<?php

use App\Repository\BugRepository;
use App\Repository\PatchRepository;
use App\Utils\Captcha;
use App\Utils\PatchTracker;

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

$patchTracker = $container->get(PatchTracker::class);
$patchRepository = $container->get(PatchRepository::class);

session_start();

// Authenticate
bugs_authenticate($user, $pw, $logged_in, $user_flags);

$canpatch = true;

/// Input vars
$bug_id = !empty($_REQUEST['bug']) ? (int) $_REQUEST['bug'] : 0;
if (empty($bug_id)) {
    $bug_id = !empty($_REQUEST['bug_id']) ? (int) $_REQUEST['bug_id'] : 0;
}

if (empty($bug_id)) {
    response_header('Error :: no bug selected');
    display_bug_error('No bug selected to add a patch to (no bug or bug_id!)');
    response_footer();
    exit;
}

$bugRepository = $container->get(BugRepository::class);

if (!($buginfo = $bugRepository->findOneById($bug_id))) {
    response_header('Error :: invalid bug selected');
    display_bug_error("Invalid bug #{$bug_id} selected");
    response_footer();
    exit;
}

$package_name = $buginfo['package_name'];

// captcha is not necessary if the user is logged in
if (!$logged_in) {
    $captcha = $container->get(Captcha::class);
}

$show_bug_info = bugs_has_access($bug_id, $buginfo, $pw, $user_flags);

if (!$show_bug_info) {
    response_header('Private report');
    display_bug_error("The bug #{$bug_id} is not available to public");
    response_footer();
    exit;
}

$patch_name = (!empty($_GET['patchname']) && is_string($_GET['patchname'])) ? $_GET['patchname'] : '';
$patch_name = (!empty($_POST['name']) && is_string($_POST['name'])) ? $_POST['name'] : $patch_name;
$patch_name_url = urlencode($patch_name);

if (isset($_POST['addpatch'])) {
    if (!isset($_POST['obsoleted'])) {
        $_POST['obsoleted'] = [];
    }

    // Check that patch name is given (required always)
    if (empty($patch_name)) {
        $patches = $patchRepository->findAllByBugId($bug_id);
        $errors[] = 'No patch name entered';
        include "{$ROOT_DIR}/templates/addpatch.php";
        exit;
    }

    if (!$logged_in) {
        try {
            $errors = [];

            $email = isset($_POST['email']) ? $_POST['email'] : '';

            if (!is_valid_email($email, $logged_in)) {
                $errors[] = 'Email address must be valid!';
            }

            /**
             * Check if session answer is set, then compare
             * it with the post captcha value. If it's not
             * the same, then it's an incorrect password.
             */
            if (!isset($_SESSION['answer']) || $_POST['captcha'] != $_SESSION['answer']) {
                $errors[] = 'Incorrect Captcha';
            }

            if (count($errors)) {
                throw new \Exception('');
            }

            try {
                $revision = $patchTracker->attach($bug_id, 'patch', $patch_name, $email, $_POST['obsoleted']);
            } catch (\Exception $e) {
                $patches = $patchRepository->findAllByBugId($bug_id);
                $errors[] = $e->getMessage();
                $errors[] = 'Could not attach patch "'.htmlspecialchars($patch_name).'" to Bug #'.$bug_id;
                include "{$ROOT_DIR}/templates/addpatch.php";

                exit;
            }
        } catch (\Exception $e) {
            $patches = $patchRepository->findAllByBugId($bug_id);
            include "{$ROOT_DIR}/templates/addpatch.php";
            exit;
        }
    } else {
        $email = $auth_user->email;

        try {
            $revision = $patchTracker->attach($bug_id, 'patch', $patch_name, $auth_user->email, $_POST['obsoleted']);
        } catch (\Exception $e) {
            $patches = $patchRepository->findAllByBugId($bug_id);
            $errors = [
                $e->getMessage(),
                'Could not attach patch "'.htmlspecialchars($patch_name, ENT_QUOTES).'" to Bug #'.$bug_id
            ];
            include "{$ROOT_DIR}/templates/addpatch.php";

            exit;
        }
    }

    // Add a comment to the bug report.
    $patch_url = "{$site_method}://{$site_url}{$basedir}/patch-display.php?bug={$bug_id}&patch={$patch_name_url}&revision={$revision}";

    $text = <<<TXT
The following patch has been added/updated:

Patch Name: {$patch_name}
Revision:   {$revision}
URL:        {$patch_url}
TXT;

    $res = bugs_add_comment($bug_id, $email, $auth_user->name, $text, 'patch');

    // Send emails
    mail_bug_updates($buginfo, $buginfo, $email, $text, 4, $bug_id);

    $patches = $patchRepository->findAllByBugId($bug_id);
    $errors = [];
    include "{$ROOT_DIR}/templates/patchadded.php";
    exit;
}

$email = isset($_GET['email']) ? $_GET['email'] : '';
$patches = $patchRepository->findAllByBugId($bug_id);

include "{$ROOT_DIR}/templates/addpatch.php";