<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Question extends Model
{
    use HasFactory;

    protected $fillable = [
        'quiz_id',
        'subject_id',
        'question_text',
        'type',
        'score',
        'solution_explanation',
        'order',
    ];

    protected $casts = [
        'score' => 'float',
        'order' => 'integer',
    ];

    public function quiz()
    {
        return $this->belongsTo(Quiz::class, 'quiz_id');
    }

    public function subject()
    {
        return $this->belongsTo(QuizSubject::class, 'subject_id');
    }

    public function options()
    {
        return $this->hasMany(QuestionOption::class, 'question_id');
    }

    public function userAnswers()
    {
        return $this->hasMany(UserQuizAnswer::class, 'question_id');
    }
}