from fastapi import FastAPI, Depends, HTTPException, Request
from fastapi.responses import RedirectResponse, JSONResponse
from app.cabletv.utils.auth import get_current_user, exchange_code_for_token

app = FastAPI()

@app.get("/")
async def root():
    return {"message": "IPTV Updater API"}

@app.get("/protected")
async def protected_route(request: Request, user = Depends(get_current_user)):
    if isinstance(user, RedirectResponse):
        return user
    return {"message": "Protected content", "user": user['Username']}

@app.get("/auth/callback")
async def auth_callback(request: Request, code: str):
    try:
        redirect_uri = str(request.base_url)
        tokens = exchange_code_for_token(code, redirect_uri)
        
        response = JSONResponse(content={
            "message": "Authentication successful",
            "id_token": tokens["id_token"]
        })
        
        response.set_cookie(
            key="token",
            value=tokens["id_token"],
            httponly=True,
            secure=True,
            samesite="lax"
        )
        
        return response
    except Exception as e:
        raise HTTPException(
            status_code=400,
            detail=f"Authentication failed: {str(e)}"
        )