<?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;
use Illuminate\Database\Eloquent\Relations\HasMany;

#[Fillable(['user_id', 'name', 'year', 'status', 'isr_table_id'])]
class Month extends Model
{
    use HasFactory;

    protected $table = 'months';

    /**
     * Los atributos que son asignables en masa.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'user_id',
        'name',
        'year',
        'status',
        'isr_table_id',
    ];

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

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

    /**
     * Relación con ventas diarias
     */
    public function dailySales(): HasMany
    {
        return $this->hasMany(DailySale::class);
    }

    /**
     * Relación con gastos
     */
    public function expenses(): HasMany
    {
        return $this->hasMany(Expense::class);
    }

    /**
     * Relación con tabla ISR
     */
    public function isrTable(): BelongsTo
    {
        return $this->belongsTo(IsrTable::class);
    }

    /**
     * Obtener el nombre del mes con formato
     */
    public function getDisplayNameAttribute(): string
    {
        return $this->name . ' ' . $this->year;
    }

    /**
     * Calcular ventas totales del mes
     */
    public function getTotalUserSalesAttribute(): float
    {
        return $this->dailySales()->sum('user_sales');
    }

    /**
     * Calcular ventas del sistema
     */
    public function getTotalSystemSalesAttribute(): float
    {
        return $this->dailySales()->sum('system_sales');
    }

    /**
     * Calcular gastos totales del mes
     */
    public function getTotalExpensesAttribute(): float
    {
        return $this->expenses()->sum('amount');
    }
}