<?php

use App\Repository\BugRepository;

/**
 * This API page is used by https://svn.php.net/viewvc/SVNROOT/commit-bugs.php
 * to manage bugs automatically.
 */

session_start();

$bug_id = (isset($_REQUEST['id']) ? (int) $_REQUEST['id'] : 0);

if (!$bug_id) {
    echo json_encode(['result' => ['error' => 'Missing bug id']]);
    exit;
}

// Obtain common includes
require_once '../include/prepend.php';

if (!isset($_POST['MAGIC_COOKIE'])) {
    echo json_encode(['result' => ['error' => 'Missing token']]);
    exit;
}

if (sha1($_POST['MAGIC_COOKIE']) !== '8514f801cfba2ec74ec08264567ba291485f2765') {
    echo json_encode(['result' => ['error' => 'Invalid token']]);
    exit;
}

// fetch info about the bug into $bug
$bugRepository = $container->get(BugRepository::class);
$bug = $bugRepository->findOneById($bug_id);

if (!is_array($bug)) {
    echo json_encode(['result' => ['error' => 'No such bug']]);
    exit;
}

// Be conservative: Do not allow access to private bugs.
if ($bug['private'] === 'Y') {
    echo json_encode(['result' => ['error' => 'No access to bug']]);
    exit;
}

if (!empty($_POST['ncomment']) && !empty($_POST['user'])) {
    $user = htmlspecialchars(trim($_POST['user']));
    $ncomment = htmlspecialchars(trim($_POST['ncomment']));
    $from = "{$user}@php.net";

    try {
        /* svn log comment */
        bugs_add_comment($bug_id, $from, $user, $ncomment, 'svn');

        /* Close the bug report as requested if it is not already closed */
        if (!empty($_POST['status'])
            && $bug['status'] !== 'Closed'
            && $_POST['status'] === 'Closed') {
            /* Change the bug status to Closed */
            bugs_status_change($bug_id, 'Closed');

            $in = $bug;
            /* Just change the bug status */
            $in['status'] = $_POST['status'];

            $changed = bug_diff($bug, $in);
            if (!empty($changed)) {
                $log_comment = bug_diff_render_html($changed);
                if (!empty($log_comment)) {
                    /* Add a log of status change */
                    bugs_add_comment($bug_id, $from, '', $log_comment, 'log');
                }
            }

            /* Send a mail notification when automatically closing a bug */
            mail_bug_updates($bug, $in, $from, $ncomment, 1, $bug_id);
        }

        echo json_encode(['result' => ['status' => $bug]]);
        exit;
    } catch (Exception $e) {
        echo json_encode(['result' => ['error' => $e->getMessage()]]);
        exit;
    }
} else if (!empty($_POST['getbug'])) {
    echo json_encode(['result' => ['status' => $bug]]);
    exit;
}

echo json_encode(['result' => ['error' => 'Nothing to do']]);