<?php

namespace App\Models;

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

class SubmissionAnswer extends Model
{
    use HasFactory;

    protected $fillable = [
        'submission_id',
        'checklist_item_id',
        'value',
        'unit',
        'page_reference',
        'consultant_note',
        'officer_note',
        'validation_status',
    ];

    public function submission(): BelongsTo
    {
        return $this->belongsTo(Submission::class);
    }

    public function item(): BelongsTo
    {
        return $this->belongsTo(ChecklistItem::class, 'checklist_item_id');
    }

    public function numericValue(): ?float
    {
        return is_numeric($this->value) ? (float) $this->value : null;
    }
}