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

from django.conf import settings
from django.contrib.admin.views.decorators import staff_member_required
from django.db import transaction
from django_logit import logit
from django_response import response
from TimeConvert import TimeConvert as tc

from integral.models import SaleclerkIntegralIncomeExpensesInfo, SaleclerkSubmitLogInfo
from mch.models import BrandInfo, DistributorInfo, ModelInfo, SaleclerkInfo
from staff.models import StaffDeleteClerkSaleSubmitLogInfo
from statistic.models import (DistributorSaleStatisticInfo, ModelSaleStatisticInfo, ProvinceSaleStatisticInfo,
                              SaleclerkSaleStatisticInfo, SaleStatisticInfo)


def exec_del_clerk_sale_submit(pk, username):
    try:
        ssli = SaleclerkSubmitLogInfo.objects.select_for_update().get(pk=pk)
    except SaleclerkSubmitLogInfo.DoesNotExist:
        return response()

    if not ssli.status:
        return response()

    if ssli.is_staff_delete:
        return response()

    sn = ssli.code

    StaffDeleteClerkSaleSubmitLogInfo.objects.create(username=username, code=sn)

    ssli.status = False
    ssli.is_staff_delete = True
    ssli.save()

    SaleclerkIntegralIncomeExpensesInfo.objects.select_for_update().filter(code=sn).update(status=False)

    try:
        brand = BrandInfo.objects.get(pk=ssli.brand_pk)
    except BrandInfo.DoesNotExist:
        return response()

    try:
        model = ModelInfo.objects.get(pk=ssli.model_pk)
    except SaleclerkInfo.DoesNotExist:
        return response()

    try:
        clerk = SaleclerkInfo.objects.select_for_update().get(clerk_id=ssli.clerk_id, status=True)
    except SaleclerkInfo.DoesNotExist:
        return response()

    try:
        distributor = DistributorInfo.objects.get(distributor_id=clerk.distributor_id)
    except DistributorInfo.DoesNotExist:
        return response()

    integral = model.integral

    clerk.num -= 1
    clerk.integral -= integral
    clerk.total_integral -= integral
    clerk.save()

    ymd = tc.local_string(format='%Y%m%d')

    if not clerk.test_user and not ssli.dupload:
        # 日销量统计
        ssi, _ = SaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            ymd=ymd,
        )
        ssi.num -= 1
        ssi.save()
        # 月销量统计
        ssi, _ = SaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            ymd=ymd[:6],
        )
        ssi.num -= 1
        ssi.save()
        # 年销量统计
        ssi, _ = SaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            ymd=ymd[:4],
        )
        ssi.num -= 1
        ssi.save()

        # 型号销量统计
        mssi, _ = ModelSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            model_name=model.model_uni_name,
            ymd=ymd,
        )
        try:
            mssi.saleclerks.remove(clerk.clerk_id)
        except ValueError:
            pass
        mssi.num = len(mssi.saleclerks)
        mssi.save()

        mssi, _ = ModelSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            model_name=model.model_uni_name,
            ymd=ymd[:6],
        )
        try:
            mssi.saleclerks.remove(clerk.clerk_id)
        except ValueError:
            pass
        mssi.num = len(mssi.saleclerks)
        mssi.save()

        mssi, _ = ModelSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            model_name=model.model_uni_name,
            ymd=ymd[:4],
        )
        try:
            mssi.saleclerks.remove(clerk.clerk_id)
        except ValueError:
            pass
        mssi.num = len(mssi.saleclerks)
        mssi.save()

        # 经销商销量统计
        dssi, _ = DistributorSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            distributor_id=distributor.distributor_id,
            ymd=ymd,
        )
        dssi.distributor_name = distributor.distributor_name
        dssi.num -= 1
        dssi.save()

        dssi2, _ = DistributorSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            distributor_id=distributor.distributor_id,
            ymd=0,
        )
        dssi2.distributor_name = distributor.distributor_name
        dssi2.num -= 1
        dssi2.save()

        # 日省份销量统计
        pssi, _ = ProvinceSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            province_code=distributor.distributor_province_code,
            ymd=ymd,
        )
        pssi.province_name = distributor.distributor_province_name
        pssi.num -= 1
        pssi.save()
        # 月省份销量统计
        pssi, _ = ProvinceSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            province_code=distributor.distributor_province_code,
            ymd=ymd[:6],
        )
        pssi.province_name = distributor.distributor_province_name
        pssi.num -= 1
        pssi.save()
        # 年省份销量统计
        pssi, _ = ProvinceSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            province_code=distributor.distributor_province_code,
            ymd=ymd[:4],
        )
        pssi.province_name = distributor.distributor_province_name
        pssi.num -= 1
        pssi.save()

        # 日销售员销量统计
        sssi, _ = SaleclerkSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            clerk_id=clerk.clerk_id,
            ymd=ymd,
        )
        sssi.distributor_id = distributor.distributor_id
        sssi.distributor_name = distributor.distributor_name
        sssi.distributor_short_name = distributor.distributor_short_name
        sssi.clerk_name = clerk.clerk_name
        sssi.num -= 1
        sssi.save()
        # 月销售员销量统计
        sssi, _ = SaleclerkSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            clerk_id=clerk.clerk_id,
            ymd=ymd[:6],
        )
        sssi.distributor_id = distributor.distributor_id
        sssi.distributor_name = distributor.distributor_name
        sssi.distributor_short_name = distributor.distributor_short_name
        sssi.clerk_name = clerk.clerk_name
        sssi.num -= 1
        sssi.save()
        # 年销售员销量统计
        sssi, _ = SaleclerkSaleStatisticInfo.objects.select_for_update().get_or_create(
            brand_id=brand.brand_id,
            clerk_id=clerk.clerk_id,
            ymd=ymd[:4],
        )
        sssi.distributor_id = distributor.distributor_id
        sssi.distributor_name = distributor.distributor_name
        sssi.distributor_short_name = distributor.distributor_short_name
        sssi.clerk_name = clerk.clerk_name
        sssi.num -= 1
        sssi.save()


@logit
@staff_member_required
@transaction.atomic
def del_clerk_sale_submit_api(request):
    brand_id = request.GET.get('brand_id', settings.KODO_DEFAULT_BRAND_ID)
    pk = request.GET.get('pk', '')

    exec_del_clerk_sale_submit(pk, request.user.username)

    return response(200, 'Del Success', u'删除成功')