<?php

namespace App\Modules\Assessments\Domain;

use Illuminate\Database\Eloquent\Concerns\HasUlids;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Question extends Model
{
    use HasUlids;

    protected $fillable = [
        'organization_id', 'course_version_id', 'assessment_id', 'type', 'prompt',
        'configuration', 'difficulty', 'position', 'is_bank_item', 'source_question_id',
        'schema_version', 'topic', 'question_category_id', 'tags', 'explanation',
    ];

    protected function casts(): array
    {
        return ['configuration' => 'array', 'tags' => 'array', 'position' => 'integer', 'schema_version' => 'integer', 'is_bank_item' => 'boolean'];
    }

    public function questionResults(): HasMany
    {
        return $this->hasMany(QuestionResult::class);
    }

    public function category(): BelongsTo
    {
        return $this->belongsTo(QuestionCategory::class, 'question_category_id');
    }
}