<?php
session_start();

if (!isset($_SESSION['user_id'])) {
    header('Location: login.php');
    exit();
}

if (!isset($_GET['id'])) {
    header('Location: index.php');
    exit();
}

require_once 'db/config.php';

$event_id = $_GET['id'];
$user_id = $_SESSION['user_id'];

try {
    $conn = db();
    $stmt = $conn->prepare("INSERT INTO tickets (user_id, event_id) VALUES (:user_id, :event_id)");
    $stmt->bindParam(':user_id', $user_id, PDO::PARAM_INT);
    $stmt->bindParam(':event_id', $event_id, PDO::PARAM_INT);
    $stmt->execute();

    header('Location: my_tickets.php?success=ticket_purchased');
    exit();
} catch (PDOException $e) {
    // Handle database error
    header('Location: event_details.php?id=' . $event_id . '&error=db_error');
    exit();
}