<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class UnitEquivalence extends Model
{
    protected $fillable = [
        'inventory_id',
        'unit_of_measure_id',
        'conversion_factor',
        'retail_price',
        'is_active',
    ];

    protected $casts = [
        'conversion_factor' => 'decimal:3',
        'retail_price' => 'decimal:2',
        'is_active' => 'boolean',
    ];

    public function inventory()
    {
        return $this->belongsTo(Inventory::class);
    }

    public function unitOfMeasure()
    {
        return $this->belongsTo(UnitOfMeasurement::class);
    }

    public function scopeActive($query)
    {
        return $query->where('is_active', true);
    }
}