import sys
from schemas import LoginSchema
from repositories import UserRepository
from models import ApiResponse
from google.oauth2 import id_token
from google.auth.transport import requests
from configs import Config


class AuthService:
    def __init__(self, userRepository: UserRepository):
        self.user_repository = userRepository

    def verify_google_id_token(self, id_token_str):
        try:
            payload = id_token.verify_oauth2_token(
                id_token_str, requests.Request(), Config.GOOGLE_CLIENT_ID
            )

            print(f"output verify {payload}", file=sys.stderr)

            user_data = {
                "_id": payload.get("sub"),
                "email": payload.get("email"),
                "name": payload.get("name"),
                "picture": payload.get("picture"),
                "given_name": payload.get("given_name"),
                "family_name": payload.get("family_name"),
                "locale": payload.get("locale"),
                "email_verified": payload.get("email_verified", False),
                "iat": payload.get("iat"),
                "exp": payload.get("exp"),
            }

            return payload
        except Exception as e:
            print(f"issue on the verify {e}", file=sys.stderr)
            return None

    def login(self, data: LoginSchema):
        try:

            user_data = self.user_repository.get_user_by_email(data.email)

            if user_data == None:
                return ApiResponse(success=False, message="User not found", data=None)

            if user_data["password"] == data.password:
                del user_data["password"]
                return ApiResponse(
                    success=True, message="Login success", data=user_data
                )

            return ApiResponse(success=False, message="Invalid password", data=None)
        except Exception as e:
            print(f"the issue is {e}")
            return ApiResponse(
                success=False, message="Internal server error", data=None
            )