from datetime import time, date, datetime, timedelta
from time import gmtime
import unittest
from unittest import mock
import warnings

from MySQLdb import times


warnings.simplefilter("ignore")


class TestX_or_None(unittest.TestCase):
    def test_date_or_none(self):
        assert times.Date_or_None("1969-01-01") == date(1969, 1, 1)
        assert times.Date_or_None("2015-01-01") == date(2015, 1, 1)
        assert times.Date_or_None("2015-12-13") == date(2015, 12, 13)

        assert times.Date_or_None("") is None
        assert times.Date_or_None("fail") is None
        assert times.Date_or_None("2015-12") is None
        assert times.Date_or_None("2015-12-40") is None
        assert times.Date_or_None("0000-00-00") is None

    def test_time_or_none(self):
        assert times.Time_or_None("00:00:00") == time(0, 0)
        assert times.Time_or_None("01:02:03") == time(1, 2, 3)
        assert times.Time_or_None("01:02:03.123456") == time(1, 2, 3, 123456)

        assert times.Time_or_None("") is None
        assert times.Time_or_None("fail") is None
        assert times.Time_or_None("24:00:00") is None
        assert times.Time_or_None("01:02:03.123456789") is None

    def test_datetime_or_none(self):
        assert times.DateTime_or_None("1000-01-01") == date(1000, 1, 1)
        assert times.DateTime_or_None("2015-12-13") == date(2015, 12, 13)
        assert times.DateTime_or_None("2015-12-13 01:02") == datetime(
            2015, 12, 13, 1, 2
        )
        assert times.DateTime_or_None("2015-12-13T01:02") == datetime(
            2015, 12, 13, 1, 2
        )
        assert times.DateTime_or_None("2015-12-13 01:02:03") == datetime(
            2015, 12, 13, 1, 2, 3
        )
        assert times.DateTime_or_None("2015-12-13T01:02:03") == datetime(
            2015, 12, 13, 1, 2, 3
        )
        assert times.DateTime_or_None("2015-12-13 01:02:03.123") == datetime(
            2015, 12, 13, 1, 2, 3, 123000
        )
        assert times.DateTime_or_None("2015-12-13 01:02:03.000123") == datetime(
            2015, 12, 13, 1, 2, 3, 123
        )
        assert times.DateTime_or_None("2015-12-13 01:02:03.123456") == datetime(
            2015, 12, 13, 1, 2, 3, 123456
        )
        assert times.DateTime_or_None("2015-12-13T01:02:03.123456") == datetime(
            2015, 12, 13, 1, 2, 3, 123456
        )

        assert times.DateTime_or_None("") is None
        assert times.DateTime_or_None("fail") is None
        assert times.DateTime_or_None("0000-00-00 00:00:00") is None
        assert times.DateTime_or_None("0000-00-00 00:00:00.000000") is None
        assert times.DateTime_or_None("2015-12-13T01:02:03.123456789") is None

    def test_timedelta_or_none(self):
        assert times.TimeDelta_or_None("-1:0:0") == timedelta(0, -3600)
        assert times.TimeDelta_or_None("1:0:0") == timedelta(0, 3600)
        assert times.TimeDelta_or_None("12:55:30") == timedelta(0, 46530)
        assert times.TimeDelta_or_None("12:55:30.123456") == timedelta(0, 46530, 123456)
        assert times.TimeDelta_or_None("12:55:30.123456789") == timedelta(
            0, 46653, 456789
        )
        assert times.TimeDelta_or_None("12:55:30.123456789123456") == timedelta(
            1429, 37719, 123456
        )

        assert times.TimeDelta_or_None("") is None
        assert times.TimeDelta_or_None("0") is None
        assert times.TimeDelta_or_None("fail") is None


class TestTicks(unittest.TestCase):
    @mock.patch("MySQLdb.times.localtime", side_effect=gmtime)
    def test_date_from_ticks(self, mock):
        assert times.DateFromTicks(0) == date(1970, 1, 1)
        assert times.DateFromTicks(1430000000) == date(2015, 4, 25)

    @mock.patch("MySQLdb.times.localtime", side_effect=gmtime)
    def test_time_from_ticks(self, mock):
        assert times.TimeFromTicks(0) == time(0, 0, 0)
        assert times.TimeFromTicks(1431100000) == time(15, 46, 40)
        assert times.TimeFromTicks(1431100000.123) == time(15, 46, 40)

    @mock.patch("MySQLdb.times.localtime", side_effect=gmtime)
    def test_timestamp_from_ticks(self, mock):
        assert times.TimestampFromTicks(0) == datetime(1970, 1, 1, 0, 0, 0)
        assert times.TimestampFromTicks(1430000000) == datetime(2015, 4, 25, 22, 13, 20)
        assert times.TimestampFromTicks(1430000000.123) == datetime(
            2015, 4, 25, 22, 13, 20
        )


class TestToLiteral(unittest.TestCase):
    def test_datetime_to_literal(self):
        self.assertEqual(
            times.DateTime2literal(datetime(2015, 12, 13), ""), b"'2015-12-13 00:00:00'"
        )
        self.assertEqual(
            times.DateTime2literal(datetime(2015, 12, 13, 11, 12, 13), ""),
            b"'2015-12-13 11:12:13'",
        )
        self.assertEqual(
            times.DateTime2literal(datetime(2015, 12, 13, 11, 12, 13, 123456), ""),
            b"'2015-12-13 11:12:13.123456'",
        )

    def test_datetimedelta_to_literal(self):
        d = datetime(2015, 12, 13, 1, 2, 3) - datetime(2015, 12, 13, 1, 2, 2)
        assert times.DateTimeDelta2literal(d, "") == b"'0 0:0:1'"


class TestFormat(unittest.TestCase):
    def test_format_timedelta(self):
        d = datetime(2015, 1, 1) - datetime(2015, 1, 1)
        assert times.format_TIMEDELTA(d) == "0 0:0:0"

        d = datetime(2015, 1, 1, 10, 11, 12) - datetime(2015, 1, 1, 8, 9, 10)
        assert times.format_TIMEDELTA(d) == "0 2:2:2"

        d = datetime(2015, 1, 1, 10, 11, 12) - datetime(2015, 1, 1, 11, 12, 13)
        assert times.format_TIMEDELTA(d) == "-1 22:58:59"

    def test_format_timestamp(self):
        assert times.format_TIMESTAMP(datetime(2015, 2, 3)) == "2015-02-03 00:00:00"
        self.assertEqual(
            times.format_TIMESTAMP(datetime(2015, 2, 3, 17, 18, 19)),
            "2015-02-03 17:18:19",
        )
        self.assertEqual(
            times.format_TIMESTAMP(datetime(15, 2, 3, 17, 18, 19)),
            "0015-02-03 17:18:19",
        )
