import os
import platform

from django import get_version as django_version
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.forms import AuthenticationForm
from django.shortcuts import redirect, render
from django.utils import timezone

from .forms import SignUpForm


def home(request):
    """Render the landing screen with loader and environment details."""
    host_name = request.get_host().lower()
    agent_brand = "AppWizzy" if host_name == "appwizzy.com" else "Flatlogic"
    now = timezone.now()

    context = {
        "project_name": "New Style",
        "agent_brand": agent_brand,
        "django_version": django_version(),
        "python_version": platform.python_version(),
        "current_time": now,
        "host_name": host_name,
        "project_description": os.getenv("PROJECT_DESCRIPTION", ""),
        "project_image_url": os.getenv("PROJECT_IMAGE_URL", ""),
    }
    return render(request, "core/index.html", context)


def signup_view(request):
    if request.method == 'POST':
        form = SignUpForm(request.POST)
        if form.is_valid():
            user = form.save()
            login(request, user)
            return redirect('home')
    else:
        form = SignUpForm()
    return render(request, 'core/signup.html', {'form': form})


def login_view(request):
    if request.method == 'POST':
        form = AuthenticationForm(data=request.POST)
        if form.is_valid():
            user = form.get_user()
            login(request, user)
            return redirect('home')
    else:
        form = AuthenticationForm()
    return render(request, 'core/login.html', {'form': form})


def logout_view(request):
    if request.method == 'POST':
        logout(request)
        return redirect('home')