"""Events app service registration."""
from __future__ import annotations


def register_domain_services() -> None:
    """Register services for the events app.

    Events owns: Calendar, CalendarEntry, CalendarSlot, TicketType,
    Ticket, CalendarEntryPost.
    Standard deployment registers all 4 services as real DB impls
    (shared DB). For composable deployments, swap non-owned services
    with stubs from shared.services.stubs.
    """
    from shared.services.registry import services
    from shared.services.blog_impl import SqlBlogService
    from shared.services.calendar_impl import SqlCalendarService
    from shared.services.market_impl import SqlMarketService
    from shared.services.cart_impl import SqlCartService

    services.calendar = SqlCalendarService()
    if not services.has("blog"):
        services.blog = SqlBlogService()
    if not services.has("market"):
        services.market = SqlMarketService()
    if not services.has("cart"):
        services.cart = SqlCartService()