"""Tests for UK school holiday parsing."""

from __future__ import annotations

import datetime
from pathlib import Path

from agenda import uk_school_holiday


def test_parse_school_holidays_from_ics() -> None:
    """Parse holiday ranges and skip bank-holiday events."""
    ics_text = """BEGIN:VCALENDAR
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260525
DTEND;VALUE=DATE:20260601
SUMMARY;LANGUAGE=en-gb:Half Term Holiday (Bristol notes)
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260831
DTEND;VALUE=DATE:20260901
SUMMARY;LANGUAGE=en-gb:Summer Bank Holiday
END:VEVENT
END:VCALENDAR
"""

    parsed = uk_school_holiday.parse_school_holidays_from_ics(ics_text)
    assert len(parsed) == 1
    assert parsed[0].name == "uk_school_holiday"
    assert parsed[0].title == "Half Term Holiday"
    assert parsed[0].as_date == datetime.date(2026, 5, 25)
    assert parsed[0].end_as_date == datetime.date(2026, 5, 31)


def test_school_holiday_list_filters_overlap(tmp_path: Path) -> None:
    """Filter cached school holiday ranges by overlap."""
    filename = uk_school_holiday.json_filename(str(tmp_path))
    with open(filename, "w", encoding="utf-8") as out:
        out.write(
            '[{"name":"uk_school_holiday","title":"Easter Holiday",'
            '"start":"2026-04-01","end":"2026-04-12","url":""}]'
        )

    events = uk_school_holiday.school_holiday_list(
        datetime.date(2026, 4, 10),
        datetime.date(2026, 4, 20),
        str(tmp_path),
    )
    assert len(events) == 1
    assert events[0].title == "Easter Holiday"