from django.core.mail import send_mail
from django.http import JsonResponse
from django.contrib.auth import authenticate, login, logout
from django.views.decorators.csrf import csrf_exempt, ensure_csrf_cookie

from .form import UserRegisterForm
from .models import Account
from django.contrib.auth.models import User


@ensure_csrf_cookie
def user_login(request):
    if request.method == 'POST':
        data = request.POST
        # 检测账号密码是否匹配数据库中的一个用户
        # 如果均匹配，则返回此User对象
        user = authenticate(username=data['username'], password=data['password'])
        if user:
            login(request, user)
            res = {
                'code': '402',
                'message': 'Login Successfully'
            }
            return JsonResponse(res)
        else:
            res = {
                'code': '403',
                'message': 'The Username Or Password Is Incorrect'
            }
            return JsonResponse(res)
    else:
        # 请求方法错误，请使用POST
        res = {
            'code': '401',
            'message': 'Please Use POST'
        }
        return JsonResponse(res)


def user_is_logged(request):
    if request.user.is_authenticated:
        res = {
            'code': '402',
            'message': 'You\'ve Logged In'
        }
        return JsonResponse(res)
    else:
        res = {
            'code': '401',
            'message': 'You\'re Not Logged in'
        }
        return JsonResponse(res)


@ensure_csrf_cookie
def user_register(request):
    if request.method == 'POST':
        user_register_form = UserRegisterForm(data=request.POST)
        if user_register_form.is_valid():
            # 新建一个user，但是不提交
            new_user = user_register_form.save(commit=False)
            new_user.set_password(request.POST['password'])
            # 保存
            new_user.save()
            account = Account()
            account.user = new_user
            account.profile = '这个人很懒，没有写个人简介'
            account.save()
            res = {
                'code': '402',
                'message': 'Registered Successfully'
            }
            return JsonResponse(res)
        else:
            res = {
                'code': '403',
                'message': 'Data Formatting Error'
            }
            return JsonResponse(res)
    else:
        # 请求方法错误，请使用POST
        res = {
            'code': '401',
            'message': 'Please Use POST'
        }
        return JsonResponse(res)


@ensure_csrf_cookie
def user_logout(request):
    logout(request)
    res = {
        'code': '402',
        'message': 'Logout Successfully'
    }
    return JsonResponse(res)


@csrf_exempt
def user_check(request):
    if request.method == 'POST':
        user = User.objects.filter(username=request.POST['username'], email=request.POST['email']).get()
        if user:
            print('233ok1')
            send = send_mail('Shellmiao的博客——重置账号密码',
                             user.password,
                             'shellmiao@shellmiao.com',
                             [user.email])
            print('233ok2')
            if send == 1:
                res = {
                    'code': '402',
                    'message': 'Email Sent Successfully'
                }
                return JsonResponse(res)
            else:
                res = {
                    'code': '403',
                    'message': 'Failed To Send Mail'
                }
                return JsonResponse(res)
    else:
        # 请求方法错误，请使用POST
        res = {
            'code': '401',
            'message': 'Please Use POST'
        }
        return JsonResponse(res)


@csrf_exempt
def user_confirm(request):
    if request.method == 'POST':
        user = User.objects.filter(password=request.POST['code']).get()
        if user:
            res = {
                'code': '402',
                'message': 'Confirm Successfully'
            }
            return JsonResponse(res)
        else:
            res = {
                'code': '403',
                'message': 'Failed To Confirm'
            }
            return JsonResponse(res)
    else:
        # 请求方法错误，请使用POST
        res = {
            'code': '401',
            'message': 'Please Use POST'
        }
        return JsonResponse(res)


@csrf_exempt
def user_reset(request):
    if request.method == 'POST':
        user = User.objects.filter(password=request.POST['code']).get()
        if user:
            user.set_password(request.POST['password'])
            user.save()
            res = {
                'code': '402',
                'message': 'Reset Successfully'
            }
            return JsonResponse(res)
        else:
            res = {
                'code': '403',
                'message': 'Failed To Reset'
            }
            return JsonResponse(res)
    else:
        # 请求方法错误，请使用POST
        res = {
            'code': '401',
            'message': 'Please Use POST'
        }
        return JsonResponse(res)