<?php

namespace App\Http\Controllers\Admin;

use App\Exports\BaseExport;
use App\Helpers\ResponseCode;
use App\Jobs\SendCourseSms;
use App\Models\Course;
use App\Models\CourseAppointmentTotal;
use App\Models\CustomForm;
use App\Models\User;
use App\Notifications\CourseContentNotify;
use EasyWeChat\Factory;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Notification;
use Illuminate\Support\Facades\Validator;
use Maatwebsite\Excel\Facades\Excel;

class CourseController extends BaseController
{

    /**
     * 构造函数
     */
    public function __construct()
    {
        parent::__construct(new Course());
    }

    /**
     * @OA\Get(
     *     path="/api/admin/courses/index",
     *     tags={"课程管理"},
     *     summary="列表",
     *     description="",
     *     @OA\Parameter(name="is_export", in="query", @OA\Schema(type="string"), required=false, description="是否导出0否1是"),
     *     @OA\Parameter(name="export_fields", in="query", @OA\Schema(type="string"), required=false, description="需要导出的字段数组"),
     *     @OA\Parameter(name="filter", in="query", @OA\Schema(type="string"), required=false, description="查询条件。数组"),
     *     @OA\Parameter(name="show_relation", in="query", @OA\Schema(type="string"), required=false, description="需要输出的关联关系数组，包括：teacher，courseSettings，coursePeriods"),
     *     @OA\Parameter(name="page_size", in="query", @OA\Schema(type="string"), required=false, description="每页显示的条数"),
     *     @OA\Parameter(name="page", in="query", @OA\Schema(type="string"), required=false, description="页码"),
     *     @OA\Parameter(name="sort_name", in="query", @OA\Schema(type="string"), required=false, description="排序字段名字。当值是sign_status是按照课程状态排序"),
     *     @OA\Parameter(name="sort_type", in="query", @OA\Schema(type="string"), required=false, description="排序类型"),
     *     @OA\Parameter(name="has_course_forms", in="query", @OA\Schema(type="string"), required=true, description="是否有自定义表单0否1是"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="token"),
     *     @OA\Response(
     *      response="200",
     *      description="暂无"
     *     )
     * )
     */
    public function index()
    {
        $all = request()->all();
        $list = $this->model->with(underlineToHump($all['show_relation'] ?? []))
            ->withCount(['courseSigns' => function ($query) {
                $query->whereNotIn('status', [4, 5]);
            }])
            ->withCount(['courseSigns as sign_pass_total' => function ($query) {
                $query->where('status', 1)->whereHas('user');
            }])->withCount(['courseSigns as sign_wait_total' => function ($query) {
                $query->where('status', 0)->whereHas('user');
            }])->withCount(['courseSigns as sign_fault_total' => function ($query) {
                $query->where('status', 2)->whereHas('user');
            }])->withCount(['courseSigns as sign_prepare_total' => function ($query) {
                $query->where('status', 3)->whereHas('user');
            }])->withCount(['courseSigns as sign_cancel_total' => function ($query) {
                $query->where('status', 4)->whereHas('user');
            }])->withCount(['courseSigns as sign_give_up_total' => function ($query) {
                $query->where('status', 5)->whereHas('user');
            }])->withCount(['courseSigns as sign_black_total' => function ($query) {
                $query->where('status', 6)->whereHas('user');
            }])->where(function ($query) use ($all) {
                if (isset($all['has_course_forms']) && !empty($all['has_course_forms'])) {
                    $query->whereHas('courseForms');
                }

                if (isset($all['filter']) && !empty($all['filter'])) {
                    foreach ($all['filter'] as $condition) {
                        $key = $condition['key'] ?? null;
                        $op = $condition['op'] ?? null;
                        $value = $condition['value'] ?? null;
                        if (!isset($key) || !isset($op) || !isset($value)) {
                            continue;
                        }
                        // 等于
                        if ($op == 'eq') {
                            $query->where($key, $value);
                        }
                        // 不等于
                        if ($op == 'neq') {
                            $query->where($key, '!=', $value);
                        }
                        // 大于
                        if ($op == 'gt') {
                            $query->where($key, '>', $value);
                        }
                        // 大于等于
                        if ($op == 'egt') {
                            $query->where($key, '>=', $value);
                        }
                        // 小于
                        if ($op == 'lt') {
                            $query->where($key, '<', $value);
                        }
                        // 小于等于
                        if ($op == 'elt') {
                            $query->where($key, '<=', $value);
                        }
                        // 模糊搜索
                        if ($op == 'like') {
                            $query->where($key, 'like', '%' . $value . '%');
                        }
                        // 否定模糊搜索
                        if ($op == 'notlike') {
                            $query->where($key, 'not like', '%' . $value . '%');
                        }
                        // 范围搜索
                        if ($op == 'range') {
                            list($from, $to) = explode(',', $value);
                            if (empty($from) || empty($to)) {
                                continue;
                            }
                            $query->whereBetween($key, [$from, $to]);
                        }
                    }
                }
            });
        $list = $list->orderBy($all['sort_name'] ?? 'sign_status', $all['sort_type'] ?? 'asc');
        if (isset($all['is_export']) && !empty($all['is_export'])) {
            $list = $list->get()->toArray();
            $export_fields = $all['export_fields'] ?? [];
            // 导出文件名字
            $tableName = $this->model->getTable();
            $filename = (new CustomForm())->getTableComment($tableName);
            return Excel::download(new BaseExport($export_fields, $list, $tableName), $filename . date('YmdHis') . '.xlsx');
        } else {
            // 输出
            $list = $list->paginate($all['page_size'] ?? 20);
        }
        return $this->success($list);
    }

