import os

from django.http import HttpResponse, HttpResponseRedirect, HttpResponseBadRequest
from django.shortcuts import render
# from django.db.models import Manager
from django.contrib.auth import authenticate, login


def default_view(request):
    return HttpResponse('Not implemented!')


def view_login(request):
    render_context = {
        'message': None
    }
    if request.method == "POST":
        username = request.POST["username"]
        password = request.POST["password"]
        user = authenticate(request, username=username, password=password)
        if user is not None:
            login(request, user)
            return HttpResponseRedirect('/')
        else:
            render_context['message'] = "Неверный логин или пароль"
            return render(request, 'account/login.html', render_context)
    elif request.method == "GET":
        return render(request, 'account/login.html', render_context)
    else:
        return HttpResponseBadRequest()