $e) {
    // This will fail if the column doesn't exist yet, which is fine.
    echo "Could not update clients (the user_id column might not exist yet): " . $e->getMessage() . "\n";
}

// 3. Modify the migration to be safer
$migrationFile = __DIR__ . '/migrations/002_add_user_id_to_clients.sql';
$migrationSQL = "ALTER TABLE `clients` ADD COLUMN `user_id` CHAR(36);"; // Add as nullable first

file_put_contents($migrationFile, $migrationSQL);
echo "Migration 002 updated to be safer.\n";

?>