from datetime import datetime
from io import BytesIO

from django.db.models import Q
from django.http import HttpResponse
from openpyxl import Workbook
from rest_framework import viewsets, filters
from rest_framework.decorators import action

from apps.core.mixins.search_mixin import DynamicSearchMixin
from apps.product import models as product_models
from apps.product.web.api.v1.serializers import quota_distribution_serializers as distribution_serializers
from apps.product.web.api.v1.serializers.product_serializers import IncentivePlanSerializer
from apps.product.web.api.v1.serializers.quota_serializers import QuotaSerializer
from common.helper_excel import create_header, excel_description, create_header_freez, create_value, shamsi_date, \
    convert_str_to_date
from common.helpers import get_organization_by_user


class ProductExcelViewSet(viewsets.ModelViewSet, DynamicSearchMixin):
    queryset = product_models.QuotaDistribution.objects.all()
    serializer_class = distribution_serializers.QuotaDistributionSerializer
    filter_backends = [filters.SearchFilter]

    # noqa # سهمیه و توزیع
    @action(
        methods=['get'],
        detail=False,
        url_path='my_distributions_excel',
        url_name='my_distributions_excel',
        name='my_distributions_excel'
    )
    def my_distributions_excel(self, request):
        output = BytesIO()
        workbook = Workbook()
        worksheet = workbook.active
        worksheet.sheet_view.rightToLeft = True
        worksheet.insert_rows(1)

        product = self.filter_query(self.queryset)  # return by search param or all objects
        organization = get_organization_by_user(request.user)

        query = self.request.query_params
        description_name = ''

        if query.get('param') == 'assigned':
            product = product.filter(
                Q(assigned_organization=organization)
            ).order_by('-modify_date')
            description_name = 'سهمیه'  # noqa

        elif query.get('param') == 'assigner':
            product = product.filter(
                Q(assigner_organization=organization)
            ).order_by('-modify_date')
            description_name = 'توزیع'  # noqa

        elif query.get('param') == 'all':
            product = product.filter(
                Q(assigner_organization=organization) |
                Q(assigned_organization=organization)
            ).order_by('-modify_date')
            description_name = ''

        ser_data = distribution_serializers.QuotaDistributionSerializer(product, many=True).data

        excel_options = [
            "ردیف",
            "شناسه توزیع",
            "شناسه سهمیه",
            "تاریخ ثبت",
            "توزیع کننده",
            "دریافت کننده",
            "وزن",
            "وزن توزیع شده",
            "وزن باقیمانده",
            "وزن فروش رفته",
            "مانده انبار",
            "ورودی به انبار",
            "توضیحات",
        ]

        header_list = [
            "وزن",
            "وزن توزیع شده",
            "وزن باقیمانده",
            "وزن فروش رفته",
            "مانده انبار",
            "ورودی به انبار",

        ]

        create_header(worksheet, header_list, 5, 2, height=25, border_style='thin')

        excel_description(worksheet, 'B1', f'{description_name}', row2='C3')

        create_header_freez(worksheet, excel_options, 1, 6, 7, height=25, width=20)

        l = 6
        m = 1
        if ser_data:
            for data in ser_data:
                list1 = [
                    m,
                    data['distribution_id'] or '',
                    str(data['quota']['quota_id']) if data.get('quota') and data['quota'].get('quota_id') else '',
                    str(shamsi_date(convert_str_to_date(data['create_date']), in_value=True)) if data.get(
                        'create_date') else '',
                    (data[
                         'assigner_organization'] or {}).get('organization') or '-',
                    (data[
                         'assigned_organization'] or {}).get('organization') or '-',
                    data.get('weight') or 0,
                    data.get('distributed') or 0,
                    data.get('remaining_weight') or 0,
                    data.get('been_sold') or 0,
                    data.get('warehouse_balance') or 0,
                    data.get('warehouse_entry') or 0,
                    data.get('description') or '-'
                ]
                create_value(worksheet, list1, l + 1, 1, height=24, m=m)

