import datetime

import pytest


@pytest.mark.parametrize(
    ("field", "expected_value"),
    [
        ("PRODID", "-//Plönë.org//NONSGML plone.app.event//EN"),
        ("X-WR-CALDESC", "test non ascii: äöü ÄÖÜ €"),
    ],
)
def test_calendar_from_ical_respects_unicode(field, expected_value, calendars):
    cal = calendars.calendar_with_unicode
    assert cal[field].to_ical().decode("utf-8") == expected_value


@pytest.mark.parametrize(
    ("test_input", "field", "expected_value"),
    [
        ("event_with_unicode_fields", "SUMMARY", "Non-ASCII Test: ÄÖÜ äöü €"),
        (
            "event_with_unicode_fields",
            "DESCRIPTION",
            "icalendar should be able to handle non-ascii: €äüöÄÜÖ.",
        ),
        ("event_with_unicode_fields", "LOCATION", "Tribstrül"),
        # Non-unicode characters in summary
        # https://github.com/collective/icalendar/issues/64
        ("issue_64_event_with_non_ascii_summary", "SUMMARY", "åäö"),
        # Unicode characters in summary
        ("issue_64_event_with_ascii_summary", "SUMMARY", "abcdef"),
    ],
)
def test_event_from_ical_respects_unicode(test_input, field, expected_value, events):
    event = events[test_input]
    assert event[field].to_ical().decode("utf-8") == expected_value


@pytest.mark.parametrize(
    ("test_input", "expected_output"),
    [
        # chokes on umlauts in ORGANIZER
        # https://github.com/collective/icalendar/issues/101
        ("issue_101_icalendar_chokes_on_umlauts_in_organizer", "acme, ädmin"),
        ("event_with_unicode_organizer", "Джон Доу"),
    ],
)
def test_events_parameter_unicoded(events, test_input, expected_output):
    assert events[test_input]["ORGANIZER"].params["CN"] == expected_output


def test_parses_event_with_non_ascii_tzid_issue_237(calendars, in_timezone):
    """Issue #237 - Fail to parse timezone with non-ascii TZID
    see https://github.com/collective/icalendar/issues/237
    """
    start = calendars.issue_237_fail_to_parse_timezone_with_non_ascii_tzid.walk(
        "VEVENT"
    )[0].decoded("DTSTART")
    expected = in_timezone(datetime.datetime(2017, 5, 11, 13, 30), "America/Sao_Paulo")
    assert not calendars.issue_237_fail_to_parse_timezone_with_non_ascii_tzid.errors
    assert start == expected


def test_parses_timezone_with_non_ascii_tzid_issue_237(timezones):
    """Issue #237 - Fail to parse timezone with non-ascii TZID
    see https://github.com/collective/icalendar/issues/237
    """
    assert timezones.issue_237_brazilia_standard["tzid"] == "(UTC-03:00) Brasília"


@pytest.mark.parametrize("timezone_name", ["standard", "daylight"])
def test_parses_timezone_with_non_ascii_tzname_issue_273(timezones, timezone_name):
    """Issue #237 - Fail to parse timezone with non-ascii TZID
    see https://github.com/collective/icalendar/issues/237
    """
    assert (
        timezones.issue_237_brazilia_standard.walk(timezone_name)[0]["TZNAME"]
        == f"Brasília {timezone_name}"
    )


def test_broken_property(calendars):
    """
    Test if error messages are encoded properly.
    """
    for event in calendars.broken_ical.walk("vevent"):
        assert len(event.errors) == 1, "Not the right amount of errors."
        error = event.errors[0][1]
        assert error.startswith("Content line could not be parsed into parts")


def test_apple_xlocation(calendars):
    """
    Test if we support base64 encoded binary data in parameter values.
    """
    for event in calendars.x_location.walk("vevent"):
        assert len(event.errors) == 0, "Got too many errors"