<?php

namespace App\Modules\Production\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use App\Modules\Inventory\Models\Product;
use App\Modules\Inventory\Models\Warehouse;
use App\Modules\Core\Models\User;

class ProductionOrder extends Model
{
    /** @use HasFactory<\Database\Factories\ProductionOrderFactory> */
    use HasFactory;

    protected $fillable = [
        'code',
        'product_id',
        'warehouse_id',
        'output_quantity',
        'output_batch_number',
        'output_box_count',
        'production_date',
        'expiry_date',
        'user_id',
        'status',
        'remark',
    ];

    public static function generateCode()
    {
        $prefix = 'PO' . now()->format('Ymd');
        $lastOrder = self::where('code', 'like', $prefix . '%')->latest()->first();
        if ($lastOrder) {
            $lastSequence = intval(substr($lastOrder->code, -3));
            $sequence = str_pad($lastSequence + 1, 3, '0', STR_PAD_LEFT);
        } else {
            $sequence = '001';
        }
        return $prefix . $sequence;
    }

    protected $casts = [
        'order_date' => 'date',
        'start_date' => 'datetime',
        'completion_date' => 'datetime',
        'quantity' => 'decimal:2',
        'produced_quantity' => 'decimal:2',
    ];

    public function product(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Product::class);
    }

    public function warehouse(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Warehouse::class);
    }

    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function items(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(ProductionOrderItem::class);
    }
}