<?php
$file = 'includes/app.php';
$content = file_get_contents($file);

$search1 = "ensure_center_application_schema(\$pdo);";
$replace1 = "ensure_app_settings_schema(\$pdo);\n        ensure_center_application_schema(\$pdo);";
$content = str_replace($search1, $replace1, $content);

$search2 = "function ensure_center_application_schema(PDO \$pdo): void";
$replace2 = "function ensure_app_settings_schema(PDO \$pdo): void
{
    \$pdo->exec(\"
        CREATE TABLE IF NOT EXISTS app_settings (
            id INT PRIMARY KEY DEFAULT 1,
            app_name VARCHAR(190) NOT NULL DEFAULT 'Central Admin',
            app_email VARCHAR(190) DEFAULT NULL,
            app_telephone VARCHAR(60) DEFAULT NULL,
            app_logo VARCHAR(255) DEFAULT NULL,
            app_favicon VARCHAR(255) DEFAULT NULL,
            updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
    \");
    \$pdo->exec(\"INSERT IGNORE INTO app_settings (id, app_name) VALUES (1, 'Central Admin')\");
}

function get_app_settings(): array
{
    \$pdo = db_connection();
    \$stmt = \$pdo->query('SELECT * FROM app_settings WHERE id = 1');
    \$res = \$stmt->fetch(PDO::FETCH_ASSOC);
    if (!\$res) {
        return [
            'app_name' => 'Central Admin',
            'app_email' => '',
            'app_telephone' => '',
            'app_logo' => '',
            'app_favicon' => ''
        ];
    }
    return \$res;
}

function ensure_center_application_schema(PDO \$pdo): void";

$content = str_replace($search2, $replace2, $content);

file_put_contents($file, $content);
echo "Done\n";