# coding: utf-8

# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------

"""
FILE: managed_identity_authentication_sample.py
DESCRIPTION:
    This sample demonstrates how to authenticate the PhoneNumbersClient using managed identity
USAGE:
    python managed_identity_authentication_sample.py
    Set the environment variables with your own values before running the sample:
    1) COMMUNICATION_SAMPLES_CONNECTION_STRING - The connection string of your Azure Communication Service resource
    2) AZURE_CLIENT_ID - The id of your registered Azure Active Directory application
    3) AZURE_CLIENT_SECRET - A client secret created for your registered AAD aplication
    4) AZURE_TENANT_ID - The tenant in which this application can be found
"""

import os
from azure.communication.phonenumbers import PhoneNumbersClient
from azure.communication.phonenumbers._shared.utils import parse_connection_str
from azure.identity import DefaultAzureCredential

connection_str = os.getenv("COMMUNICATION_SAMPLES_CONNECTION_STRING")
endpoint, _ = parse_connection_str(connection_str)
phone_numbers_client = PhoneNumbersClient(endpoint, DefaultAzureCredential())


def list_purchased_phone_numbers_using_managed_identity():
    purchased_phone_numbers = phone_numbers_client.list_purchased_phone_numbers()
    print("Purchased phone numbers:")
    for acquired_phone_number in purchased_phone_numbers:
        print(acquired_phone_number.phone_number)


if __name__ == "__main__":
    list_purchased_phone_numbers_using_managed_identity()