<?php
/**
 * @copyright Copyright (c) 2021 深圳市酷瓜软件有限公司
 * @license https://opensource.org/licenses/GPL-2.0
 * @link https://www.koogua.com
 */

namespace App\Services\Logic\Review;

use App\Models\Course as CourseModel;
use App\Models\CourseUser as CourseUserModel;
use App\Models\Review as ReviewModel;
use App\Repos\Course as CourseRepo;
use App\Services\CourseStat as CourseStatService;
use App\Services\Logic\CourseTrait;
use App\Services\Logic\Point\History\CourseReview as CourseReviewPointHistory;
use App\Services\Logic\ReviewTrait;
use App\Services\Logic\Service as LogicService;
use App\Validators\CourseUser as CourseUserValidator;

class ReviewCreate extends LogicService
{

    use CourseTrait;
    use ReviewTrait;
    use ReviewDataTrait;

    public function handle()
    {
        $post = $this->request->getPost();

        $course = $this->checkCourse($post['course_id']);

        $user = $this->getLoginUser();

        $validator = new CourseUserValidator();

        $courseUser = $validator->checkCourseUser($course->id, $user->id);

        $validator->checkIfReviewed($course->id, $user->id);

        $data = $this->handlePostData($post);

        $data['course_id'] = $course->id;
        $data['owner_id'] = $user->id;
        $data['published'] = ReviewModel::PUBLISH_PENDING;

        $review = new ReviewModel();

        $review->create($data);

        $this->updateCourseUserReview($courseUser);
        $this->recountCourseReviews($course);
        $this->updateCourseRating($course);
        $this->handleReviewPoint($review);

        $this->eventsManager->fire('Review:afterCreate', $this, $review);

        return $review;
    }

    protected function updateCourseUserReview(CourseUserModel $courseUser)
    {
        $courseUser->reviewed = 1;

        $courseUser->update();
    }

    protected function updateCourseRating(CourseModel $course)
    {
        $service = new CourseStatService();

        $service->updateRating($course->id);
    }

    protected function recountCourseReviews(CourseModel $course)
    {
        $courseRepo = new CourseRepo();

        $reviewCount = $courseRepo->countReviews($course->id);

        $course->review_count = $reviewCount;

        $course->update();
    }

    protected function handleReviewPoint(ReviewModel $review)
    {
        $service = new CourseReviewPointHistory();

        $service->handle($review);
    }

}