from apps.utils.fields import MyFilePathField
from apps.utils.serializers import CustomModelSerializer
from apps.vm.models import Visit, Visitor, Vpeople
from rest_framework import serializers
from rest_framework.exceptions import ParseError
from django.db import transaction
from apps.third.clients import dhClient
from apps.third.tapis import dhapis
from apps.system.serializers import UserSimpleSerializer
from apps.wf.serializers import TicketSerializer


class VisitCreateUpdateSerializer(CustomModelSerializer):
    class Meta:
        model = Visit
        fields = ['id', 'purpose', 'name', 'description', 'visit_time',
                  'leave_time', 'receptionist', 'company', 'level', 'count_people']


class VisitSerializer(CustomModelSerializer):
    receptionist_ = UserSimpleSerializer(source='receptionist', read_only=True)
    ticket_ = TicketSerializer(source='ticket', read_only=True)

    class Meta:
        model = Visit
        fields = '__all__'


class VisitorCreateSerializer(CustomModelSerializer):
    # phone = serializers.CharField(label="手机号", validators=[phone_check])

    class Meta:
        model = Visitor
        fields = ['name', 'phone', 'photo', 'id_number']

    def create(self, validated_data):
        with transaction.atomic():
            # 校验上传的证件照
            if validated_data.get('photo', None):
                dhClient.request(**dhapis['person_img_upload'], file_path_rela=validated_data['photo'])
            return super().create(validated_data)


class VisitorSerializer(CustomModelSerializer):
    photo = MyFilePathField()

    class Meta:
        model = Visitor
        fields = '__all__'


class VpeopleCreateSerializer(CustomModelSerializer):
    class Meta:
        model = Vpeople
        fields = ['visit', 'visitor', 'is_main']

    def create(self, validated_data):
        if validated_data['visit'].state != Visit.V_CREATE:
            raise ParseError('项目非创建状态不可新增成员')
        if validated_data['visit'].level == 10:
            visitor = validated_data['visitor']
            if visitor.id_number and visitor.photo:
                pass
            else:
                raise ParseError('访客信息不全,请完善后再试')
        if Vpeople.objects.filter(visit=validated_data['visit'], visitor=validated_data['visitor']).exists():
            raise ParseError('该访客已选中')
        ins = super().create(validated_data)
        if ins.is_main:
            Vpeople.objects.filter(visit=validated_data['visit']).exclude(id=ins.id).update(is_main=False)
        return ins


class VpeopleSerializer(CustomModelSerializer):
    visitor_ = VisitorSerializer(source='visitor', read_only=True)

    class Meta:
        model = Vpeople
        fields = '__all__'


class VisitorRegisterSerializer(serializers.Serializer):
    name = serializers.CharField(label="姓名")
    phone = serializers.CharField(label="手机号")
    code = serializers.CharField(label='手机号验证码')
    wxmp_openid = serializers.CharField(label='微信小程序ID', required=False)
    wx_openid = serializers.CharField(label='微信公众号ID', required=False)


class VisitDetailSerializer(CustomModelSerializer):
    receptionist_ = UserSimpleSerializer(source='receptionist', read_only=True)
    receptionist_name = serializers.CharField(source='receptionist.name', read_only=True)
    visitors_ = serializers.SerializerMethodField()
    ticket_ = TicketSerializer(source='ticket', read_only=True)

    class Meta:
        model = Visit
        fields = '__all__'

    def get_visitors_(self, obj):
        objs = Vpeople.objects.filter(visit=obj).order_by('is_main', 'create_time')
        return VpeopleSerializer(instance=objs, many=True).data