# SPDX-FileCopyrightText: 2013 The glucometerutils Authors
#
# SPDX-License-Identifier: MIT

"""Tests for the common ContourUSB functions.."""

# pylint: disable=protected-access,missing-docstring

from unittest.mock import Mock

from absl.testing import absltest
from glucometerutils.support import contourusb


class TestContourUSB(absltest.TestCase):

    header_record = b"\x04\x021H|\\^&||7w3LBL|Bayer7390^01.24\\01.04\\09.02.20^7390-2336773^7403-|A=1^C=63^G=1^I=0200^R=0^S=1^U=0^V=10600^X=070070070070180130150250^Y=360126090050099050300089^Z=1|1714||||||1|201909221304\r\x17D7\r\n\x05"

    mock_dev = Mock()

    def test_get_datetime(self):
        import datetime

        self.datetime = "201908071315"  # returned by
        self.assertEqual(
            datetime.datetime(2019, 8, 7, 13, 15),
            contourusb.ContourHidDevice.get_datetime(self),
        )

    def test_RECORD_FORMAT_match(self):
        # first decode the header record frame
        header_record_decoded = self.header_record.decode()
        stx = header_record_decoded.find("\x02")

        _RECORD_FORMAT = contourusb._RECORD_FORMAT
        result = _RECORD_FORMAT.match(header_record_decoded[stx:]).group("text")

        self.assertEqual(
            "H|\\^&||7w3LBL|Bayer7390^01.24\\01.04\\09.02.20^7390-2336773^7403-|A=1^C=63^G=1^I=0200^R=0^S=1^U=0^V=10600^X=070070070070180130150250^Y=360126090050099050300089^Z=1|1714||||||1|201909221304",
            result,
        )

    def test_parse_header_record(self):

        _RECORD_FORMAT = contourusb._RECORD_FORMAT

        header_record_decoded = self.header_record.decode()
        stx = header_record_decoded.find("\x02")

        result = _RECORD_FORMAT.match(header_record_decoded[stx:]).group("text")
        contourusb.ContourHidDevice.parse_header_record(self.mock_dev, result)

        self.assertEqual(self.mock_dev.field_del, "\\")
        self.assertEqual(self.mock_dev.repeat_del, "^")
        self.assertEqual(self.mock_dev.component_del, "&")
        self.assertEqual(self.mock_dev.escape_del, "|")

        self.assertEqual(self.mock_dev.product_code, "Bayer7390")

        self.assertEqual(self.mock_dev.dig_ver, "01.24")
        self.assertEqual(self.mock_dev.anlg_ver, "01.04")
        self.assertEqual(self.mock_dev.agp_ver, "09.02.20")
        self.assertEqual(self.mock_dev.serial_num, "7390-2336773")
        self.assertEqual(self.mock_dev.sku_id, "7403-")
        self.assertEqual(self.mock_dev.res_marking, "1")
        self.assertEqual(self.mock_dev.config_bits, "63")
        self.assertEqual(self.mock_dev.lang, "1")
        self.assertEqual(self.mock_dev.interv, "0200")
        self.assertEqual(self.mock_dev.ref_method, "0")
        self.assertEqual(self.mock_dev.internal, "1")
        self.assertEqual(self.mock_dev.unit, "0")
        self.assertEqual(self.mock_dev.lo_bound, "10")
        self.assertEqual(self.mock_dev.hi_bound, "600")

        self.assertEqual(self.mock_dev.hypo_limit, "070")
        self.assertEqual(self.mock_dev.overall_low, "070")
        self.assertEqual(self.mock_dev.pre_food_low, "070")
        self.assertEqual(self.mock_dev.post_food_low, "070")
        self.assertEqual(self.mock_dev.overall_high, "180")
        self.assertEqual(self.mock_dev.pre_food_high, "130")
        self.assertEqual(self.mock_dev.post_food_high, "150")
        self.assertEqual(self.mock_dev.hyper_limit, "250")

        self.assertEqual(self.mock_dev.upp_hyper, "360")
        self.assertEqual(self.mock_dev.low_hyper, "126")
        self.assertEqual(self.mock_dev.upp_hypo, "090")
        self.assertEqual(self.mock_dev.low_hypo, "050")
        self.assertEqual(self.mock_dev.upp_low_target, "099")
        self.assertEqual(self.mock_dev.low_low_target, "050")
        self.assertEqual(self.mock_dev.upp_hi_target, "300")
        self.assertEqual(self.mock_dev.low_hi_target, "089")
        self.assertEqual(self.mock_dev.trends, "1")
        self.assertEqual(self.mock_dev.total, "1714")
        self.assertEqual(self.mock_dev.spec_ver, "1")

        self.assertEqual(self.mock_dev.datetime, "201909221304")

    # TO-DO checksum and checkframe unit tests

    def test_parse_result_record(self):
        # first decode the header record frame
        result_record = "R|8|^^^Glucose|133|mg/dL^P||B/X||201202052034"
        result_dict = contourusb.ContourHidDevice.parse_result_record(
            self.mock_dev, result_record
        )

        self.assertEqual(result_dict["record_type"], "R")
        self.assertEqual(result_dict["seq_num"], "8")
        self.assertEqual(result_dict["test_id"], "Glucose")
        self.assertEqual(result_dict["value"], "133")
        self.assertEqual(result_dict["unit"], "mg/dL")
        self.assertEqual(result_dict["ref_method"], "P")
        self.assertEqual(result_dict["markers"], "B/X")
        self.assertEqual(result_dict["datetime"], "201202052034")