from django.contrib import messages
from django.shortcuts import redirect, render
from django.http import HttpRequest, HttpResponse

from .models import User


def index(request):
    # return HttpResponse("Hello, world. You're at the polls index.")
    return render(request, 'index.html')


def register(request: HttpRequest):

    # if the form is not submitted yet, return the form
    if request.method != 'POST':
        return render(request, 'register.html', {'errors': False})

    email = request.POST.get('email')
    password = request.POST.get('password')
    confirm_password = request.POST.get('confirm_password')

    errors = False

    if not email:
        messages.error(request, 'Email is required')
        errors = True

    if not password or len(password) < 8:
        messages.error(request, 'Password must be at least 8 characters long')
        errors = True

    if password != confirm_password:
        messages.error(request, 'Passwords do not match')
        errors = True

    if not errors:

        if User.objects.filter(email=email).exists():
            messages.error(request, 'Email already exists')
        else:
            user = User.objects.create_user(
                username=username, email=email, password=password)  # type: ignore
            user.save()
            messages.success(request, 'Account created successfully')
            return redirect('login')

    return render(request, 'register.html')