import datetime
import time
from django.http import JsonResponse
from django.shortcuts import redirect, render
from django.urls import reverse
from ipware import get_client_ip
from django.conf import settings
from user.forms import MasterSignInForm
from user.models import LoginLog, Master, UserLog
from user.utils import check_robot, get_settings
from django.contrib.auth.models import User, Group, Permission
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.decorators import login_required
from django.contrib.sessions.models import Session
# Create your views here.

def master_login(request):
    # user_controller = user_control(request)
    # if not user_controller['has_perm']:
    #     return redirect(user_controller['redirect_uri'])
    site_settings = get_settings(request)
    if site_settings.page_name in ["", None, "None"]:
        site_settings.page_name = "login"
    ip, _=get_client_ip(request)
    next_addr = request.GET.get("next")
    if next_addr is None:
        next_addr = "/master/"
    if request.user.is_authenticated:
        logout(request)
    form = MasterSignInForm()
    page_adr = f"{site_settings.theme_name}/login.html"
    base_adr = f"{site_settings.theme_name}/base_auth.html"
    return render(request, page_adr, locals())

def master_login_submit(request):
    # user_controller = user_control(request)
    # if not user_controller['has_perm']:
    #     return JsonResponse({"error": True, "message": user_controller['message'], "redirect_url":user_controller.get('redirect_uri')}, status=user_controller['redirect_code'])

    next_addr = request.GET.get("next")
    if next_addr is None:
        next_addr = "/master/"
    if request.user.is_authenticated:
        logout(request)
    ip, _=get_client_ip(request)
    if request.method == 'POST':
        result = check_robot(request)

        if result['success']:
            password = request.POST.get('password')
            username = request.POST.get('username')
            try:
                master = Master.objects.get(user__username=username)
                if master.incorrect_num  > 2 and master.incorrect_time > time.time() - (15*60):
                    return JsonResponse({"error":True, "message":'not allowed to login', "errors":{}},status=400)
            except Exception:
                return JsonResponse({"error":True, "message":'username or password is incorrect', "errors":{}},status=400)
            user = master.user
            if f_user := authenticate(username=username, password=password):
                now = datetime.datetime.now()
                if not settings.DEBUG:
                    for s in Session.objects.filter(expire_date__gt=now):
                        if s.get_decoded().get('_auth_user_id') == str(f_user.id):
                            s.expire_date = now
                            s.save()
                login(request, f_user)
                master.incorrect_num = 0
                master.save()
                LoginLog.objects.create(user=f_user, ip=ip)
                UserLog.objects.create(user=f_user, desc="login to site", ip=ip)
                return JsonResponse({"error":False, "message":"login to site", "data":{"next_addr":next_addr}, "errors":{}},status=200)
            else:
                LoginLog.objects.create(user=user, ip=ip, success=False, failure="incorrect password")
                master.incorrect_num += 1
                master.incorrect_time = time.time()
                master.save()
                return JsonResponse({"error":True, "message":'username or password is incorrect', "errors":{}},status=400)
        else:
            return JsonResponse({"error":True, "message":"please select checkbox: you are not robot", "errors":{}},status=400)
    return render(request, "blank.html")

def logout_user(request):
    user = request.user
    ip, _=get_client_ip(request)
    if user.is_authenticated:
        logout(request)
        # messages.success(request, 'با موفقیت از پنل کاربری خود خارج شدید.')
        UserLog.objects.create(
            user=user, desc="خروج از سایت", ip=ip)
    return redirect(settings.LOGOUT_REDIRECT_URL)