<?php

namespace App\Http\Controllers\Admin\School;

use App\Contracts\Repositories\School\LessonTeacherRepository;
use App\Http\Controllers\Controller;
use App\Repositories\Enums\ModelStatusEnum;
use App\Repositories\Enums\PermissionEnum;
use App\Repositories\Enums\ResponseCodeEnum;
use App\Repositories\Models\Base\Admin;
use App\Repositories\Models\School\Lesson;
use App\Repositories\Models\School\LessonTeacher;
use App\Repositories\Models\School\Teacher;
use Illuminate\Http\Request;
use Illuminate\Support\Arr;
use Jiannei\Response\Laravel\Support\Facades\Response;
use App\Repositories\Validators\School\LessonTeacherValidator;
use Prettus\Validator\Contracts\ValidatorInterface;

/**
 * Class LessonTeachersController.
 *
 * @package namespace App\Http\Controllers\School;
 */
class LessonTeachersController extends Controller
{
    /**
     * @var LessonTeacherRepository
     */
    protected $repository;

    /**
     * @var LessonTeacherValidator
     */
    protected $validator;

    /**
     * LessonTeachersController constructor.
     *
     * @param LessonTeacherRepository $repository
     * @param LessonTeacherValidator $validator
     */
    public function __construct(LessonTeacherRepository $repository, LessonTeacherValidator $validator)
    {
        parent::__construct();
        $this->repository = $repository;
        $this->validator = $validator;
    }

    /**
     * 列表
     * @param Request $request
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\Resource
     * Author: Mead
     */
    public function index(Request $request)
    {
        $lists = $this->repository->paginate($request->get('per_page', self::PAGE_NUM));
        return Response::success($lists);
    }

    /**
     * 选项
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\Resource
     */
    public function selectOptions()
    {
        $lists = $this->repository->skipPresenter()->select(['id', 'teacher_admin_id', 'grade_id', 'lesson_id'])->with(['teacher', 'lesson', 'grade'])->where('status', ModelStatusEnum::OK)->get();
        return Response::success($lists);
    }

    /**
     * 添加课程
     * @param Request $request
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\Resource
     * @throws \Illuminate\Validation\ValidationException
     */
    public function store(Request $request)
    {
        $this->validate($request, $this->validator->getRules(ValidatorInterface::RULE_CREATE));
        $data = $request->only(array_keys($this->validator->getRules(ValidatorInterface::RULE_CREATE)));

        $this->isCan(PermissionEnum::controller_teachLesson_add);

        //验证是否为管理员
        $admin = login_admin();
        //验证是否有选择任课老师的权限

        $this->validate($request, ['teacher_admin_id' => 'required|integer|gte:1']);
        $data['teacher_id'] = Admin::query()->where('id', $data['teacher_admin_id'])->where('type', Teacher::class)->value('type_id') ?? 0;

        $lesson = false;

        switch ($data['type']) {
            case 1:
                //新申请
                $this->validate($request, [
                    'lesson.name' => 'required',
//                    'lesson.type' => 'required|in:1,2',
                    'lesson.category_id' => 'required|integer',
                    'lesson.lesson_hour' => 'required|integer',
                    'lesson.credit' => 'required|integer',
                    'lesson.body' => 'sometimes',
                    'teacher_id' => 'required|integer',
                ]);
                $lessonData = $request->get('lesson');
                $lesson = Lesson::query()->create([
                    'name' => $lessonData['name'],
//                    'type' => $lessonData['type'],
                    'category_id' => $lessonData['category_id'],
                    'lesson_hour' => $lessonData['lesson_hour'],
                    'credit' => $lessonData['credit'],
                    'term_id' => self::$TERM_ID,
                    'status' => ModelStatusEnum::PAUSE,
                    'admin_id' => login_admin_id(),
                    'body' => $lessonData['body'],
                ]);
                break;
            case 2:
                $this->validate($request, [
                    'lesson_id' => 'required|integer',
                ]);

                //复用
                $lesson = Lesson::query()->where('id', $request->get('lesson_id'))->where('status', ModelStatusEnum::OK)->first();
                if (!$lesson) {
                    return $this->error('找不到该课');
                }
                break;
        }

        $data['lesson_id'] = $lesson->id;

        $where = Arr::only($data, ['lesson_id', 'teacher_id', 'term_id']);
        if (LessonTeacher::query()->where($where)->where('status', ModelStatusEnum::OK)->exists()) {
            return $this->error('请勿重复添加');
        }

