import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles

from app.core.config import settings
from app.core.db import ensure_indexes
from app.routers import alerts, auth, devices, keys, policy, reviews, screenshots


logger = logging.getLogger(__name__)


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Lifespan context manager for startup/shutdown events."""
    # Startup
    await ensure_indexes()
    if settings.warmup_game_models:
        try:
            from app.services import classifier

            warmup = getattr(classifier, "warmup_game_classifiers", None)
            if callable(warmup):
                warmup()
            else:
                logger.warning("game-classifier warmup skipped: missing warmup_game_classifiers")
        except Exception as exc:
            logger.warning("game-classifier warmup skipped: %s", exc)
    yield
    # Shutdown (cleanup if needed)


app = FastAPI(title=settings.app_name, lifespan=lifespan)

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

app.include_router(auth.router, prefix=settings.api_prefix)
app.include_router(devices.router, prefix=settings.api_prefix)
app.include_router(policy.router, prefix=settings.api_prefix)
app.include_router(screenshots.router, prefix=settings.api_prefix)
app.include_router(keys.router, prefix=settings.api_prefix)
app.include_router(alerts.router, prefix=settings.api_prefix)
app.include_router(reviews.router, prefix=settings.api_prefix)
app.mount(settings.media_prefix, StaticFiles(directory=settings.storage_dir), name="media")


@app.get("/health")
def health() -> dict[str, str]:
    return {"status": "ok"}


if __name__ == "__main__":
    import uvicorn
    uvicorn.run(
        "app.main:app",
        host="0.0.0.0",
        port=7860,
        reload=False,
    )