<?php

namespace App\Models;

use App\Mixins\Certificate\MakeCertificate;
use App\Models\Traits\SequenceContent;
use Illuminate\Database\Eloquent\Model;
use Astrotomic\Translatable\Contracts\Translatable as TranslatableContract;
use Astrotomic\Translatable\Translatable;

class Quiz extends Model implements TranslatableContract
{
    use Translatable;
    use SequenceContent;

    const ACTIVE = 'active';
    const INACTIVE = 'inactive';

    public $timestamps = false;
    protected $table = 'quizzes';
    protected $guarded = ['id'];

    public $translatedAttributes = ['title'];

    public function getTitleAttribute()
    {
        return getTranslateAttributeValue($this, 'title');
    }


    public function quizQuestions()
    {
        return $this->hasMany('App\Models\QuizzesQuestion', 'quiz_id', 'id');
    }

    public function quizResults()
    {
        return $this->hasMany('App\Models\QuizzesResult', 'quiz_id', 'id');
    }

    public function creator()
    {
        return $this->belongsTo('App\User', 'creator_id', 'id');
    }

    public function webinar()
    {
        return $this->belongsTo('App\Models\Webinar', 'webinar_id', 'id');
    }

    public function teacher()
    {
        return $this->belongsTo('App\User', 'creator_id', 'id');
    }

    public function certificates()
    {
        return $this->hasMany('App\Models\Certificate', 'quiz_id', 'id');
    }

    public function chapter()
    {
        return $this->belongsTo('App\Models\WebinarChapter', 'chapter_id', 'id');
    }

    public function personalNote()
    {
        return $this->morphOne('App\Models\CoursePersonalNote', 'targetable');
    }


    public function increaseTotalMark($grade)
    {
        $total_mark = $this->total_mark + $grade;
        return $this->update(['total_mark' => $total_mark]);
    }

    public function decreaseTotalMark($grade)
    {
        $total_mark = $this->total_mark - $grade;
        return $this->update(['total_mark' => $total_mark]);
    }

    public function getUserCertificate($user, $quiz_result)
    {
        if (!empty($user) and !empty($quiz_result)) {
            $makeCertificate = (new MakeCertificate());

            return $makeCertificate->saveQuizCertificate($user, $this, $quiz_result);
        }

        return null;
    }


    public function canAccessToEdit($user = null)
    {
        if (empty($user)) {
            $user = auth()->user();
        }

        $result = false;

        if (!empty($user)) {
            $webinar = null;
            if (!empty($this->webinar_id)) {
                $webinar = Webinar::query()->find($this->webinar_id);
            }

            if ($this->creator_id == $user->id or (!empty($webinar) and $webinar->canAccess($user))) {
                $result = true;
            }
        }

        return $result;
    }
}