                m += 1
                l += 1

        weight = sum((data['weight'] or 0) for data in ser_data)
        distributed = sum((data['distributed'] or 0) for data in ser_data)
        remaining_weight = sum((data['remaining_weight'] or 0) for data in ser_data)
        been_sold = sum((data['been_sold'] or 0) for data in ser_data)
        warehouse_balance = sum((data['warehouse_balance'] or 0) for data in ser_data)
        warehouse_entry = sum((data['warehouse_entry'] or 0) for data in ser_data)

        value_list = [
            weight,
            distributed,
            remaining_weight,
            been_sold,
            warehouse_balance,
            warehouse_entry,
        ]
        create_value(worksheet, value_list, 3, 5, border_style='thin')

        list2 = [
            'مجموع==>',
            '',
            '',
            '',
            '',
            '',
            weight,
            distributed,
            remaining_weight,
            been_sold,
            warehouse_balance,
            warehouse_entry,
            '',

        ]
        create_value(worksheet, list2, l + 3, 1, color='gray')  # noqa

        workbook.save(output)
        output.seek(0)

        response = HttpResponse(
            content_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')  # noqa
        response[
            'Content-Disposition'] = f'attachment; filename="سهمیه.xlsx"'.encode(  # noqa
            'utf-8')
        response.write(output.getvalue())
        return response

    # noqa # طرح های تشویقی
    @action(
        methods=['get'],
        detail=False,
        url_path='incentive_plan_excel',
        url_name='incentive_plan_excel',
        name='incentive_plan_excel'
    )
    def incentive_plan_excel(self, request):
        output = BytesIO()
        workbook = Workbook()
        worksheet = workbook.active
        worksheet.sheet_view.rightToLeft = True
        worksheet.insert_rows(1)

        today = datetime.now().date()
        user_relations = product_models.UserRelations.objects.filter(user=request.user).first()
        incentive_plans = user_relations.incentive_plans.filter(
            Q(is_time_unlimited=False) |
            Q(start_date_limit__lte=today, end_date_limit__gte=today)
        )

        ser_data = IncentivePlanSerializer(incentive_plans, many=True).data

        excel_options = [
            "ردیف",
            "نام",
            "توضیحات",
            "نوع طرح",
            "گروه",
            "محدودیت زمانی",
            "شروع محدودیت",
            "پایان طرح",

        ]

        excel_description(worksheet, 'B1', f'طرح های تشویقی', row2='C3')

        create_header_freez(worksheet, excel_options, 1, 6, 7, height=25, width=20)

        l = 6
        m = 1
        if ser_data:
            for data in ser_data:
                grop_name = 'شهری'
                if data.get('group') == 'rural':
                    grop_name = 'روستایی'
                elif data.get('group') == 'nomadic':
                    grop_name = 'عشایری'
                is_time_unlimited = 'دارد' if data.get('is_time_unlimited') == True else 'ندارد'
                list1 = [
                    m,
                    data['name'] or '-',
                    data['description'] or '-',
                    data['plan_type'] or '-',
                    grop_name,
                    is_time_unlimited,
                    str(shamsi_date(convert_str_to_date(data.get('start_date_limit')), in_value=True)),
                    str(shamsi_date(convert_str_to_date(data.get('end_date_limit')), in_value=True)),
                ]
                create_value(worksheet, list1, l + 1, 1, height=24, m=m)

                m += 1
                l += 1

        list2 = [
            '',
            '',
            '',
            '',
            '',
            '',
            '',
            '',

        ]
        create_value(worksheet, list2, l + 3, 1, height=24, color='gray')  # noqa

        workbook.save(output)
        output.seek(0)

        response = HttpResponse(
            content_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
        response[
            'Content-Disposition'] = f'attachment; filename="طرح های تشویقی.xlsx"'.encode(  # noqa
            'utf-8')
        response.write(output.getvalue())
        return response