    /**
     * @OA\Get(
     *     path="/api/admin/courses/show",
     *     tags={"课程管理"},
     *     summary="详情",
     *     description="",
     *     @OA\Parameter(name="id", in="query", @OA\Schema(type="string"), required=true, description="id"),
     *     @OA\Parameter(name="show_relation", in="query", @OA\Schema(type="string"), required=false, description="需要输出的关联关系数组，填写输出指定数据"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="token"),
     *     @OA\Response(
     *      response="200",
     *      description="暂无"
     *     )
     * )
     */
    public function show()
    {
        $all = \request()->all();
        $messages = [
            'id.required' => 'Id必填',
        ];
        $validator = Validator::make($all, [
            'id' => 'required'
        ], $messages);
        if ($validator->fails()) {
            return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
        }
        $detail = $this->model->withCount('courseSigns')->with(underlineToHump($all['show_relation'] ?? []))->find($all['id']);
        return $this->success($detail);
    }

    /**
     * @OA\Post(
     *     path="/api/admin/courses/save",
     *     tags={"课程管理"},
     *     summary="更新或新增课程信息",
     *     description="根据传入的id决定是更新现有课程还是新增新的课程信息。",
     *     @OA\Parameter(name="id", in="query", @OA\Schema(type="integer"), required=true, description="课程ID（存在则更新，不存在则新增）"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="验证token"),
     *     @OA\Parameter(name="name", in="query", @OA\Schema(type="string"), description="课程名称"),
     *     @OA\Parameter(name="start_date", in="query", @OA\Schema(type="string", format="date"), description="开课日期"),
     *     @OA\Parameter(name="end_date", in="query", @OA\Schema(type="string", format="date"), description="结课日期"),
     *     @OA\Parameter(name="sign_start_date", in="query", @OA\Schema(type="string", format="date"), description="报名开始日期"),
     *     @OA\Parameter(name="sign_end_date", in="query", @OA\Schema(type="string", format="date"), description="报名结束日期"),
     *     @OA\Parameter(name="type", in="query", @OA\Schema(type="integer"), description="课程类型：接口获取"),
     *     @OA\Parameter(name="content", in="query", @OA\Schema(type="string"), description="课程内容"),
     *     @OA\Parameter(name="total", in="query", @OA\Schema(type="integer"), description="开课人数"),
     *     @OA\Parameter(name="class", in="query", @OA\Schema(type="string"), description="所在班级"),
     *     @OA\Parameter(name="price", in="query", @OA\Schema(type="string"), description="价格"),
     *     @OA\Parameter(name="is_arrange", in="query", @OA\Schema(type="integer"), description="是否排课-0否1是"),
     *     @OA\Parameter(name="is_fee", in="query", @OA\Schema(type="integer"), description="是否缴费-0否1是"),
     *     @OA\Parameter(name="status", in="query", @OA\Schema(type="integer"), description="课程状态：0待发布, 1已发布"),
     *     @OA\Parameter(name="teacher_id", in="query", @OA\Schema(type="integer"), description="班主任ID,多个英文逗号分隔"),
     *     @OA\Parameter(name="publicize_content", in="query", @OA\Schema(type="integer"), description="宣传内容"),
     *     @OA\Parameter(name="publicize_ids", in="query", @OA\Schema(type="integer"), description="宣传内容附件id数组"),
     *     @OA\Parameter(name="sign_total", in="query", @OA\Schema(type="integer"), description="报名人数，默认0不限制"),
     *     @OA\Parameter(name="image_id", in="query", @OA\Schema(type="integer"), description="图片id"),
     *     @OA\Parameter(name="qun_image_id", in="query", @OA\Schema(type="integer"), description="群图片id"),
     *     @OA\Parameter(name="is_virtual", in="query", @OA\Schema(type="integer"), description="是否虚拟课程0否1是"),
     *     @OA\Parameter(name="course_content_status", in="query", @OA\Schema(type="integer"), description="课表状态：0未发布, 1已发布"),
     *     @OA\Response(
     *         response=200,
     *         description="操作成功"
     *     )
     * )
     */
    public function save()
    {
        $all = \request()->all();
        DB::beginTransaction();
        try {
            if (isset($all['id'])) {
                $model = $this->model->find($all['id']);
                if (empty($model)) {
                    return $this->fail([ResponseCode::ERROR_BUSINESS, '数据不存在']);
                }
            } else {
                $model = $this->model;
                $all['admin_id'] = $this->getUserId();
                $all['department_id'] = $this->getUser()->department_id;
            }
            $original = $model->getOriginal();
            $model->fill($all);
            $model->save();
            DB::commit();
            // 更改状态
            $model = Course::updateSignStatus($model->id);
            $model = Course::updateStatus($model->id);
            if ($model->status == 1 && $model->start_date) {
                CourseAppointmentTotal::addByCourse($model->id);
            }
            // 记录日志
            $this->saveLogs($original, $model);
            return $this->success($model);
        } catch (\Exception $exception) {
            DB::rollBack();
            return $this->fail([$exception->getCode(), $exception->getMessage()]);
        }
    }

