<?php
/**
 * API Key Generator for hwmonDaemon
 * Run this script once after migrations to generate the API key
 *
 * Usage: php generate_api_key.php
 */

require_once __DIR__ . '/config/config.php';
require_once __DIR__ . '/models/ApiKeyModel.php';
require_once __DIR__ . '/models/UserModel.php';

echo "==============================================\n";
echo "  Tinker Tickets - API Key Generator\n";
echo "==============================================\n\n";

// Create database connection
$conn = new mysqli(
    $GLOBALS['config']['DB_HOST'],
    $GLOBALS['config']['DB_USER'],
    $GLOBALS['config']['DB_PASS'],
    $GLOBALS['config']['DB_NAME']
);

if ($conn->connect_error) {
    die("❌ Database connection failed: " . $conn->connect_error . "\n");
}

echo "✅ Connected to database\n\n";

// Initialize models
$userModel = new UserModel($conn);
$apiKeyModel = new ApiKeyModel($conn);

// Get system user (should exist from migration)
echo "Checking for system user...\n";
$systemUser = $userModel->getSystemUser();

if (!$systemUser) {
    die("❌ Error: System user not found. Please run migrations first.\n");
}

echo "✅ System user found: ID " . $systemUser['user_id'] . " (" . $systemUser['username'] . ")\n\n";

// Check if API key already exists
$existingKeys = $apiKeyModel->getKeysByUser($systemUser['user_id']);
if (!empty($existingKeys)) {
    echo "⚠️  Warning: API keys already exist for system user:\n\n";
    foreach ($existingKeys as $key) {
        echo "  - " . $key['key_name'] . " (Prefix: " . $key['key_prefix'] . ")\n";
        echo "    Created: " . $key['created_at'] . "\n";
        echo "    Active: " . ($key['is_active'] ? 'Yes' : 'No') . "\n\n";
    }

    echo "Do you want to generate a new API key? (yes/no): ";
    $handle = fopen("php://stdin", "r");
    $response = trim(fgets($handle));
    fclose($handle);

    if (strtolower($response) !== 'yes') {
        echo "\nAborted.\n";
        exit(0);
    }
    echo "\n";
}

// Generate API key
echo "Generating API key for hwmonDaemon...\n";
$result = $apiKeyModel->createKey(
    'hwmonDaemon',
    $systemUser['user_id'],
    null  // No expiration
);

if ($result['success']) {
    echo "\n";
    echo "==============================================\n";
    echo "  ✅ API Key Generated Successfully!\n";
    echo "==============================================\n\n";
    echo "API Key:     " . $result['api_key'] . "\n";
    echo "Key Prefix:  " . $result['key_prefix'] . "\n";
    echo "Key ID:      " . $result['key_id'] . "\n";
    echo "Expires:     Never\n\n";
    echo "⚠️  IMPORTANT: Save this API key now!\n";
    echo "   It cannot be retrieved later.\n\n";
    echo "==============================================\n";
    echo "  Add to hwmonDaemon .env file:\n";
    echo "==============================================\n\n";
    echo "TICKET_API_KEY=" . $result['api_key'] . "\n\n";
    echo "Then restart hwmonDaemon:\n";
    echo "  sudo systemctl restart hwmonDaemon\n\n";
} else {
    echo "❌ Error generating API key: " . $result['error'] . "\n";
    exit(1);
}

$conn->close();

echo "Done! Delete this script after use:\n";
echo "  rm " . __FILE__ . "\n\n";
?>