<?php


namespace App\Models;


use EasyWeChat\Factory;
use Illuminate\Filesystem\Filesystem;

class CourseContent extends SoftDeletesModel
{
    protected $casts = ['publicize_ids' => 'json', 'file_ids' => 'json'];

    protected $appends = ['publicize', 'files'];

    public function getFilesAttribute($value)
    {
        if (empty($this->file_ids)) return [];
        return Upload::whereIn('id', $this->file_ids)->get();
    }

    public function getPublicizeAttribute($value)
    {
        if (empty($this->publicize_ids)) return [];
        return Upload::whereIn('id', $this->publicize_ids)->get();
    }

    public function course()
    {
        return $this->hasOne(Course::class, 'id', 'course_id');
    }

    public function coursePeriod()
    {
        return $this->hasOne(CoursePeriod::class, 'id', 'course_period_id');
    }

    public function courseSetting()
    {
        return $this->hasOne(CourseSetting::class, 'id', 'course_setting_id');
    }

    public function teacher()
    {
        return $this->hasOne(Teacher::class, 'id', 'teacher_id');
    }

    public function courseKeeps()
    {
        return $this->hasMany(CourseKeep::class, 'course_content_id', 'id');
    }

    public function courseSigns()
    {
        return $this->hasMany(CourseSign::class, 'course_id', 'course_id');
    }

    public function courseContentEvaluation()
    {
        return $this->hasOne(CourseContentEvaluation::class, 'course_content_id', 'id');
    }

    public function courseContentEvaluationAsks()
    {
        return $this->hasMany(CourseContentEvaluationAsk::class, 'course_content_id', 'id');
    }

//    public function directionDetail()
//    {
//        return $this->hasOne(ParameterDetail::class, 'id', 'direction');
//    }

    /**
     * 获取课程详情小程序码
     */
    public function getCourseContentCheckQrcode($courseContentId)
    {
        $courseContent = self::find($courseContentId);
        $path = config('filesystems.disks.public.root') . '/course_content_qrcode/' . $courseContent->id . '.png';
        $url = config('filesystems.disks.public.url') . '/course_content_qrcode/' . $courseContent->id . '.png';
        $fileSys = new Filesystem();
        if ($fileSys->exists($path)) {
            return $url;
        }
        $config = [
            'app_id' => \config('app.applet_appid'),
            'secret' => \config('app.applet_secret')
        ];
        $app = Factory::miniProgram($config);
        $tmp = $app->app_code->get('/packages/sign/index?course_content_id=' . $courseContentId, [
            'env_version' => "release"  //  正式版
            //'env_version' => "trial"  // 体验版
        ]);
        $dir = dirname($path);
        $fileSys->ensureDirectoryExists($dir, 0755, true);
        $fileSys->put($path, $tmp);
        return $url;
    }

}