byceps/byceps

"""
byceps.services.tourney.tourney_domain_service
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

:Copyright: 2014-2024 Jochen Kupperschmidt
:License: Revised BSD (see `LICENSE` file for details)
"""

from datetime import datetime

from byceps.events.base import EventUser
from byceps.events.tourney import EventTourney, TourneyCreatedEvent
from byceps.services.party.models import Party
from byceps.services.user.models.user import User
from byceps.util.uuid import generate_uuid7

from .models import Tourney, TourneyID, TourneyCategory


def create_tourney(
    party: Party,
    creator: User,
    title: str,
    category: TourneyCategory,
    max_participant_count: int,
    starts_at: datetime,
    *,
    subtitle: str | None = None,
    logo_url: str | None = None,
    registration_open: bool = False,
) -> tuple[Tourney, TourneyCreatedEvent]:
    """Create a tourney."""
    tourney_id = TourneyID(generate_uuid7())
    occurred_at = datetime.utcnow()
    current_participant_count = 0

    tourney = Tourney(
        tourney_id,
        party.id,
        title,
        subtitle,
        logo_url,
        category.id,
        current_participant_count,
        max_participant_count,
        starts_at,
        registration_open,
    )

    event = _build_tourney_created_event(tourney, occurred_at, creator)

    return tourney, event


def _build_tourney_created_event(
    tourney: Tourney, occurred_at: datetime, creator: User
) -> TourneyCreatedEvent:
    return TourneyCreatedEvent(
        occurred_at=occurred_at,
        initiator=EventUser.from_user(creator),
        tourney=EventTourney(id=str(tourney.id), title=tourney.title),
    )