<?php

namespace Modules\Maintenance\Services;

use App\Business;
use Illuminate\Support\Facades\Schema;
use Modules\Maintenance\Models\Equipment;
use Modules\Maintenance\Models\SparePart;

class MaintenanceIntegrationBridgeService
{
    public function syncSparePartFromProduct(int $businessId, int $productId, ?int $variationId = null): ?SparePart
    {
        if (! Schema::hasTable('products') || ! Schema::hasTable('maintenance_spare_parts')) {
            return null;
        }

        $product = \App\Product::where('business_id', $businessId)->find($productId);
        if (! $product) {
            return null;
        }

        return SparePart::updateOrCreate(
            ['business_id' => $businessId, 'product_id' => $productId],
            [
                'part_number' => $product->sku ?? ('PRD-'.$productId),
                'name' => $product->name,
                'variation_id' => $variationId,
                'unit' => $product->unit->short_name ?? 'عدد',
            ]
        );
    }

    public function linkLineTemplateEquipment(int $lineTemplateId, int $equipmentId): bool
    {
        if (! class_exists(\Modules\IndustrialEngineering\Models\LineTemplate::class)) {
            return false;
        }

        $line = \Modules\IndustrialEngineering\Models\LineTemplate::find($lineTemplateId);
        if (! $line) {
            return false;
        }

        $line->update(['maintenance_equipment_id' => $equipmentId]);

        return true;
    }

    public function notifyManufacturingDowntime(Business $business, Equipment $equipment, float $hours): void
    {
        if (! class_exists(\Modules\Manufacturing\Entities\MfgProduction::class)) {
            return;
        }

        app(MaintenanceNotificationService::class)->notify(
            $business,
            'production_downtime',
            'توقف تولید',
            "تجهیز «{$equipment->name}» به مدت {$hours} ساعت متوقف شد — برنامه تولید را بررسی کنید.",
            null,
            ['equipment_id' => $equipment->id, 'downtime_hours' => $hours]
        );

        if (Schema::hasTable('maintenance_activity_logs')) {
            MaintenanceActivityService::log(
                $business,
                'manufacturing_bridge',
                'equipment',
                $equipment->id,
                "هشدار توقف تولید برای تجهیز {$equipment->name}"
            );
        }
    }
}