import os
import sys
import pytest
import tempfile

sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))

@pytest.fixture
def ics_sample():
    """Return a sample ICS string with 2 events."""
    return """BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Test
BEGIN:VEVENT
UID:evt-001@test.com
DTSTAMP:20240101T000000Z
DTSTART:20240101T100000Z
DTEND:20240101T110000Z
SUMMARY:Event One
END:VEVENT
BEGIN:VEVENT
UID:evt-002@test.com
DTSTAMP:20240101T000000Z
DTSTART:20240102T100000Z
DTEND:20240102T110000Z
SUMMARY:Event Two
END:VEVENT
END:VCALENDAR"""

@pytest.fixture
def ics_sample_modified():
    """Return ICS with one modified event and one new event."""
    return """BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Test
BEGIN:VEVENT
UID:evt-001@test.com
DTSTAMP:20240101T000000Z
DTSTART:20240101T100000Z
DTEND:20240101T120000Z
SUMMARY:Event One Modified
END:VEVENT
BEGIN:VEVENT
UID:evt-003@test.com
DTSTAMP:20240101T000000Z
DTSTART:20240103T100000Z
DTEND:20240103T110000Z
SUMMARY:Event Three
END:VEVENT
END:VCALENDAR"""

@pytest.fixture
def tmp_db():
    """Return a temp database path."""
    with tempfile.NamedTemporaryFile(suffix=".db", delete=False) as f:
        path = f.name
    yield path
    if os.path.exists(path):
        os.unlink(path)

@pytest.fixture(autouse=True)
def env_vars(monkeypatch):
    """Set up required env vars for config tests."""
    monkeypatch.setenv("ICS_URL", "https://example.com/cal.ics")
    monkeypatch.setenv("BAIKAL_URL", "https://baikal.com/dav.php/calendars/user/cal/")
    monkeypatch.setenv("BAIKAL_USER", "user")
    monkeypatch.setenv("BAIKAL_PASS", "pass")
    monkeypatch.setenv("SYNC_FREQUENCY", "5")