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from __future__ import annotations

import os
from datetime import datetime

from airflow import models
from airflow.providers.microsoft.azure.operators.adls import ADLSDeleteOperator
from airflow.providers.microsoft.azure.transfers.local_to_adls import LocalFilesystemToADLSOperator

LOCAL_FILE_PATH = os.environ.get("LOCAL_FILE_PATH", "localfile.txt")
REMOTE_FILE_PATH = os.environ.get("REMOTE_LOCAL_PATH", "remote.txt")
ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
DAG_ID = "example_local_to_adls"

with models.DAG(
    DAG_ID,
    start_date=datetime(2021, 1, 1),
    catchup=False,
    schedule=None,
    tags=["example"],
) as dag:
    # [START howto_operator_local_to_adls]
    upload_file = LocalFilesystemToADLSOperator(
        task_id="upload_task",
        local_path=LOCAL_FILE_PATH,
        remote_path=REMOTE_FILE_PATH,
    )
    # [END howto_operator_local_to_adls]

    delete_file = ADLSDeleteOperator(task_id="remove_task", path=REMOTE_FILE_PATH, recursive=True)

    upload_file >> delete_file

    from tests_common.test_utils.watcher import watcher

    # This test needs watcher in order to properly mark success/failure
    # when "tearDown" task with trigger rule is part of the DAG
    list(dag.tasks) >> watcher()

from tests_common.test_utils.system_tests import get_test_run  # noqa: E402

# Needed to run the example DAG with pytest (see: contributing-docs/testing/system_tests.rst)
test_run = get_test_run(dag)
