<?php

namespace App\Services\Course;

use App\Contracts\Repositories\Course\CourseRepository;
use App\Repositories\Criteria\Course\CategoryCriteria;
use App\Repositories\Criteria\Course\CourseCriteria;
use App\Repositories\Eloquent\Course\CourseRepositoryEloquent;
use App\Repositories\Presenters\Course\CategoryPresenter;
use App\Repositories\Presenters\Course\CoursePresenter;
use Illuminate\Http\Request;

class CourseService
{
    /**
     * @var CourseRepositoryEloquent
     */
    private $courseRepository;

    /**
     * CourseService constructor.
     *
     * @param CourseRepositoryEloquent $courseRepositoryEloquent
     */
    public function __construct(CourseRepositoryEloquent $courseRepositoryEloquent)
    {
        $this->courseRepository = $courseRepositoryEloquent;
    }

    /**
     * @param Request $request
     *
     * @return mixed
     * @throws \Prettus\Repository\Exceptions\RepositoryException
     */
    public function handleList(Request $request)
    {
        $this->courseRepository->pushCriteria(new CourseCriteria($request));
        $this->courseRepository->setPresenter(CoursePresenter::class);

        return $this->courseRepository->searchCoursesByPage();
    }

    /**
     * @param $id
     *
     * @return \Illuminate\Database\Eloquent\Model
     */
    public function handleProfile($id)
    {
        $this->courseRepository->setPresenter(CoursePresenter::class);
        return $this->courseRepository->searchCourseBy($id);
    }

    /**
     * @param array $data
     *
     * @return mixed
     * @throws \Prettus\Validator\Exceptions\ValidatorException
     */
    public function handleStore($data)
    {
        $course = $this->courseRepository->create($data);
        return $course;
    }

    /**
     * @param array $data
     *
     * @return mixed
     * @throws \Prettus\Validator\Exceptions\ValidatorException
     */
    public function handleUpdate($data)
    {
        $course = $this->courseRepository->update($data, $data['id']);
        return $course;
    }

    /**
     * @param Request $request
     *
     * @return mixed
     * @throws \Prettus\Validator\Exceptions\ValidatorException
     */
    public function handleDelete($id)
    {
        return $this->courseRepository->delete($id);
    }

    /**
     * 选项
     * @param Request $request
     * @return \Illuminate\Contracts\Pagination\LengthAwarePaginator|\Illuminate\Support\Collection|mixed
     * @throws \Prettus\Repository\Exceptions\RepositoryException
     */
    public function handleSelectOptions(Request $request)
    {
        $this->courseRepository->pushCriteria(new CourseCriteria($request));
        return $this->courseRepository->all(['id', 'title']);
    }

    /**
     * @param Request $request
     *
     * @return mixed
     * @throws \Prettus\Repository\Exceptions\RepositoryException
     */
    public function handleAll(Request $request)
    {
        $this->courseRepository->pushCriteria(new CourseCriteria($request));
        $this->courseRepository->setPresenter(CoursePresenter::class);

        return $this->courseRepository->get();
    }

    /**
     * 批量删除
     * @param $ids
     * @return mixed
     */
    public function handleBatchDelete($ids)
    {
        return $this->courseRepository->whereIn('id', $ids)->delete();
    }
}