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

from app.api.routes import router
from app.core.config import CAPITAL_IMAGE_UPLOADS_DIR, MAIN_CAPITAL_FLOW_UPLOADS_DIR
from app.core.bootstrap import bootstrap_data
from app.services.sync_scheduler import sync_scheduler


def create_app() -> FastAPI:
    app = FastAPI(
        title="Southbound Capital Monitor",
        version="0.1.0",
        description="南向资金监控平台 API",
    )

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

    bootstrap_data()
    app.mount("/capital-images/uploads", StaticFiles(directory=CAPITAL_IMAGE_UPLOADS_DIR), name="capital-image-uploads")
    app.mount("/main-capital-flow-images", StaticFiles(directory=MAIN_CAPITAL_FLOW_UPLOADS_DIR), name="main-capital-flow-images")

    @app.on_event("startup")
    def startup_sync_scheduler() -> None:
        sync_scheduler.start()

    @app.on_event("shutdown")
    def shutdown_sync_scheduler() -> None:
        sync_scheduler.stop()

    app.include_router(router, prefix="/api")
    return app


app = create_app()