# coding=utf-8
from django.conf import settings
from django.db import transaction
from rest_framework.views import APIView
from rest_framework.decorators import action
from utils.custom_modelviewset import CustomModelViewSet
from apps.log.models import BizLog
from apps.tenant.models import Tenant
from .serializers import TenantSerializer
from utils.exceptions import CustomError
from utils import response_ok, response_error
from apps.tenant.employee.models import Employee
from utils.permission import isLogin,IsTenantUser
from apps.WeChatResponse import WechatAppletPay
from apps.tenant.config.models import Config
from apps.base import Formater
from apps.tenant.models import Pay

class SearchTenantView(APIView):
    permission_classes = [isLogin, ]

    def get(self, request, *args, **kwargs):
        company_no = request.GET.get('company_no')
        tenant = Tenant.objects.filter(company_no=company_no, status=settings.PASS).first()
        if tenant and tenant != request.user.employee.tenant:
            data = {
                'company_no':tenant.company_no,
                'company_name':tenant.company_name,
            }
            return response_ok(data)
        else:
            return response_ok()

class GetTenantView(APIView):
    permission_classes = [isLogin]

    def get(self, request, *args, **kwargs):
        emplayee = Employee.objects.filter(user=request.user).first()
        if emplayee:
            data = {
                'tenant_id':emplayee.tenant.id,
                'company_no':emplayee.tenant.company_no,
                'company_name':emplayee.tenant.company_name,
                'position':emplayee.position,
                'wxapp_img':emplayee.tenant.wxapp_img,
                'user_type_text':emplayee.get_type_display(),
                'edition_text':emplayee.tenant.get_edition_display(),
            }
            return response_ok(data)
        else:
            return response_ok()

class WechatAppPayView(APIView):
    # TODO
    permission_classes = [IsTenantUser]

    def post(self, request):
        openid = request.POST.get('openid')
        pay_edition = request.POST.get('pay_edition')  # edition_1_1_year
        try:
            amount = Config.getIntValue(pay_edition)
            if amount:
                amount = Formater.formatAmount(amount)
                editions = pay_edition.split('_')
                edition_year = '{},{}'.format(editions[1], editions[2], )
            else:
                raise CustomError('续费金额错误')
            with transaction.atomic():
                pay = Pay.wechatAppPay(request.user, request.user.employee.tenant.id, amount, edition_year)
                wechatpay = WechatAppletPay()
                data = wechatpay.weChatUnifiedOrder(openid, pay.pay_no, Formater.formatAmountShow(amount))
                BizLog.objects.addnew(request.user.employee.tenant, self.request.user, BizLog.INSERT, u'小程序续期申请 no=%s' % pay.pay_no)
            return response_ok(data)
        except CustomError as e:
            return response_error(e.get_error_msg())
        except Exception as e:
            import traceback
            traceback.print_exc()
            return response_error(str(e))

class TenantViewSet(CustomModelViewSet):
    permission_classes = [isLogin, ]
    queryset = Tenant.objects.all()
    serializer_class = TenantSerializer

    def perform_create(self, serializer):
        super(TenantViewSet, self).perform_create(serializer)
        instance = serializer.instance
        validated_data = serializer.validated_data
        BizLog.objects.addnew(instance, self.request.user, BizLog.INSERT, u'申请企业[%s] id=%d' % (instance.company_name, instance.id), validated_data)

    @action(methods=['get'], detail=True)
    def bind_company(self, request, pk):
        # 绑定企业,pk 企业编号
        try:
            is_validity = Tenant.check_validity(pk)
            if not is_validity:
                raise CustomError('该企业认证已过期，请联系管理员续费！')
            user = self.request.user
            if user.type == Employee.SUPER:
                raise CustomError('您是企业超级管理员，不能绑定其他企业！')
            with transaction.atomic():
                user = self.request.user
                user.type = Employee.REPAIR
                user.save()
                tenant = Tenant.getByNo(pk)
                Employee.objects.filter(user=user).update(tenant=tenant, type=Employee.REPAIR,position='报修人')
        except CustomError as e:
            return response_error(e.get_error_msg())
        except Exception as e:
            return response_error(str(e))
        return response_ok('绑定成功！')