import datetime

import pendulum
import pytest

from pendulum.parsing import ParserError
from pendulum.parsing import parse


def test_y():
    text = "2016"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 1 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_ym():
    text = "2016-10"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_ymd():
    text = "2016-10-06"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 6 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_ymd_one_character():
    text = "2016-2-6"

    parsed = parse(text, strict=False)

    assert 2016 == parsed.year
    assert 2 == parsed.month
    assert 6 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_ymd_hms():
    text = "2016-10-06 12:34:56"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 6 == parsed.day
    assert 12 == parsed.hour
    assert 34 == parsed.minute
    assert 56 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2016-10-06 12:34:56.123456"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 6 == parsed.day
    assert 12 == parsed.hour
    assert 34 == parsed.minute
    assert 56 == parsed.second
    assert 123456 == parsed.microsecond
    assert parsed.tzinfo is None


def test_rfc_3339():
    text = "2016-10-06T12:34:56+05:30"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 6 == parsed.day
    assert 12 == parsed.hour
    assert 34 == parsed.minute
    assert 56 == parsed.second
    assert 0 == parsed.microsecond
    assert 19800 == parsed.utcoffset().total_seconds()


def test_rfc_3339_extended():
    text = "2016-10-06T12:34:56.123456+05:30"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 6 == parsed.day
    assert 12 == parsed.hour
    assert 34 == parsed.minute
    assert 56 == parsed.second
    assert 123456 == parsed.microsecond
    assert 19800 == parsed.utcoffset().total_seconds()

    text = "2016-10-06T12:34:56.000123+05:30"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 6 == parsed.day
    assert 12 == parsed.hour
    assert 34 == parsed.minute
    assert 56 == parsed.second
    assert 123 == parsed.microsecond
    assert 19800 == parsed.utcoffset().total_seconds()


def test_rfc_3339_extended_nanoseconds():
    text = "2016-10-06T12:34:56.123456789+05:30"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 6 == parsed.day
    assert 12 == parsed.hour
    assert 34 == parsed.minute
    assert 56 == parsed.second
    assert 123456 == parsed.microsecond
    assert 19800 == parsed.utcoffset().total_seconds()


def test_iso_8601_date():
    text = "2012"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012-05-03"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 5 == parsed.month
    assert 3 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "20120503"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 5 == parsed.month
    assert 3 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012-05"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 5 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_iso8601_datetime():
    text = "2016-10-01T14"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 1 == parsed.day
    assert 14 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2016-10-01T14:30"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 1 == parsed.day
    assert 14 == parsed.hour
    assert 30 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "20161001T14"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 1 == parsed.day
    assert 14 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "20161001T1430"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 1 == parsed.day
    assert 14 == parsed.hour
    assert 30 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "20161001T1430+0530"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 1 == parsed.day
    assert 14 == parsed.hour
    assert 30 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert 19800 == parsed.utcoffset().total_seconds()

    text = "20161001T1430,4+0530"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 10 == parsed.month
    assert 1 == parsed.day
    assert 14 == parsed.hour
    assert 30 == parsed.minute
    assert 0 == parsed.second
    assert 400000 == parsed.microsecond
    assert 19800 == parsed.utcoffset().total_seconds()

    text = "2008-09-03T20:56:35.450686+01"

    parsed = parse(text)

    assert 2008 == parsed.year
    assert 9 == parsed.month
    assert 3 == parsed.day
    assert 20 == parsed.hour
    assert 56 == parsed.minute
    assert 35 == parsed.second
    assert 450686 == parsed.microsecond
    assert 3600 == parsed.utcoffset().total_seconds()


def test_iso8601_week_number():
    text = "2012-W05"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 30 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012W05"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 30 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    # Long Year
    text = "2015W53"

    parsed = parse(text)

    assert 2015 == parsed.year
    assert 12 == parsed.month
    assert 28 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012-W05-5"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 2 == parsed.month
    assert 3 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012W055"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 2 == parsed.month
    assert 3 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2009-W53-7"
    parsed = parse(text)

    assert 2010 == parsed.year
    assert 1 == parsed.month
    assert 3 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2009-W01-1"
    parsed = parse(text)

    assert 2008 == parsed.year
    assert 12 == parsed.month
    assert 29 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_iso8601_week_number_with_time():
    text = "2012-W05T09"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 30 == parsed.day
    assert 9 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012W05T09"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 30 == parsed.day
    assert 9 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012-W05-5T09"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 2 == parsed.month
    assert 3 == parsed.day
    assert 9 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012W055T09"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 2 == parsed.month
    assert 3 == parsed.day
    assert 9 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_iso8601_ordinal():
    text = "2012-007"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 7 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "2012007"

    parsed = parse(text)

