<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class InventoryTransaction extends Model
{
    use HasFactory, SoftDeletes;

    protected $fillable = [
        'tenant_id',
        'item_id',
        'warehouse_id',
        'project_id',
        'currency_id',
        'type',
        'quantity',
        'unit_price',
        'total_price',
        'total_price_usd',
        'reference',
        'reference_number',
        'description',
        'notes',
        'created_by',
    ];

    protected $casts = [
        'quantity' => 'decimal:2',
        'unit_price' => 'decimal:2',
        'total_price' => 'decimal:2',
        'total_price_usd' => 'decimal:2',
    ];

    public function tenant()
    {
        return $this->belongsTo(Tenant::class);
    }

    public function item()
    {
        return $this->belongsTo(Item::class);
    }

    public function warehouse()
    {
        return $this->belongsTo(Warehouse::class);
    }

    public function project()
    {
        return $this->belongsTo(Project::class);
    }

    public function currency()
    {
        return $this->belongsTo(Currency::class);
    }

    public function createdBy()
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    /**
     * Scope: filter by type
     */
    public function scopeByType($query, $type)
    {
        return $query->where('type', $type);
    }
}