from fastapi import APIRouter, Depends, Query, Request
from fastapi.responses import RedirectResponse
from typing import Optional

from app.dependencies import get_google_service
from app.presentation.schemas.social.google_schema import GoogleTokenResponse, GoogleCallbackResponse, GoogleHealthResponse
from app.infra.google.service import GoogleService
from app.shared.decorator.response_wrapper import response_wrapper

FRONTEND_BASE_URL = "http://localhost:3300"

router = APIRouter(prefix="/social", tags=["social"])

@router.get("/google/login")
async def google_login(
    request: Request,
    return_url: Optional[str] = Query(None, description="로그인 후 돌아갈 URL"),
    google_service: GoogleService = Depends(get_google_service)
):
    """Google OAuth 로그인 시작"""
    return await google_service.get_login_url(return_url, request)

@router.get("/google/callback")
async def google_callback(
    request: Request,
    error: Optional[str] = Query(None, description="Google OAuth 에러"),
    google_service: GoogleService = Depends(get_google_service)
):
    """Google OAuth 콜백 처리"""
    if error:
        error_url = f"{FRONTEND_BASE_URL}/auth/error?error={error}"
        return RedirectResponse(url=error_url)
    
    try:
        result = await google_service.handle_callback(request)
        temp_token_id = result.temp_token_id
        return_url = result.return_url or f"{FRONTEND_BASE_URL}/auth/success"
        
        # return_url에 토큰 정보 추가
        separator = "&" if "?" in return_url else "?"
        redirect_url = f"{return_url}{separator}token={temp_token_id}&auth_success=true"
        
        print(f"🔄 Google OAuth 콜백 완료 - 리다이렉트: {redirect_url}")
        return RedirectResponse(url=redirect_url)
        
    except Exception as e:
        print(f"❌ Google OAuth 콜백 에러: {e}")
        error_url = f"{FRONTEND_BASE_URL}/auth/error?message={str(e)}"
        return RedirectResponse(url=error_url)

@router.get("/google/token/{temp_token_id}")
async def get_google_token_info(
    temp_token_id: str,
    google_service: GoogleService = Depends(get_google_service)
) -> GoogleTokenResponse:
    """임시 토큰 ID로 Google 토큰 정보 조회"""
    return await google_service.get_token_by_temp_id(temp_token_id)