<?php
/**
 * Bootstrap - Central configuration loader
 * 
 * All PHP files should include this file first to set up:
 * - Path constants
 * - Database connection
 * - Session management
 * - Core functions
 * 
 * Usage:
 * <?php require_once(__DIR__ . '/../../bootstrap.php'); ?>
 * 
 * Then use constants:
 * - APP_ROOT: Root directory
 * - SRC_ROOT: src/ directory
 * - CONFIG_PATH: src/config/ directory
 * - CLASSES_PATH: src/classes/ directory
 * - COMPONENTS_PATH: components/ directory
 * 
 * And use globals:
 * - $conn: MySQLi connection
 * - $db: DatabaseService instance
 */

// Define root paths - adjust based on file location
if (!defined('APP_ROOT')) {
    define('APP_ROOT', dirname(__DIR__));
}
if (!defined('SRC_ROOT')) {
    define('SRC_ROOT', APP_ROOT . '/src');
}
if (!defined('CONFIG_PATH')) {
    define('CONFIG_PATH', SRC_ROOT . '/config');
}
if (!defined('CLASSES_PATH')) {
    define('CLASSES_PATH', SRC_ROOT . '/classes');
}
if (!defined('COMPONENTS_PATH')) {
    define('COMPONENTS_PATH', APP_ROOT . '/components');
}
if (!defined('ASSETS_PATH')) {
    define('ASSETS_PATH', APP_ROOT . '/assets');
}

// Load environment variables
require_once(CONFIG_PATH . '/env.php');

// Load database connection
require_once(CONFIG_PATH . '/connection.php');

// Load session management
require_once(CONFIG_PATH . '/session.php');

// Load core functions
require_once(CONFIG_PATH . '/functions.php');

// Optional: Set global timezone
date_default_timezone_set($_ENV['TIMEZONE'] ?? 'Africa/Johannesburg');
?>