    /**
     * @OA\Get(
     *     path="/api/admin/courses/destroy",
     *     tags={"课程管理"},
     *     summary="删除",
     *     description="",
     *     @OA\Parameter(name="id", in="query", @OA\Schema(type="string"), required=true, description="id"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="token"),
     *     @OA\Response(
     *      response="200",
     *      description="暂无"
     *     )
     * )
     */
    public function destroy()
    {
        return parent::destroy();
    }

    /**
     * @OA\Post(
     *     path="/api/admin/courses/excel-show",
     *     tags={"课程管理"},
     *     summary="导入预览",
     *     description="",
     *     @OA\Parameter(name="file", in="query", @OA\Schema(type="string"), required=true, description="文件"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="token"),
     *     @OA\Response(
     *      response="200",
     *      description="暂无"
     *     )
     * )
     */
    public function excelShow()
    {
        return parent::excelShow();
    }

    /**
     * @OA\Post(
     *     path="/api/admin/courses/import",
     *     tags={"课程管理"},
     *     summary="导入",
     *     description="",
     *     @OA\Parameter(name="data", in="query", @OA\Schema(type="string"), required=true, description="导入分析获取到的二维数组"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="token"),
     *     @OA\Response(
     *      response="200",
     *      description="暂无"
     *     )
     * )
     */
    public function import()
    {
        return parent::import();
    }

    /**
     * @OA\Get(
     *     path="/api/admin/courses/qrcode",
     *     tags={"课程管理"},
     *     summary="报名二维码",
     *     description="",
     *     @OA\Parameter(name="id", in="query", @OA\Schema(type="string"), required=true, description="id"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="token"),
     *     @OA\Response(
     *      response="200",
     *      description="暂无"
     *     )
     * )
     */
    public function qrcode()
    {
        $all = \request()->all();
        $messages = [
            'id.required' => 'Id必填',
        ];
        $validator = Validator::make($all, [
            'id' => 'required'
        ], $messages);
        if ($validator->fails()) {
            return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
        }
        $url = (new Course())->getCourseQrcode($all['id']);
        return $this->success($url);
    }

    /**
     * @OA\Get(
     *     path="/api/admin/courses/send-sms",
     *     tags={"课程管理"},
     *     summary="发送短信通知",
     *     description="",
     *     @OA\Parameter(name="id", in="query", @OA\Schema(type="string"), required=true, description="id"),
     *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="token"),
     *     @OA\Response(
     *      response="200",
     *      description="暂无"
     *     )
     * )
     */
    public function sendSms()
    {
        $all = \request()->all();
        $messages = [
            'id.required' => 'Id必填',
        ];
        $validator = Validator::make($all, [
            'id' => 'required'
        ], $messages);
        if ($validator->fails()) {
            return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
        }
        $detail = $this->model->find($all['id']);
        // 获取学员列表
        $users = User::whereHas('courseSigns', function ($query) use ($detail) {
            $query->where('status', 1)->where('course_id', $detail->id);
        })->whereNotNull('mobile')->get();
        foreach ($users as $user) {
            $data = ['course_id' => $detail->id];
            Notification::send($user, new CourseContentNotify($data));
        }
        return $this->success("发送成功");
    }

}