# Permission is hereby granted, free of charge, to any person obtaining a copy of this
# software and associated documentation files (the "Software"), to deal in the Software
# without restriction, including without limitation the rights to use, copy, modify,
# merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to the following
# conditions:

# The above copyright notice and this permission notice shall be included in all copies
# or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
# CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
# OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import msal
import sys
import json
import logging
import requests
import time

if __name__ == '__main__':
    print("Starting Client application")
    config = json.load(open(sys.argv[1]))
    app = msal.ConfidentialClientApplication(
        client_id=config["client_id"],
        authority="https://login.microsoftonline.com/api.morganstanley.com",
        client_credential={
            "thumbprint": config["thumbprint"],
            "private_key": open(config['private_key_file']).read()
        }
    )
    result = app.acquire_token_silent(config["scope"], account=None)

    if not result:
        print("No suitable token exists in cache. Let's get a new one from AAD.")
        result = app.acquire_token_for_client(scopes=config["scope"])

    if "access_token" in result:
        print("Calling API.")
        # Calling graph using the access token
        graph_data = requests.get(  # Use token to call downstream service
            "https://api.morganstanley.com/hello/v1/services",
            headers={'Authorization': 'Bearer ' + result['access_token']}, ).json()
        print("Graph API call result: %s" % json.dumps(graph_data, indent=2))
    else:
        print(result.get("error"))
        print(result.get("error_description"))
        print(result.get("correlation_id"))  # You may need this when reporting a bug