from fastapi import FastAPI
from core_shared.observability import add_observability
from core_shared.security import add_internal_service_auth

from app.api.routes import router
from app.bootstrap.settings import EventServiceSettings
from app.db.session import build_session_factory


def create_app() -> FastAPI:
    settings = EventServiceSettings()
    app = FastAPI(
        title="agent-platform event-service",
        version="0.1.0",
    )
    app.state.settings = settings
    app.state.session_factory = build_session_factory(settings)
    add_observability(app, settings.service_name)
    add_internal_service_auth(app, settings)
    app.include_router(router, prefix="/events", tags=["events"])
    return app