from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app.api.router import api_router
from app.core.config import get_settings
from app.core.scheduler import attach_scheduler


def create_app() -> FastAPI:
    """Create and configure the FastAPI application."""

    settings = get_settings()
    app = FastAPI(
        title=settings.app_name,
        debug=settings.debug,
        version="0.1.0",
        description=(
            "AI integration layer for company lifecycle management, existing MySQL "
            "project systems, Feishu, OpenClaw, Hermes, and model providers."
        ),
    )

    app.add_middleware(
        CORSMiddleware,
        allow_origins=settings.cors_origins,
        allow_credentials=True,
        allow_methods=["*"],
        allow_headers=["*"],
    )

    app.include_router(api_router, prefix=settings.api_prefix)
    attach_scheduler(app)
    return app


app = create_app()