<?php

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

use App\Services\Api\BusinessContextService;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Modules\IndustrialEngineering\Models\Bom;
use Modules\IndustrialEngineering\Models\CostScenario;
use Modules\IndustrialEngineering\Models\CustomerInstalledAsset;
use Modules\IndustrialEngineering\Services\BomService;
use Modules\IndustrialEngineering\Services\CostingService;
use Modules\IndustrialEngineering\Services\SourcingService;
use Modules\IndustrialEngineering\Services\TraceabilityService;

class IndustrialEngineeringApiController extends Controller
{
    public function __construct(
        protected BusinessContextService $contextService,
        protected BomService $bomService,
        protected CostingService $costingService,
        protected TraceabilityService $traceabilityService,
        protected SourcingService $sourcingService
    ) {
    }

    protected function businessId(Request $request): int
    {
        return $this->contextService->getBusinessId($request);
    }

    public function bomTree(Request $request, $id)
    {
        $bom = Bom::forBusiness($this->businessId($request))->findOrFail($id);

        return response()->json([
            'bom' => $bom,
            'tree' => $this->bomService->buildTree($bom),
            'flat' => $this->bomService->explode($bom),
        ]);
    }

    public function buildCostScenario(Request $request)
    {
        $data = $request->validate([
            'bom_id' => 'required|integer',
            'scenario_code' => 'required|string',
            'name' => 'required|string',
            'alternate_selections' => 'nullable|array',
        ]);

        $bom = Bom::forBusiness($this->businessId($request))->findOrFail($data['bom_id']);
        $scenario = $this->costingService->buildScenario(
            $this->businessId($request),
            $bom,
            $data['scenario_code'],
            $data['name'],
            $data['alternate_selections'] ?? []
        );

        return response()->json($scenario->load('lines'));
    }

    public function compareScenarios(Request $request)
    {
        $ids = $request->input('scenario_ids', []);

        return response()->json($this->costingService->compareScenarios($ids));
    }

    public function lookup(Request $request)
    {
        $query = $request->validate(['q' => 'required|string'])['q'];

        return response()->json($this->traceabilityService->lookup($this->businessId($request), $query));
    }

    public function findStock(Request $request)
    {
        $itemId = (int) $request->input('item_master_id');

        return response()->json([
            'stock' => $this->sourcingService->findStock($this->businessId($request), $itemId),
            'suppliers' => $this->sourcingService->findSuppliers($itemId),
        ]);
    }

    public function installedAsset(Request $request, $id)
    {
        $asset = CustomerInstalledAsset::forBusiness($this->businessId($request))
            ->with(['customer', 'serializedUnit.components', 'warranties', 'lineRevision'])
            ->findOrFail($id);

        return response()->json($asset);
    }
}