<?php

namespace App\Models;

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

#[Fillable(['user_id', 'month_id', 'description', 'amount', 'date', 'expense_type'])]
class Expense extends Model
{
    use HasFactory;

    protected $table = 'expenses';

    /**
     * Los atributos que son asignables en masa.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'user_id',
        'month_id',
        'description',
        'amount',
        'date',
        'expense_type',
    ];

    /**
     * Los atributos que deben ser convertidos.
     *
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'date' => 'date',
            'amount' => 'decimal:2',
        ];
    }

    /**
     * Relación con usuario
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    /**
     * Relación con mes
     */
    public function month(): BelongsTo
    {
        return $this->belongsTo(Month::class);
    }
}