<?php

declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

final class Answer extends Model
{
    /**
     * Fillable attributes for mass assignment.
     */
    protected $fillable = [
        'session_id',
        'question_id',
        'value',
        'text_value',
    ];

    /**
     * Cast attributes to specific types.
     */
    protected function casts(): array
    {
        return [
            'session_id' => 'integer',
            'question_id' => 'integer',
        ];
    }

    /**
     * Get the session that owns this answer.
     */
    public function session(): BelongsTo
    {
        return $this->belongsTo(Session::class);
    }

    /**
     * Get the question that this answer belongs to.
     */
    public function question(): BelongsTo
    {
        return $this->belongsTo(Question::class);
    }
}