    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 7 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_iso8601_time():
    now = pendulum.datetime(2015, 11, 12)

    text = "201205"

    parsed = parse(text, now=now)

    assert 2015 == parsed.year
    assert 11 == parsed.month
    assert 12 == parsed.day
    assert 20 == parsed.hour
    assert 12 == parsed.minute
    assert 5 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "20:12:05"

    parsed = parse(text, now=now)

    assert 2015 == parsed.year
    assert 11 == parsed.month
    assert 12 == parsed.day
    assert 20 == parsed.hour
    assert 12 == parsed.minute
    assert 5 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "20:12:05.123456"

    parsed = parse(text, now=now)

    assert 2015 == parsed.year
    assert 11 == parsed.month
    assert 12 == parsed.day
    assert 20 == parsed.hour
    assert 12 == parsed.minute
    assert 5 == parsed.second
    assert 123456 == parsed.microsecond
    assert parsed.tzinfo is None


def test_iso8601_ordinal_invalid():
    text = "2012-007-05"

    with pytest.raises(ParserError):
        parse(text)


def test_exact():
    text = "2012"

    parsed = parse(text, exact=True)

    assert isinstance(parsed, datetime.date)
    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 1 == parsed.day

    text = "2012-03"

    parsed = parse(text, exact=True)

    assert isinstance(parsed, datetime.date)
    assert 2012 == parsed.year
    assert 3 == parsed.month
    assert 1 == parsed.day

    text = "2012-03-13"

    parsed = parse(text, exact=True)

    assert isinstance(parsed, datetime.date)
    assert 2012 == parsed.year
    assert 3 == parsed.month
    assert 13 == parsed.day

    text = "2012W055"

    parsed = parse(text, exact=True)

    assert isinstance(parsed, datetime.date)
    assert 2012 == parsed.year
    assert 2 == parsed.month
    assert 3 == parsed.day

    text = "2012007"

    parsed = parse(text, exact=True)

    assert isinstance(parsed, datetime.date)
    assert 2012 == parsed.year
    assert 1 == parsed.month
    assert 7 == parsed.day

    text = "20:12:05"

    parsed = parse(text, exact=True)

    assert isinstance(parsed, datetime.time)
    assert 20 == parsed.hour
    assert 12 == parsed.minute
    assert 5 == parsed.second
    assert 0 == parsed.microsecond


def test_edge_cases():
    text = "2013-11-1"

    parsed = parse(text, strict=False)
    assert 2013 == parsed.year
    assert 11 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "10-01-01"

    parsed = parse(text, strict=False)
    assert 2010 == parsed.year
    assert 1 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "31-01-01"

    parsed = parse(text, strict=False)
    assert 2031 == parsed.year
    assert 1 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None

    text = "32-01-01"

    parsed = parse(text, strict=False)
    assert 2032 == parsed.year
    assert 1 == parsed.month
    assert 1 == parsed.day
    assert 0 == parsed.hour
    assert 0 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_strict():
    text = "4 Aug 2015 - 11:20 PM"

    with pytest.raises(ParserError):
        parse(text)

    parsed = parse(text, strict=False)
    assert 2015 == parsed.year
    assert 8 == parsed.month
    assert 4 == parsed.day
    assert 23 == parsed.hour
    assert 20 == parsed.minute
    assert 0 == parsed.second
    assert 0 == parsed.microsecond
    assert parsed.tzinfo is None


def test_invalid():
    text = "201610T"

    with pytest.raises(ParserError):
        parse(text)

    text = "2012-W54"

    with pytest.raises(ParserError):
        parse(text)

    text = "2012-W13-8"

    with pytest.raises(ParserError):
        parse(text)

    # W53 in normal year (not long)
    text = "2017W53"

    with pytest.raises(ParserError):
        parse(text)


def test_exif_edge_case():
    text = "2016:12:26 15:45:28"

    parsed = parse(text)

    assert 2016 == parsed.year
    assert 12 == parsed.month
    assert 26 == parsed.day
    assert 15 == parsed.hour
    assert 45 == parsed.minute
    assert 28 == parsed.second