import logging
import os
import sys
from pathlib import Path

import uvicorn
from fastapi import FastAPI, HTTPException
from fastapi.responses import FileResponse
from fastapi.staticfiles import StaticFiles

sys.path.insert(0, str(Path(__file__).parent))

from database import Base, engine
from routers import auth_router, caldav_router, settings_router, users_router

logging.basicConfig(level=logging.INFO)

# Create DB tables on startup
Base.metadata.create_all(bind=engine)

app = FastAPI(title="Calendarr", docs_url=None, redoc_url=None)

app.include_router(auth_router.router, prefix="/api/auth", tags=["auth"])
app.include_router(users_router.router, prefix="/api/users", tags=["users"])
app.include_router(caldav_router.router, prefix="/api/caldav", tags=["caldav"])
app.include_router(settings_router.router, prefix="/api/settings", tags=["settings"])

FRONTEND_DIR = Path(__file__).parent.parent / "frontend"
app.mount("/static", StaticFiles(directory=str(FRONTEND_DIR)), name="static")


@app.get("/{full_path:path}")
async def spa_fallback(full_path: str):
    if full_path.startswith("api/"):
        raise HTTPException(status_code=404, detail="API endpoint not found")
    index = FRONTEND_DIR / "index.html"
    return FileResponse(str(index))


if __name__ == "__main__":
    port = int(os.environ.get("PORT", 8080))
    host = os.environ.get("HOST", "0.0.0.0")
    uvicorn.run(app, host=host, port=port)