<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Http\Requests\Auth\LoginRequest;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use App\Models\Cart;
use Illuminate\Support\Facades\Auth;
use Illuminate\View\View;

class AuthenticatedSessionController extends Controller
{
    /**
     * Display the login view.
     */
    public function create(): View
    {
        return view('auth.login');
    }

    /**
     * Handle an incoming authentication request.
     */
    public function store(LoginRequest $request): RedirectResponse
    {
        $request->authenticate();

        $request->session()->regenerate();

        
        $this->mergeGuestCart($request);

        return redirect()->intended(route('client.dashboard', absolute: false));
    }

    protected function mergeGuestCart(Request $request): void
    {
        $guestCart = Cart::with('items')->where('session_id', $request->session()->getId())->first();
        if (! $guestCart || ! Auth::check()) {
            return;
        }

        $userCart = Cart::firstOrCreate(
            ['user_id' => Auth::id()],
            [
                'currency' => $guestCart->currency,
                'detected_country' => $guestCart->detected_country,
                'currency_source' => $guestCart->currency_source,
            ]
        );

        foreach ($guestCart->items as $item) {
            $item->update(['cart_id' => $userCart->id]);
        }

        $guestCart->delete();
    }

    /**
     * Destroy an authenticated session.
     */
    public function destroy(Request $request): RedirectResponse
    {
        Auth::guard('web')->logout();

        $request->session()->invalidate();

        $request->session()->regenerateToken();

        return redirect('/');
    }
}