    # noqa # سهمیه های فعال و بایگانی
    @action(
        methods=['get'],
        detail=False,
        url_path='detail_quota_excel',
        url_name='detail_quota_excel',
        name='detail_quota_excel'
    )
    def detail_quota_excel(self, request):
        queryset = product_models.Quota.objects.filter(id=request.GET['id'], trash=False)
        serializer_class = QuotaSerializer
        filter_backends = [filters.SearchFilter]
        search_fields = [
            "registerer_organization__name",
            "quota_id",
            "product__name",
            "sale_type",
            "sale_unit__unit",
            "group",
        ]

        output = BytesIO()
        workbook = Workbook()
        worksheet = workbook.active
        worksheet.sheet_view.rightToLeft = True
        worksheet.insert_rows(1)

        active = request.GET.get('active')
        queryset = self.filter_query(queryset)  # return by search param or all objects

        organization = get_organization_by_user(request.user)
        queryset = queryset.filter(
            Q(registerer_organization=organization)).first()

        if active:
            quta_type = 'فعال'
        else:
            quta_type = 'بایگانی'

        data = serializer_class(queryset).data
        excel_options = [
            "ردیف",
            "شناسه سهمیه",
            "محصول",
            "وزن محصول",
            "وزن باقیمانده",
            "تاریخ ثبت",
            "واحد فروش",
            "گروه",
            "سهمیه ماه",
            "نوع فروش",
            "مجوز فروش",
            "قیمت درب کارخانه",
            "قیمت درب تعاونی",
        ]

        excel_description(worksheet, 'B1',
                          'سهمیه {0}  با شناسه سهمیه {1}'.format(quta_type, str(data['quota_id'] or '-')), row2='C2',
                          size=11)

        create_header(worksheet, excel_options, 1, 4, height=25, width=20)

        l = 5
        m = 1

        fa_mount = {
            1: "فروردین",
            2: "اردیبهشت",
            3: "خرداد",
            4: "تیر",
            5: "مرداد",
            6: "شهریور",
            7: "مهر",
            8: "آبان",
            9: "آذر",
            10: "دی",
            11: "بهمن",
            12: "اسفند",
        }

        group_type = data.get('month_choices')
        sale_license = data.get('sale_license')
        if group_type:
            mount_num = [num for num in group_type]
            fa_mount1 = [fa_mount.get(name, name) for name in mount_num]
            fa_mount_text = ' - '.join(fa_mount1) if fa_mount1 else '-'
        else:
            fa_mount_text = '-'
        if sale_license:
            sale_license_mount_num = [num for num in sale_license]
            fa_mount2 = [fa_mount.get(name, name) for name in sale_license_mount_num]
            sale_license_fa_mount_text = ' - '.join(fa_mount2) if fa_mount2 else '-'
        else:
            sale_license_fa_mount_text = '-'
        sale_type = 'دولتی' if data['sale_type'] == 'gov' else 'آزاد'
        group_name = data.get('group')
        if group_name:
            if group_name == 'rural':
                group_name_fa = 'روستایی'
            elif group_name == 'nomadic':
                group_name_fa = 'عشایری'
            else:
                group_name_fa = 'دولتی'
        else:
            group_name_fa = '-'

        list1 = [
            m,
            str(data['quota_id'] or '-'),
            (data.get('product') or {}).get('product') or '-',
            data['quota_weight'] or '-',
            data['remaining_weight'] or '-',
            str(shamsi_date(convert_str_to_date(data.get('create_date')), in_value=True)),
            (data['sale_unit'] or {}).get('unit') or '-',
            group_name_fa,
            fa_mount_text,
            sale_type,
            sale_license_fa_mount_text,
            int(data['base_price_factory'].split('.')[0]),
            int(data['base_price_cooperative'].split('.')[0]),

        ]
        create_value(worksheet, list1, l, 1, height=24, m=m)

        excel_description(worksheet, 'A8',
                          'سهمیه بندی دام'.format(quta_type, str(data['quota_id'] or '-')), row2='E8',
                          size=10)
        excel_options = [
            "ردیف",
            "گروه",
            "حجم",
            "دسته",
            "محصول",

