<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use App\Enums\GoogleService;
use App\Services\GoogleOAuthService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class GoogleOAuthController extends Controller
{
    public function __construct(
        private readonly GoogleOAuthService $oauthService,
    ) {}

    public function connect(GoogleService $service): RedirectResponse
    {
        $url = $this->oauthService->getAuthorizationUrl($service);
        return redirect()->away($url);
    }

    public function callback(Request $request): RedirectResponse
    {
        $request->validate([
            'code' => 'required|string',
            'state' => 'required|string|in:' . implode(',', array_column(GoogleService::cases(), 'value')),
        ]);

        $service = GoogleService::from($request->state);

        try {
            $this->oauthService->handleCallback($request->code, $service);
            return redirect()->route('impostazioni.index', ['#google-services'])
                ->with('success', "Google {$service->label()} connected successfully.");
        } catch (\Exception $e) {
            return redirect()->route('impostazioni.index', ['#google-services'])
                ->with('error', 'Google OAuth error: ' . $e->getMessage());
        }
    }

    public function revoke(GoogleService $service): RedirectResponse
    {
        try {
            $this->oauthService->revoke($service);
            return redirect()->route('impostazioni.index', ['#google-services'])
                ->with('success', "Google {$service->label()} revoked successfully.");
        } catch (\Exception $e) {
            return redirect()->route('impostazioni.index', ['#google-services'])
                ->with('error', 'Revocation error: ' . $e->getMessage());
        }
    }

    public function status(): View
    {
        $services = [];
        foreach (GoogleService::cases() as $service) {
            $services[] = [
                'service' => $service,
                'authorized' => $this->oauthService->isAuthorized($service),
            ];
        }

        return view('google-oauth.status', ['services' => $services]);
    }
}