# -*- coding: utf-8 -*-
import os
import re

from django.conf import settings
from django.http import Http404, HttpResponseForbidden, HttpResponse

from xlwt import easyxf
from xlrd import open_workbook
from xlutils.copy import copy
from pytils.numeral import rubles

from customer.models import License
from customer.utils import raise_if_no_profile


XLS_ROOT = os.path.join(settings.TEMPLATES[0]['DIRS'][0], 'xls')


def get_doc(request, order_num=None):
    if not request.user.is_authenticated():
        raise HttpResponseForbidden

    raise_if_no_profile(request)

    license = License.objects.get(pk=order_num)
    pm = license.payform
    data = request.user.profile
    if pm == 0:
        tmp_name = 'bill.xls'
        file_name = f"Invoice No.{order_num}.xls"
    elif pm == 2:
        tmp_name = '4pd.xls'
        file_name = f"Kvitanciya na oplatu zakaza No.{order_num}.xls"
    else:
        raise Http404()

    response = HttpResponse(content_type="application/vnd.ms-excel")
    response['Content-Disposition'] = f'attachment; filename={file_name}'

    rb = open_workbook(os.path.join(XLS_ROOT, tmp_name), on_demand=True, formatting_info=True)
    wb = copy(rb)
    ws = wb.get_sheet(0)

    # отключить колонтитулы
    ws.show_headers = 0
    ws.print_headers = 0
    ws.header_str = b''
    ws.footer_str = b''

    # заполняем счет
    if pm == 0:
        style0 = easyxf('font: name Times New Roman, height 280, bold True;')
        style0_center = \
            easyxf('font: name Times New Roman, height 280, bold True; align: horiz center')
        style1 = easyxf('font: name Times New Roman, height 180;')
        style2 = easyxf('font: name Times New Roman, height 180, bold True;')
        style3 = easyxf('font: name Times New Roman, height 180;'
                        'border: top thin, left thin, right thin, bottom thin;'
                        )
        style4 = easyxf('font: name Times New Roman, height 180, bold True;'
                        'border: top thin, left thin, right thin, bottom thin;'
                        )
        style4.num_format_str = "#,##0.00"

        ws.write(11, 0, f"СЧЕТ № {order_num} от {license.order_date.strftime('%d.%m.%Y')}",
                 style0_center)
        ws.write(13, 0, f"Покупатель: {data.name}", style1)
        ws.write(16, 2, f"Лицензия Dokumentor.ru на {license.get_term()}", style3)

        style3.num_format_str = "#,##0.00"

        ws.write(16, 36, license.pay_sum, style3)
        ws.write(16, 44, license.pay_sum, style3)
        ws.write(17, 44, license.pay_sum, style4)
        ws.write(19, 44, license.pay_sum, style4)
        ws.write(21, 0, f"Всего наименование 1, на сумму {license.pay_sum},00 руб.", style1)
        ws.write(23, 0, f"{rubles(license.pay_sum).capitalize()}.", style2)

        ws.insert_bitmap(os.path.join(XLS_ROOT, 'stamp.bmp'), 26, 12, y=3, scale_y=1.1)

    # заполняем квитанцию
    elif pm == 2:
        style0 = easyxf('font: name Times New Roman, height 160, bold True;'
                        'border: bottom thin;'
                        )
        style1 = easyxf('font: name Times New Roman, height 160, bold True;'
                        'border: bottom thin;'
                        'align: horiz center;'
                        )

        # заполняем оригинал
        ws.write(11, 4, f"Лицензия Dokumentor.ru на {license.get_term()}", style1)
        ws.write(13, 13, data.get_boss_fio(), style0)
        ws.write(14, 13, re.sub("^\s+|\n|\r|\s+$", ' ', data.address), style0)
        ws.write(15, 11, license.pay_sum, style1)

        # заполняем копию
        ws.write(31, 4, u"Лицензия Dokumentor.ru на %s" % (license.get_term()), style1)
        ws.write(33, 13, data.get_boss_fio(), style0)
        ws.write(34, 13, re.sub("^\s+|\n|\r|\s+$", ' ', data.address), style0)
        ws.write(35, 11, license.pay_sum, style1)

    else:
        raise Http404()

    wb.save(response)

    return response