"""These tests make sure that we have some coverage on the usage of the PERIOD value type.

See
- https://github.com/collective/icalendar/issues/156
- https://github.com/pimutils/khal/issues/152#issuecomment-933635248
"""
import pytest
from icalendar.prop import vDDDTypes
import datetime


@pytest.mark.parametrize("calname,tzname,index,period_string", [
    ("issue_156_RDATE_with_PERIOD_TZID_khal_2", "Europe/Berlin", 0, "20211101T160000/20211101T163000"),
    ("issue_156_RDATE_with_PERIOD_TZID_khal_2", "Europe/Berlin", 1, "20211206T160000/20211206T163000"),
    ("issue_156_RDATE_with_PERIOD_TZID_khal_2", "Europe/Berlin", 2, "20220103T160000/20220103T163000"),
    ("issue_156_RDATE_with_PERIOD_TZID_khal_2", "Europe/Berlin", 3, "20220207T160000/20220207T163000"),
] + [
    ("issue_156_RDATE_with_PERIOD_TZID_khal", "America/Chicago", i, period)
    for i, period in enumerate(("20180327T080000/20180327T0"
        "90000,20180403T080000/20180403T090000,20180410T080000/20180410T090000,2018"
        "0417T080000/20180417T090000,20180424T080000/20180424T090000,20180501T08000"
        "0/20180501T090000,20180508T080000/20180508T090000,20180515T080000/20180515"
        "T090000,20180522T080000/20180522T090000,20180529T080000/20180529T090000,20"
        "180605T080000/20180605T090000,20180612T080000/20180612T090000,20180619T080"
        "000/20180619T090000,20180626T080000/20180626T090000,20180703T080000/201807"
        "03T090000,20180710T080000/20180710T090000,20180717T080000/20180717T090000,"
        "20180724T080000/20180724T090000,20180731T080000/20180731T090000").split(","))
])
def test_issue_156_period_list_in_rdate(calendars, calname, tzname, index, period_string):
    """Check items in a list of period values."""
    calendar = calendars[calname]
    rdate = calendar.walk("vevent")[0]["rdate"]
    period = rdate.dts[index]
    assert period.dt == vDDDTypes.from_ical(period_string, timezone=tzname)


def test_duration_properly_parsed(events):
    """This checks the duration PT5H30M."""
    start = vDDDTypes.from_ical("19970109T180000Z")
    duration = vDDDTypes.from_ical("PT5H30M")
    rdate = events.issue_156_RDATE_with_PERIOD_list["RDATE"]
    print(rdate)
    period = rdate.dts[1].dt
    print(dir(duration))
    assert period[0] == start
    assert period[1].days == 0
    assert period[1].seconds == (5 * 60 + 30) * 60
    assert period[1] == duration


def test_tzid_is_part_of_the_parameters(calendars):
    """The TZID should be mentioned in the parameters."""
    event = list(calendars.period_with_timezone.walk("VEVENT"))[0]
    assert event["RDATE"].params["TZID"] == "America/Vancouver"


def test_tzid_is_part_of_the_period_values(calendars, tzp):
    """The TZID should be set in the datetime."""
    event = list(calendars.period_with_timezone.walk("VEVENT"))[0]
    start, end = event["RDATE"].dts[0].dt
    assert start == tzp.localize(datetime.datetime(2023, 12, 13, 12), "America/Vancouver")
    assert end == tzp.localize(datetime.datetime(2023, 12, 13, 15), "America/Vancouver")