# coding=utf-8
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import logging
import os

from azure.developer.devcenter import DevCenterClient
from azure.identity import DefaultAzureCredential
from azure.core.exceptions import HttpResponseError

def main():
    logging.basicConfig(level=logging.DEBUG)
    LOG = logging.getLogger()

    # Set the values of the client ID, tenant ID, and client secret of the AAD application as environment variables:
    # AZURE_CLIENT_ID, AZURE_TENANT_ID, AZURE_CLIENT_SECRET, DEVCENTER_NAME
    try:
        tenant_id = os.environ["AZURE_TENANT_ID"]
    except KeyError:
        LOG.error("Missing environment variable 'AZURE_TENANT_ID' - please set if before running the example")
        exit()

    try:
        dev_center_name = os.environ["DEVCENTER_NAME"]
    except KeyError:
        LOG.error("Missing environment variable 'DEVCENTER_NAME' - please set if before running the example")
        exit()

    # Build a client through AAD
    client = DevCenterClient(tenant_id, dev_center_name, credential=DefaultAzureCredential())

    # Fetch control plane resource dependencies
    target_project_name = list(client.dev_center.list_projects(top=1))[0]['name']
    target_catalog_item_name = list(client.environments.list_catalog_items(target_project_name, top=1))[0]['name']
    target_environment_type_name = list(client.environments.list_environment_types(target_project_name, top=1))[0]['name']

    # Stand up a new environment
    create_response = client.environments.begin_create_environment(target_project_name,
                                                       "Dev_Environment",
                                                       {"catalogItemName": target_catalog_item_name, "environmentType": target_environment_type_name})
    environment_result = create_response.result()

    LOG.info(f"Provisioned environment with status {environment_result['provisioningState']}.")

    # Fetch deployment artifacts
    artifact_response = client.environments.list_artifacts_by_environment(target_project_name, "Dev_Environment")

    for artifact in artifact_response:
        LOG.info(artifact)

    # Tear down the environment when finished
    delete_response = client.environments.begin_delete_environment(target_project_name, "Dev_Environment")
    delete_response.wait()
    LOG.info("Completed deletion for the environment.")


if __name__ == "__main__":
    main()