//        $data['lesson_type'] = $lesson->type;
        $data['admin_id'] = $admin['id'];
        $data['term_id'] = self::$TERM_ID;
        $data['status'] = ModelStatusEnum::OK;
        $model = LessonTeacher::query()->create($data);
        return Response::success($model);
    }

    /**
     * 修改
     * @param Request $request
     * @param $id
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\Resource
     * @throws \Illuminate\Validation\ValidationException
     */
    public function update(Request $request, $id)
    {
        $this->validate($request, $this->validator->getRules(ValidatorInterface::RULE_UPDATE));
        $data = $request->only(array_keys($this->validator->getRules(ValidatorInterface::RULE_UPDATE)));

        $this->isCan(PermissionEnum::controller_teachLesson_add);

        $model = LessonTeacher::query()->where('id', $id)->first();
        if (!$model) {
            return $this->error('找不该课程');
        }

        //验证是否为管理员
        $admin = login_admin();
        //验证是否有选择任课老师的权限
        $this->validate($request, ['teacher_admin_id' => 'required|integer']);
//        $data['teacher_admin_id'] = Teacher::byIdGetUserId($data['teacher_id']);
        $data['teacher_id'] = Admin::query()->where('id', $data['teacher_admin_id'])->where('type', Teacher::class)->value('type_id') ?? 0;

        $lesson = false;
        switch ($model->type) {
            case 1:
                //新申请
                $this->validate($request, [
                    'lesson.id' => 'required',
                    'lesson.name' => 'required',
//                    'lesson.type' => 'required|in:1,2',
                    'lesson.category_id' => 'required|integer',
                    'lesson.lesson_hour' => 'required|integer',
                    'lesson.credit' => 'required|integer',
                    'lesson.body' => 'sometimes',
                ]);
                $lessonData = $request->get('lesson');

                $lesson = Lesson::query()->where('id', $model->lesson_id)->where('status', ModelStatusEnum::PAUSE)->first();
                if (!$lesson) {
                    return $this->error('找不到该课程');
                }

                $lesson->fill([
                    'name' => $lessonData['name'],
                    'type' => $lessonData['type'],
                    'category_id' => $lessonData['category_id'],
                    'lesson_hour' => $lessonData['lesson_hour'],
                    'credit' => $lessonData['credit'],
                    'term_id' => self::$TERM_ID,
                    'status' => ModelStatusEnum::PAUSE,
                    'admin_id' => login_admin_id(),
                    'body' => $lessonData['body'],
                ]);
                $lesson->save();
                break;
            case 2:
                $this->validate($request, [
                    'lesson_id' => 'required|integer',
                ]);

                //复用
                $lesson = Lesson::query()->where('id', $request->get('lesson_id'))->where('status', ModelStatusEnum::OK)->first();
                if (!$lesson) {
                    return $this->error('找不到该课');
                }
                break;
        }
        $model->grade_id = $data['grade_id'];
        $model->teacher_admin_id = $data['teacher_admin_id'];
        $model->teacher_id = $data['teacher_id'];
        $model->student_nums = $data['student_nums'];

        $model->save();
        return Response::success($model);
    }

    /**
     * 暂停
     * @param Request $request
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\Resource
     * @throws \Illuminate\Validation\ValidationException
     */
    public function pause(Request $request)
    {
        $this->isCan(PermissionEnum::controller_teachLesson_del);
        $this->validate($request, [
            'id' => 'required|integer',
            'type' => 'sometimes|nullable|integer',
        ]);
        $status = ModelStatusEnum::PAUSE;
        if ($request->get('type')) {
            $status = ModelStatusEnum::OK;
        }

        $re = LessonTeacher::query()->where('id', $request->get('id'))->update(['status' => $status]);
        if ($re) {
            return Response::success([]);
        }
        return $this->error('操作失败');
    }

    /**
     * 删除
     * @param $id
     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\Resources\Json\Resource
     * Author: Mead
     */
    public function destroy($id)
    {
        $this->isCan(PermissionEnum::controller_teachLesson_del);
        try {
            $this->repository->skipPresenter()->delete($id);
            return Response::success(null, T('successfully delete.'));
        } catch (\Exception $exception) {
            return Response::fail(T('Delete failed.'), ResponseCodeEnum::SERVICE_UPDATE_DATA_ERROR);
        }
    }

}