<?php

namespace App\Modules\Procurement\Models;

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


class PurchaseOrder extends Model
{
    /** @use HasFactory<\Database\Factories\PurchaseOrderFactory> */
    use HasFactory;
    use \Spatie\Activitylog\Traits\LogsActivity;

    protected $fillable = [
        'code',
        'vendor_id',
        'warehouse_id',
        'user_id',
        'order_date',
        'expected_delivery_date',
        'status',
        'total_amount',
        'tax_amount',
        'grand_total',
        'remark',
    ];

    protected $casts = [
        'order_date' => 'date',
        'expected_delivery_date' => 'date',
        'total_amount' => 'decimal:2',
    ];

    public function getActivitylogOptions(): \Spatie\Activitylog\LogOptions
    {
        return \Spatie\Activitylog\LogOptions::defaults()
            ->logAll()
            ->logOnlyDirty()
            ->dontSubmitEmptyLogs();
    }

    public function tapActivity(\Spatie\Activitylog\Contracts\Activity $activity, string $eventName)
    {
        $snapshot = $activity->properties['snapshot'] ?? [];
        
        $snapshot['po_number'] = $this->code;
        
        if ($this->vendor) {
            $snapshot['vendor_name'] = $this->vendor->name;
        }
        // Warehouse relation removed in Strict Mode. Snapshot should be set via manual hydration if needed, 
        // or during the procurement process where warehouse_id is known.

        $activity->properties = $activity->properties->merge([
            'snapshot' => $snapshot
        ]);
    }

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


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