<?php

namespace Modules\IntegrationHub\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Modules\IntegrationHub\Models\IhOdataToken;
use Modules\IntegrationHub\Services\ODataExportService;

class ODataController extends Controller
{
    public function datasets(ODataExportService $odataService)
    {
        return response()->json([
            'value' => collect($odataService->availableDatasets())->map(fn ($dataset) => [
                'name' => $dataset,
                'url' => url("/integrationhub/api/odata/{$dataset}"),
            ])->values(),
        ]);
    }

    public function show(Request $request, string $dataset, ODataExportService $odataService)
    {
        $businessId = (int) $request->attributes->get('ih_business_id');

        if (! in_array($dataset, $odataService->availableDatasets(), true)) {
            return response()->json(['error' => 'Dataset not found'], 404);
        }

        $filters = $request->only(['start_date', 'end_date', 'location_id', 'low_stock_only', '$top']);

        try {
            $payload = $odataService->dataset($businessId, $dataset, $filters);

            return response()->json($payload);
        } catch (\InvalidArgumentException $e) {
            return response()->json(['error' => $e->getMessage()], 404);
        }
    }

    public function indexTokens(Request $request)
    {
        if (! auth()->user()->can('integrationhub.manage_tokens')) {
            abort(403);
        }

        $business_id = (int) $request->session()->get('user.business_id');
        $tokens = IhOdataToken::forBusiness($business_id)->latest('id')->paginate(20);
        $datasets = app(ODataExportService::class)->availableDatasets();

        return view('integrationhub::odata_tokens.index', compact('tokens', 'datasets'));
    }

    public function createToken(Request $request)
    {
        if (! auth()->user()->can('integrationhub.manage_tokens')) {
            abort(403);
        }

        $datasets = app(ODataExportService::class)->availableDatasets();

        return view('integrationhub::odata_tokens.create', compact('datasets'));
    }

    public function storeToken(Request $request)
    {
        if (! auth()->user()->can('integrationhub.manage_tokens')) {
            abort(403);
        }

        $validated = $request->validate([
            'name' => 'required|string|max:191',
            'scopes' => 'nullable|array',
            'scopes.*' => 'string',
            'expires_at' => 'nullable|date|after:now',
        ]);

        $business_id = (int) $request->session()->get('user.business_id');
        $plainToken = IhOdataToken::generatePlainToken();

        IhOdataToken::create([
            'business_id' => $business_id,
            'name' => $validated['name'],
            'token_hash' => IhOdataToken::hashToken($plainToken),
            'scopes' => $validated['scopes'] ?? ['*'],
            'expires_at' => $validated['expires_at'] ?? null,
        ]);

        return redirect()
            ->action([self::class, 'indexTokens'])
            ->with('status', ['success' => 1, 'msg' => __('integrationhub::lang.token_created')])
            ->with('plain_token', $plainToken);
    }

    public function destroyToken(Request $request, $id)
    {
        if (! auth()->user()->can('integrationhub.manage_tokens')) {
            abort(403);
        }

        $business_id = (int) $request->session()->get('user.business_id');
        $token = IhOdataToken::forBusiness($business_id)->findOrFail($id);
        $token->delete();

        return redirect()
            ->action([self::class, 'indexTokens'])
            ->with('status', ['success' => 1, 'msg' => __('integrationhub::lang.token_deleted')]);
    }
}