# coding=utf-8
# ------------------------------------
# Copyright (c) Microsoft.
# Licensed under the MIT License.
# ------------------------------------

"""
FILE: sample_export_project.py
DESCRIPTION:
    This sample demonstrates how to export a **Text Authoring** project.
USAGE:
    python sample_export_project.py
REQUIRED ENV VARS (for AAD / DefaultAzureCredential):
    AZURE_TEXT_ENDPOINT
    AZURE_CLIENT_ID
    AZURE_TENANT_ID
    AZURE_CLIENT_SECRET
NOTE:
    If you want to use AzureKeyCredential instead, set:
      - AZURE_TEXT_ENDPOINT
      - AZURE_TEXT_KEY
OPTIONAL ENV VARS:
    PROJECT_NAME  # defaults to "<project-name>"
"""

# [START text_authoring_export_project]
import os
from azure.identity import DefaultAzureCredential
from azure.core.exceptions import HttpResponseError
from azure.ai.textanalytics.authoring import TextAuthoringClient
from azure.ai.textanalytics.authoring.models import StringIndexType


def sample_export_project():
    # settings
    endpoint = os.environ["AZURE_TEXT_ENDPOINT"]
    project_name = os.environ.get("PROJECT_NAME", "<project-name>")

    # create a client with AAD
    credential = DefaultAzureCredential()
    client = TextAuthoringClient(endpoint, credential=credential)

    # project-scoped client
    project_client = client.get_project_client(project_name)

    # start export (LRO) and handle success/error
    poller = project_client.project.begin_export(
        string_index_type=StringIndexType.UTF16_CODE_UNIT,
    )
    try:
        poller.result()  # completes with None; raises on failure
        print("Export completed.")
        print(f"done: {poller.done()}")
        print(f"status: {poller.status()}")
    except HttpResponseError as e:
        print(f"Operation failed: {e.message}")
        print(e.error)


# [END text_authoring_export_project]


def main():
    sample_export_project()


if __name__ == "__main__":
    main()