<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Document extends Model
{
    protected $table = 'document';

    use HasFactory;

    const STATUS_NOT_APPLIED = 0;
    const STATUS_APPLIED = 1;
    const TYPE_TO = 0;
    const TYPE_FROM = 1;
    protected $fillable = ['type', 'date', 'status'];

    public function products(): BelongsToMany
    {
        return $this->belongsToMany(Product::class);
    }

    public static function getTitlesOfTypes()
    {
        return [self::TYPE_TO => 'Поступление', self::TYPE_FROM => 'Расход'];
    }

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

}