        ]
        livestock_allocations = data.get('livestock_allocations')
        if livestock_allocations:
            livestock_allocation_num = 10
            livestock_allocation_m = 1
            for livestock_allocation in livestock_allocations:
                livestock_group = livestock_allocation.get('livestock_group')

                if livestock_group:
                    if livestock_group == 'rural':
                        group_name_fa = 'روستایی'
                    elif livestock_group == 'nomadic':
                        group_name_fa = 'عشایری'
                    else:
                        group_name_fa = 'دولتی'
                else:
                    group_name_fa = '-'
                weight_type = (livestock_allocation.get('livestock_type') or {}).get('weight_type') or None
                name = (livestock_allocation.get('livestock_type') or {}).get('name') or None
                weight_type_fa='سبک' if weight_type == 'L' else 'سنگین'
                list1 = [
                    livestock_allocation_m,
                    group_name_fa,
                    int(livestock_allocation['quantity_kg'].split('.')[0]),
                    weight_type_fa,
                    name,

                ]
                create_value(worksheet, list1, livestock_allocation_num, 1, height=24, m=livestock_allocation_m,
                             border_style='thin',m_color='F2F2F2')
                livestock_allocation_num += 1
                livestock_allocation_m += 1
        else:
            excel_description(worksheet, 'A10',
                              'سهمیه بندی وجود ندارد', row2='E10',
                              size=10, color='red')
        create_header(worksheet, excel_options, 1, 9, height=25, width=20, different_color='C9C9C9', text_color='262626',
                      border_style='thin')

        excel_description(worksheet, 'G8',
                          'محدودیت ها', row2='H8',
                          size=10)
        excel_options = [
            "محدودیت بر اساس شهرستان و تعاونی",
            "محدودیت بر اساس بازه سنی دام",


        ]
        create_header(worksheet, excel_options, 7, 9, height=25, width=25, different_color='C9C9C9',
                      text_color='262626',
                      border_style='thin')

        limit_by_organizations = data.get('limit_by_organizations')
        if limit_by_organizations:
            limit_by_organization_num = 10
            limit_by_organization_m = 1
            for limit_by_organization in limit_by_organizations:
                name = limit_by_organization.get('name') or '-'
                list1 = [
                    name
                ]
                create_value(worksheet, list1, limit_by_organization_num, 7, height=24, m=limit_by_organization_m,
                             border_style='thin', m_color='F2F2F2')
                limit_by_organization_num += 1
                limit_by_organization_m += 1

        livestock_limitations = data.get('livestock_limitations')
        if livestock_limitations:
            livestock_limitations_num = 10
            livestock_limitations_m = 1
            for livestock_limitation in livestock_limitations:
                weight_type = (livestock_limitation.get('livestock_type') or {}).get('weight_type') or None
                weight_type_fa = 'سبک' if weight_type == 'L' else 'سنگین'
                livestock_type = livestock_limitation.get('livestock_type')

                list1 = [
                    f'{livestock_type["name"]} ({weight_type_fa}) با سن {livestock_limitation["age_month"]}',
                ]
                create_value(worksheet, list1, livestock_limitations_num, 8, height=24, m=livestock_limitations_m,
                             border_style='thin', m_color='F2F2F2')
                livestock_limitations_m += 1
                livestock_limitations_num += 1

        excel_description(worksheet, 'J8',
                          'طرح های تشویقی', row2='M8',
                          size=10)
        excel_options = [
            "ردیف",
            "طرح",
            "وزن سبک",
            "وزن سنگین",

        ]
        create_header(worksheet, excel_options, 10, 9, height=25, width=25, different_color='C9C9C9',
                      text_color='262626',
                      border_style='thin')

        incentive_plans = data.get('incentive_plan')
        if incentive_plans:
            incentive_plan_num = 10
            incentive_plan_m = 1
            for incentive_plan in incentive_plans:

                list1 = [
                    incentive_plan_m,
                    incentive_plan['incentive_plan_name'],
                    incentive_plan['light_value'],
                    incentive_plan['heavy_value'],
                ]
                create_value(worksheet, list1, incentive_plan_num, 10, height=24, m=incentive_plan_m,
                             border_style='thin', m_color='F2F2F2')
                incentive_plan_num += 1
                incentive_plan_m += 1

        workbook.save(output)
        output.seek(0)

        response = HttpResponse(
            content_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
        response[
            'Content-Disposition'] = f'attachment; filename="fسهمیه {quta_type}.xlsx"'.encode(  # noqa
            'utf-8')
        response.write(output.getvalue())
        return response