import pytest
from datetime import datetime, time, timedelta, timezone
from uuid import uuid4, UUID

from app.schemas.events import EventCreate, EventUpdate, EventResponse


def test_valid_event_create():
    event_date = datetime.now(tz=timezone.utc) + timedelta(days=1)
    event_data = {
        "title": "Emma's First Birthday",
        "slug": "emmas-first-birthday",
        "description": "Join us for Emma's first birthday celebration!",
        "event_date": event_date,
        "timezone": "America/New_York",
        "location_name": "Central Park",
        "is_public": False,
        "access_code": "EMMA2024"
    }
    event = EventCreate(**event_data)
    assert event.title == "Emma's First Birthday"
    assert event.slug == "emmas-first-birthday"
    assert event.timezone == "America/New_York"


def test_invalid_event_create():
    event_date = datetime.now(tz=timezone.utc) - timedelta(days=1)
    with pytest.raises(ValueError):
        EventCreate(
            title="Past Event",
            slug="past-event",
            event_date=event_date,
            timezone="America/New_York"
        )


def test_invalid_timezone():
    with pytest.raises(ValueError):
        EventCreate(
            title="Test Event",
            slug="test-event",
            event_date=datetime.now(tz=timezone.utc) + timedelta(days=1),
            timezone="Invalid/Timezone"
        )


def test_event_update_partial():
    update_data = {
        "title": "Updated Title",
        "description": "Updated description"
    }
    event_update = EventUpdate(**update_data)
    assert event_update.title == "Updated Title"
    assert event_update.description == "Updated description"


def test_event_response():
    event_date = datetime.now(tz=timezone.utc) + timedelta(days=1)
    event_data = {
        "id": uuid4(),
        "title": "Test Event",
        "slug": "test-event",
        "event_date": event_date,
        "timezone": "UTC",
        "created_by": uuid4(),
        "created_at": datetime.now(tz=timezone.utc),
        "updated_at": datetime.now(tz=timezone.utc)
    }
    event_response = EventResponse(**event_data)
    assert event_response.title == "Test Event"
    assert isinstance(event_response.id, UUID)


def test_invalid_slug_format():
    event_date = datetime.now(tz=timezone.utc) + timedelta(days=1)
    with pytest.raises(ValueError):
        EventCreate(
            title="Test Event",
            slug="Invalid Slug!",  # Invalid slug format
            event_date=event_date,
            timezone="UTC"
        )


def test_rsvp_deadline_validation():
    event_date = datetime.now(tz=timezone.utc) + timedelta(days=10)
    invalid_deadline = event_date + timedelta(days=1)

    with pytest.raises(ValueError):
        EventCreate(
            title="Test Event",
            slug="test-event",
            event_date=event_date,
            timezone="UTC",
            rsvp_deadline=invalid_deadline
        )