from typing import Optional
from fastapi import Depends
from .oauth import OAuthService
from .youtube import YoutubeService
from .redis import RedisOAuthStorage, RedisYouTubeStorage, get_oauth_storage, get_youtube_storage

class GoogleService:
    '''Google 통합 관리 서비스'''
    def __init__(self, oauth_storage: RedisOAuthStorage, youtube_storage: RedisYouTubeStorage):
        self.oauth = OAuthService(oauth_storage)
        self.youtube = YoutubeService(youtube_storage, oauth_storage)
        
    async def login_url(self, return_url: str):
        '''Google OAuth 로그인 URL 생성'''
        return await self.oauth.login_url(return_url)
    
    async def callback(self, state: str, code: str):
        '''Google OAuth 콜백 처리'''
        return await self.oauth.callback(state, code)
    
    async def get_token_info(self, temp_token_id: str):
        '''임시 토큰 ID로 토큰 정보 조회'''
        return await self.oauth.get_token_by_temp_id(temp_token_id)
    
    async def get_all_youtube_channel_info(self, access_token: str, refresh_token: Optional[str] = None):
        '''YouTube 모든 채널 정보 조회'''
        return await self.youtube.get_all_channel_info(access_token, refresh_token)

# GoogleService 의존성 주입
async def get_google_service(
    oauth_storage: RedisOAuthStorage = Depends(get_oauth_storage),
    youtube_storage: RedisYouTubeStorage = Depends(get_youtube_storage)
) -> GoogleService:
    return GoogleService(oauth_storage, youtube_storage)