<?php
session_start();

if (!isset($_SESSION['user_id'])) {
    header("HTTP/1.1 401 Unauthorized");
    exit();
}

require_once 'db/config.php';

if (isset($_GET['id'])) {
    $event_id = $_GET['id'];
    $pdo = db();
    $stmt = $pdo->prepare("SELECT c.*, t.name as type_name FROM calendar_events c LEFT JOIN event_types t ON c.event_type_id = t.id WHERE c.id = ?");
    $stmt->execute([$event_id]);
    $event = $stmt->fetch(PDO::FETCH_ASSOC);

    if ($event) {
        header('Content-Type: application/json');
        echo json_encode($event);
    } else {
        header("HTTP/1.1 404 Not Found");
    }
} else {
    header("HTTP/1.1 400 Bad Request");
}