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"""
This DAG will use Papermill to run the notebook "hello_world", based on the logical date
it will create an output notebook "out-<date>". All fields, including the keys in the parameters, are
templated.
"""

from __future__ import annotations

import os
from datetime import datetime, timedelta

from airflow import DAG
from airflow.providers.papermill.operators.papermill import PapermillOperator

START_DATE = datetime(2021, 1, 1)
SCHEDULE_INTERVAL = "0 0 * * *"
DAGRUN_TIMEOUT = timedelta(minutes=60)
ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
DAG_ID = "example_papermill_operator"

with DAG(
    dag_id=DAG_ID,
    schedule=SCHEDULE_INTERVAL,
    start_date=START_DATE,
    dagrun_timeout=DAGRUN_TIMEOUT,
    tags=["example"],
    catchup=False,
) as dag:
    # [START howto_operator_papermill]
    run_this = PapermillOperator(
        task_id="run_example_notebook",
        input_nb="/tmp/hello_world.ipynb",
        output_nb="/tmp/out-{{ execution_date }}.ipynb",
        parameters={"msgs": "Ran from Airflow at {{ execution_date }}!"},
    )
    # [END howto_operator_papermill]

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)
