include.php

<?php
// include.php

session_start();

include_once 'config.php';
include_once "functions/language-functions.php";
include_once "functions/admin-functions.php";
include_once "functions/user-functions.php";
include_once "functions/email-functions.php";
include_once "functions/pokedex-functions.php";

require_once 'vendor/phpmailer/src/Exception.php';
require_once 'vendor/phpmailer/src/PHPMailer.php';
require_once 'vendor/phpmailer/src/SMTP.php';

// Maintenance mode check
try {
    // Fetch the maintenance mode setting
    $stmt = $pdo->prepare("SELECT setting_value FROM site_settings WHERE setting_name = 'Maintenance Mode'");
    $stmt->execute();
    $maintenanceMode = $stmt->fetchColumn();

    // Determine the current page
    $currentPage = basename($_SERVER['PHP_SELF']);

    // Allow all users access to specific pages during maintenance
    $alwaysAllowedPages = ['login.php', 'maintenance.php', 'banned.php'];

    // Redirect from maintenance.php if maintenance mode is OFF
    if ($currentPage === 'maintenance.php' && $maintenanceMode !== 'YES') {
        header("Location: index.php");
        exit;
    }

    if ($maintenanceMode === 'YES') {
        // If on an always-allowed page, let the user proceed
        if (!in_array($currentPage, $alwaysAllowedPages)) {
            // If the user is not logged in, redirect to login.php
            if (!is_user_logged_in()) {
                header("Location: login.php");
                exit;
            }

            // If the user is logged in but not an admin, redirect to maintenance.php
            if (!is_user_admin()) {
                header("Location: maintenance.php");
                exit;
            }
        }
    }

    // Check if the user is banned
    if (is_user_logged_in() && !in_array($currentPage, $alwaysAllowedPages)) {
        $stmt = $pdo->prepare("SELECT is_banned FROM users WHERE id = ?");
        $stmt->execute([$_SESSION['user_id']]);
        $isBanned = $stmt->fetchColumn();

        if ($isBanned === 'YES') {
            header("Location: banned.php");
            exit;
        }
    }
} catch (PDOException $e) {
    error_log("Error checking maintenance mode or ban status: " . $e->getMessage());
    // Optionally, display an error message or redirect to an error page
}
?>