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"""
This is only an example DAG to highlight usage of AzureCosmosDocumentSensor to detect
if a document now exists.

You can trigger this manually with `airflow dags trigger example_cosmosdb_sensor`.

*Note: Make sure that connection `azure_cosmos_default` is properly set before running
this example.*
"""

from airflow import DAG
from airflow.providers.microsoft.azure.operators.azure_cosmos import (
    AzureCosmosInsertDocumentOperator,
)
from airflow.providers.microsoft.azure.sensors.azure_cosmos import (
    AzureCosmosDocumentSensor,
)
from airflow.utils import dates

default_args = {
    "owner": "airflow",
    "depends_on_past": False,
    "email": ["airflow@example.com"],
    "email_on_failure": False,
    "email_on_retry": False,
}

with DAG(
    dag_id="example_azure_cosmosdb_sensor",
    default_args=default_args,
    start_date=dates.days_ago(2),
    doc_md=__doc__,
    tags=["example"],
) as dag:

    t1 = AzureCosmosDocumentSensor(
        task_id="check_cosmos_file",
        database_name="airflow_example_db",
        collection_name="airflow_example_coll",
        document_id="airflow_checkid",
        azure_cosmos_conn_id="azure_cosmos_default",
    )

    t2 = AzureCosmosInsertDocumentOperator(
        task_id="insert_cosmos_file",
        database_name="airflow_example_db",
        collection_name="new-collection",
        document={"id": "someuniqueid", "param1": "value1", "param2": "value2"},
        azure_cosmos_conn_id="azure_cosmos_default",
    )

    t1 >> t2