<?php

namespace Modules\Maintenance\Http\Controllers\Api\V1;

use App\Http\Controllers\Controller;
use Modules\Maintenance\Models\Equipment;
use Modules\Maintenance\Models\PartReplacement;
use Modules\Maintenance\Traits\ResolvesBusiness;
use Illuminate\Http\Request;

class PartReplacementController extends Controller
{
    use ResolvesBusiness;

    public function index(Request $request)
    {
        $business = $this->resolveBusiness($request);
        if (! $business) {
            return $this->jsonError('کسب‌وکار یافت نشد.', 404);
        }

        $query = PartReplacement::where('business_id', $business->id)
            ->with(['equipment:id,code,name', 'equipmentPart:id,part_name', 'sparePart:id,part_number,name'])
            ->orderByDesc('replaced_at');

        if ($equipmentId = $request->get('equipment_id')) {
            $query->where('equipment_id', $equipmentId);
        }

        $paginator = $query->paginate((int) $request->get('per_page', 15));

        return $this->jsonSuccess([
            'items' => $paginator->items(),
            'pagination' => [
                'total' => $paginator->total(),
                'per_page' => $paginator->perPage(),
                'current_page' => $paginator->currentPage(),
                'last_page' => $paginator->lastPage(),
            ],
        ]);
    }

    public function store(Request $request)
    {
        $business = $this->resolveBusiness($request);
        if (! $business) {
            return $this->jsonError('کسب‌وکار یافت نشد.', 404);
        }

        $data = $request->validate([
            'equipment_id' => ['required', 'exists:maintenance_equipment,id'],
            'equipment_part_id' => ['nullable', 'exists:maintenance_equipment_parts,id'],
            'spare_part_id' => ['nullable', 'exists:maintenance_spare_parts,id'],
            'replaced_at' => ['required', 'date'],
            'quantity' => ['nullable', 'numeric', 'min:0'],
            'action' => ['sometimes', 'string', 'in:replaced,repaired'],
            'health_before' => ['nullable', 'numeric', 'min:0', 'max:100'],
            'health_after' => ['nullable', 'numeric', 'min:0', 'max:100'],
            'replacement_quality_grade' => ['nullable', 'string', 'max:50'],
            'service_record_id' => ['nullable', 'exists:maintenance_service_records,id'],
            'notes' => ['nullable', 'string'],
        ]);

        $equipment = Equipment::find($data['equipment_id']);
        if (! $equipment || $equipment->business_id !== $business->id) {
            return $this->jsonError('تجهیز یافت نشد.', 404);
        }

        $replacement = PartReplacement::create(array_merge($data, [
            'business_id' => $business->id,
            'performed_by' => $request->user()?->id,
            'quantity' => $data['quantity'] ?? 1,
            'action' => $data['action'] ?? 'replaced',
        ]));

        return $this->jsonSuccess($replacement->load(['equipmentPart', 'sparePart']), 'تعویض قطعه ثبت شد.', 201);
    }

    public function destroy(Request $request, PartReplacement $partReplacement)
    {
        if (! $this->ensureBusinessOwnership($request, $partReplacement->business_id)) {
            return $this->jsonError('دسترسی ندارید.', 403);
        }

        $partReplacement->delete();

        return $this->jsonSuccess(null, 'رکورد تعویض حذف شد.');
    }
}