from apps.auth1.services import check_phone_code
from apps.auth1.views import get_tokens_for_user
from apps.system.models import User
from apps.utils.tools import ranstr
from apps.utils.viewsets import CustomGenericViewSet, CustomModelViewSet
from apps.vm.models import Visit, Visitor, Vpeople
from apps.vm.serializers import (VisitCreateUpdateSerializer, VisitDetailSerializer,
                                 VisitSerializer, VisitorCreateSerializer, VisitorRegisterSerializer, VisitorSerializer,
                                 VpeopleCreateSerializer, VpeopleSerializer)
from rest_framework.decorators import action
from rest_framework.response import Response
from rest_framework.exceptions import ParseError
from rest_framework.mixins import ListModelMixin, RetrieveModelMixin, CreateModelMixin, DestroyModelMixin
from django.contrib.auth.hashers import make_password
from django.db import transaction
from rest_framework.serializers import Serializer

from apps.vm.services import visit_driver_end
# Create your views here.


class VisitViewSet(CustomModelViewSet):
    perms_map = {'*': '*'}
    queryset = Visit.objects.all()
    create_serializer_class = VisitCreateUpdateSerializer
    update_serializer_class = VisitCreateUpdateSerializer
    serializer_class = VisitSerializer
    retrieve_serializer_class = VisitDetailSerializer
    filterset_fields = ['state', 'create_by']
    select_related_fields = ['ticket', 'receptionist', 'ticket__workflow', 'ticket__state']

    def get_queryset(self):
        user = self.request.user
        queryset = super().get_queryset()
        if hasattr(user, 'type') and user.type == 'visitor':
            queryset = queryset.filter(create_by=user)
        return queryset

    def create(self, request, *args, **kwargs):
        user = self.request.user
        if hasattr(user, 'type') and user.type == 'visitor' and user.employee.photo is None:
            raise ParseError('请先完善个人信息')
        return super().create(request, *args, **kwargs)

    def update(self, request, *args, **kwargs):
        obj = self.get_object()
        if obj.state != Visit.V_CREATE:
            raise ParseError('项目非创建状态不可更改')
        return super().update(request, *args, **kwargs)

    def destroy(self, request, *args, **kwargs):
        obj = self.get_object()
        if obj.state != Visit.V_CREATE:
            raise ParseError('项目非创建状态不可删除')
        return super().destroy(request, *args, **kwargs)

    @action(methods=['post'], detail=True, permission_classes=[],
            serializer_class=Serializer)
    @transaction.atomic
    def submit(self, request, *args, **kwargs):
        """司机直接提交不走工单

        司机直接提交不走工单
        """
        obj = self.get_object()
        visit_driver_end(obj)
        return Response()


class VisitorViewSet(CustomModelViewSet):
    queryset = Visitor.objects.all()
    perms_map = {'*': '*'}
    create_serializer_class = VisitorCreateSerializer
    update_serializer_class = VisitorCreateSerializer
    serializer_class = VisitorSerializer

    def get_queryset(self):
        user = self.request.user
        queryset = super().get_queryset().filter(create_by=user)
        # if user.type == 'visitor':
        #     queryset = queryset.filter(create_by=user)
        return queryset

    @action(methods=['post'], detail=False,
            authentication_classes=[], permission_classes=[],
            serializer_class=VisitorRegisterSerializer)
    @transaction.atomic
    def register(self, request, *args, **kwargs):
        """访客/司机账户注册

        访客/司机账户注册
        """
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        vdata = serializer.validated_data
        name = vdata['name']
        phone = vdata['phone']
        code = vdata['code']
        # 校验短信验证码
        check_phone_code(phone, code)
        # 查询是否已注册
        user = User.objects.filter(phone=phone).first()
        if user:
            raise ParseError('该手机号已注册,请直接登录')
        # 访客/司机账户创建
        user = User()
        user.type = 'visitor'
        if vdata['type'] == 'driver':
            user.type = 'driver'
        user.name = name
        user.username = 'V_' + ranstr(10)
        user.phone = phone
        user.password = make_password('0000')
        user.wx_openid = vdata.get('wx_openid', None)
        user.wxmp_openid = vdata.get('wxmp_openid', None)
        user.save()
        return Response(get_tokens_for_user(user))


class VpeopleViewSet(ListModelMixin, RetrieveModelMixin, CreateModelMixin, DestroyModelMixin, CustomGenericViewSet):
    perms_map = {'*': '*'}
    queryset = Vpeople.objects.all()
    create_serializer_class = VpeopleCreateSerializer
    serializer_class = VpeopleSerializer
    filterset_fields = ['visit']
    ordering = ['is_main', 'create_time']

    def destroy(self, request, *args, **kwargs):
        obj = self.get_object()
        if obj.visit.state != Visit.V_CREATE:
            raise ParseError('项目非创建状态不可新增成员')
        return super().destroy(request, *args, **kwargs)