<?php
header('Content-Type: application/json');
require_once 'db/config.php';

$response = ['status' => 'error', 'message' => 'Invalid request'];

$data = json_decode(file_get_contents('php://input'), true);

if ($data) {
    try {
        $pdo = db();
        // Main booking
        $stmt = $pdo->prepare("INSERT INTO bookings (title, sport, start_time, end_time) VALUES (?, ?, ?, ?)");
        $stmt->execute([
            $data['title'],
            $data['sport'],
            $data['start'],
            $data['end']
        ]);

        // Buffer booking
        $buffer_start = $data['end'];
        $buffer_end_dt = new DateTime($buffer_start);
        $buffer_end_dt->modify('+15 minutes');
        $buffer_end = $buffer_end_dt->format('Y-m-d H:i:s');

        $stmt_buffer = $pdo->prepare("INSERT INTO bookings (title, sport, start_time, end_time) VALUES (?, ?, ?, ?)");
        $stmt_buffer->execute([
            'Buffer',
            'Buffer',
            $buffer_start,
            $buffer_end
        ]);

        $response['status'] = 'success';
        $response['message'] = 'Booking created successfully';
    } catch (Exception $e) { // Catch generic Exception
        $response['message'] = 'Database error: ' . $e->getMessage();
    }
}

echo json_encode($response);
?>