from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login, logout


def login_view(request):
    if request.user.is_authenticated:
        return redirect('/')

    error = None
    if request.method == 'POST':
        email = request.POST.get('email')
        password = request.POST.get('password')
        user = authenticate(request, username=email, password=password)
        if user:
            login(request, user)
            return redirect('/')
        else:
            error = 'Неверный email или пароль'

    return render(request, 'login.html', {'error': error})


def logout_view(request):
    logout(request)
    return redirect('login')