import vrchatapi
from vrchatapi.api import authentication_api
from vrchatapi.exceptions import UnauthorizedException, ApiException
from vrchatapi.models.two_factor_auth_code import TwoFactorAuthCode
from vrchatapi.models.two_factor_email_code import TwoFactorEmailCode
from totp import getTOTP
import os

def getGroupInstances():
    group_instances = []

    configuration = vrchatapi.Configuration( 
        # Get username/password from env variables
        username = os.getenv("USER_NAME"),
        password = os.getenv("USER_PASSWORD"),
    )

    group_id = os.getenv("GROUP_ID")

    with vrchatapi.ApiClient(configuration) as api_client:
            # Set our User-Agent as per VRChat Usage Policy
            api_client.user_agent = "GroupInstanceLogger/0.1alpha me@williamtpeebles.com"

            # Instantiate instances of API classes
            auth_api = authentication_api.AuthenticationApi(api_client)

            try:
                # Calling getCurrentUser on Authentication API logs you in if the user isn't already logged in.
                current_user = auth_api.get_current_user()
            except UnauthorizedException as e:
                if e.status == 200:
                    if "Email 2 Factor Authentication" in e.reason:
                        # Calling email verify2fa if the account has 2FA disabled, give warning that automatic runs cannot be done
                        print("IMPORTANT: Your VRChat Account is only enabled for **email** based 2-factor authentication! "
                              "You will not be able to automate runs of GroupInstanceLogger\n"
                              "Set up your account to use TOTP-based 2FA so the application can log you in automatically\n\n")
                        auth_api.verify2_fa_email_code(two_factor_email_code=TwoFactorEmailCode(input("Email 2FA Code: ")))
                    elif "2 Factor Authentication" in e.reason:
                        # Check if TOTP code is defined in env variables
                        if os.getenv("TOTP_KEY") is not None:
                            print("Attempting to authenticate with defined TOTP key")
                            auth_api.verify2_fa(two_factor_auth_code=TwoFactorAuthCode(getTOTP()))
                        else:
                            # TOTP prompt if not configured
                            auth_api.verify2_fa(two_factor_auth_code=input("Enter 2FA Code: "))
                        # Calling verify2fa if the account has 2FA enabled
                    current_user = auth_api.get_current_user()

                    # Call groups APIs
                    groups_api_instance = vrchatapi.GroupsApi(api_client)

                    try:
                        api_response = groups_api_instance.get_group_instances(group_id) # Get group
                        for instance in api_response:
                            group_instances.append(instance)
                        return group_instances
                    except ApiException as e:
                        print("Exception when calling GroupsApi->get_group: %s\n" % e)
                else:
                    print("Exception when calling API: %s\n", e)
            except vrchatapi.ApiException as e:
                print("Exception when calling API: %s\n", e)

            print("Logged in as:", current_user.display_name)