# -*- coding: utf-8 -*-

from django.contrib.auth.hashers import make_password, check_password
from django.contrib.auth.models import User, Group
from django.http import JsonResponse

from rest_framework import viewsets

from account.models import LensmanInfo, UserInfo, UserLoginLogInfo
from account.serializers import UserSerializer, GroupSerializer, LensmanInfoSerializer, UserInfoSerializer

from utils.ip_utils import ip_addr

from curtail_uuid import CurtailUUID
from TimeConvert import TimeConvert as tc


# curl -X POST -F username=xxxxxxx -F password=xxxxxxx http://api.xfoto.com.cn/login
def lesman_login_api(request):
    username = request.POST.get('username', '')
    password = request.POST.get('password', '')

    try:
        lensman = LensmanInfo.objects.get(username=username)
    except LensmanInfo.DoesNotExist:
        return JsonResponse({
            'status': 4000,
            'message': u'用户不存在',
        })

    if not check_password(password, lensman.encryption):
        return JsonResponse({
            'status': 4001,
            'message': u'用户密码错误',
        })

    return JsonResponse({
        'status': 200,
        'message': u'登录成功',
        'data': {
            'user': lensman.lensman_id
        },
    })


def user_is_registered_api(request):
    username = request.POST.get('username', '')
    return JsonResponse({
        'status': 200,
        'message': '',
        'data': {
            'registered': UserInfo.objects.filter(username=username).exists(),
        }
    })


def user_signup_api(request):
    username = request.POST.get('username', '')
    password = request.POST.get('password', '')

    if UserInfo.objects.filter(username=username).exists():
        return JsonResponse({
            'status': 4010,
            'message': u'该用户名已注册',
        })

    user = UserInfo.objects.create(
        user_id=CurtailUUID.uuid(UserInfo, 'user_id'),
        username=username,
        password=make_password(password, None, 'pbkdf2_sha256'),
        user_status=UserInfo.ACTIVATED,
        signup_ip=ip_addr(request),
    )

    return JsonResponse({
        'status': 200,
        'message': u'注册成功',
        'data': user.data,
    })


def user_login_api(request):
    username = request.POST.get('username', '')
    password = request.POST.get('password', '')

    try:
        user = UserInfo.objects.get(username=username)
    except UserInfo.DoesNotExist:
        return JsonResponse({
            'status': 4011,
            'message': u'用户不存在',
        })

    login_ip, login_at = ip_addr(request), tc.utc_datetime()

    if not check_password(password, user.password):
        UserLoginLogInfo.objects.create(
            user_id=user.user_id,
            login_ip=login_ip,
            login_result=UserLoginLogInfo.PWD_ERROR
        )
        return JsonResponse({
            'status': 4012,
            'message': u'用户密码错误',
        })

    UserLoginLogInfo.objects.create(
        user_id=user.user_id,
        login_ip=login_ip,
        login_result=UserLoginLogInfo.SUCCESS
    )

    user.login_ip = login_ip
    user.login_at = login_at
    user.save()

    return JsonResponse({
        'status': 200,
        'message': u'登录成功',
        'data': user.data,
    })


class UserViewSet(viewsets.ModelViewSet):
    """
    API endpoint that allows users to be viewed or edited.
    """
    queryset = User.objects.all().order_by('-date_joined')
    serializer_class = UserSerializer


class GroupViewSet(viewsets.ModelViewSet):
    """
    API endpoint that allows groups to be viewed or edited.
    """
    queryset = Group.objects.all()
    serializer_class = GroupSerializer


class LensmanInfoViewSet(viewsets.ModelViewSet):
    queryset = LensmanInfo.objects.all().order_by('-created_at')
    serializer_class = LensmanInfoSerializer


class UserInfoViewSet(viewsets.ModelViewSet):
    queryset = UserInfo.objects.all().order_by('-created_at')
    serializer_class = UserInfoSerializer