---

<?php

namespace App\Models;

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

class RepairOrder extends Model
{
    use HasFactory;

    protected $fillable = [
        'order_number', 'user_id', 'car_id', 'admin_id', 'status',
        'order_date', 'completion_date', 'problem_description',
        'admin_notes', 'total_labor_cost', 'total_parts_cost', 'total_amount'
    ];

    protected $casts = [
        'order_date' => 'date',
        'completion_date' => 'date',
    ];

    public function user()
    {
        return $this->belongsTo(User::class);
    }

    public function car()
    {
        return $this->belongsTo(Car::class);
    }

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

    public function services()
    {
        return $this->belongsToMany(Service::class, 'order_services')
                    ->withPivot('quantity', 'price_at_time')
                    ->withTimestamps();
    }

    public function parts()
    {
        return $this->belongsToMany(Part::class, 'order_parts')
                    ->withPivot('quantity', 'price_at_time')
                    ->withTimestamps();
    }

    // Обновление стоимости работ
    public function updateLaborCost()
    {
        $total = $this->services->sum(function ($service) {
            return $service->pivot->quantity * $service->pivot->price_at_time;
        });
        
        $this->total_labor_cost = $total;
        $this->updateTotalAmount();
        
        return $total;
    }

    // Обновление стоимости запчастей
    public function updatePartsCost()
    {
        $total = $this->parts->sum(function ($part) {
            return $part->pivot->quantity * $part->pivot->price_at_time;
        });
        
        $this->total_parts_cost = $total;
        $this->updateTotalAmount();
        
        return $total;
    }

    // Обновление общей стоимости
    public function updateTotalAmount()
    {
        $this->total_amount = $this->total_labor_cost + $this->total_parts_cost;
        $this->saveQuietly();
        
        return $this->total_amount;
    }

    // Полный пересчёт
    public function recalculateTotals()
    {
        $this->updateLaborCost();
        $this->updatePartsCost();
        
        return $this->total_amount;
    }

    // Проверки статусов
    public function isPending()
    {
        return $this->status === 'pending';
    }

    public function isInProgress()
    {
        return $this->status === 'in_progress';
    }

    public function isCompleted()
    {
        return $this->status === 'completed';
    }

    public function isCancelled()
    {
        return $this->status === 'cancelled';
    }
}