<?php
namespace App\Services;

use App\Models\UserLectureRelation;
use App\Models\WorkstationLectureRelation;
use App\Models\Lecture; // 确保引入 Lecture 模型
use App\Traits\PageTrait;

class LectureService
{
    use PageTrait;

    public function getList($condition, $sort = 'id', $sortable = 'desc')
    {
        $query = Lecture::query();
        $query->select(
            'id',
            'title',
            'start_time',
            'end_time',
            'status',
            'master_id'
        );
        // 使用 whereIn 方法筛选 lecture_id 在 $lectureIdArr 数组中的记录
        // 搜索
        if (isset($condition['keywords']) && $condition['keywords']) {
            $query->where('title', 'like', '%' . $condition['keywords'] . '%');
        }

        // 排序
        $query->orderBy($sort, $sortable);

        // 执行查询并返回结果
        return self::JsonPage($query);
    }
    public function getListForExpert($condition, $sort = 'id', $sortable = 'desc')
    {
        $userId = auth('expert')->user()->id;
        $userLectureIdArr = UserLectureRelation::query()->where('user_id', $userId)->pluck('lecture_id')->toArray();
        if(empty($userLectureIdArr)){
            return [
                'list' => [],
                'count' => 0,
                'current_page' => 1,
                'page_size' => 15,
            ];
        }
        $query = Lecture::query();
        $query->select(
            'id',
            'title',
            'start_time',
            'end_time',
            'status'
        );
        // 使用 whereIn 方法筛选 lecture_id 在 $lectureIdArr 数组中的记录
        $query->whereIn('id', $userLectureIdArr);

        // 搜索
        if (isset($condition['keywords']) && $condition['keywords']) {
            $query->where('title', 'like', '%' . $condition['keywords'] . '%');
        }
        if (isset($condition['status']) && $condition['status'] !== NULL) {
            $query->where('status',  $condition['status']);
        }

        // 排序
        $query->orderBy($sort, $sortable);

        // 执行查询并返回结果
        return self::JsonPage($query);
    }


    public function getListForGrider($condition, $sort = 'id', $sortable = 'desc')
    {
        $userId = auth('grider')->user()->id;
        $userLectureIdArr = UserLectureRelation::query()->where('user_id', $userId)->pluck('lecture_id')->toArray();
        $workstationLectureIdArr = WorkstationLectureRelation::query()->where('workstation_id', 'abc')->pluck('lecture_id')->toArray();
        $lectureIdArr = array_merge($userLectureIdArr, $workstationLectureIdArr);
        if(empty($lectureIdArr)){
            return [
                'list' => [],
                'count' => 0,
                'current_page' => 1,
                'page_size' => 15,
            ];
        }
        $query = Lecture::query();
        $query->select(
            'id',
            'title',
            'start_time',
            'end_time',
            'status'
        );
        // 使用 whereIn 方法筛选 lecture_id 在 $lectureIdArr 数组中的记录
        $query->whereIn('id', $lectureIdArr);

        // 搜索
        if (isset($condition['keywords']) && $condition['keywords']) {
            $query->where('title', 'like', '%' . $condition['keywords'] . '%');
        }
        if (isset($condition['status']) && $condition['status'] !== NULL) {
            $query->where('status',  $condition['status']);
        }

        // 排序
        $query->orderBy($sort, $sortable);

        // 执行查询并返回结果
        return self::JsonPage($query);
    }
}