<?php

declare(strict_types=1);

namespace App\Http\Controllers\Api\Admin\Provider;

use App\Http\Controllers\Controller;
use App\Models\vCenter;
use App\Services\VirtualMachine\VmProviderSettingsService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;

/**
 * Reads / writes the provider config blob in setting key=`provider`.
 *
 * active_vcenter_id is read-only here — it mirrors module_vcenter.status=1.
 * To switch the active vCenter, call ActiveInfraController::activate().
 */
class ProviderSettingController extends Controller
{
    public function __construct(private readonly VmProviderSettingsService $service)
    {
    }

    /** GET /administrator/provider/settings */
    public function index(): JsonResponse
    {
        $data = $this->service->all();

        // Mirror current truth: active vCenter id from module_vcenter
        $data['active_vcenter_id'] = vCenter::where('status', 1)->value('id');

        return response()->json([
            'error' => false,
            'data'  => $data,
        ]);
    }

    /** PUT /administrator/provider/settings */
    public function update(Request $request): JsonResponse
    {
        $validator = Validator::make($request->all(), [
            'default_folder'        => 'sometimes|string|max:100',
            'default_resource_pool' => 'sometimes|string|max:100',
            'default_datastore'     => 'sometimes|string|max:100',
            'name'                  => 'sometimes|nullable|string|max:120',
            'region'                => 'sometimes|nullable|string|max:60',
            'tags'                  => 'sometimes|array',
            'tags.*'                => 'string|max:40',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'error'   => true,
                'message' => $validator->errors()->first(),
            ], 422);
        }

        $patch = $validator->validated();

        // active_vcenter_id is read-only — strip if client sent it
        unset($patch['active_vcenter_id']);

        $merged = $this->service->merge($patch);
        $merged['active_vcenter_id'] = vCenter::where('status', 1)->value('id');

        return response()->json([
            'error' => false,
            'data'  => $merged,
        ]);
    }
}