#  Copyright 2021 Collate
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#  http://www.apache.org/licenses/LICENSE-2.0
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

import json
from datetime import timedelta

from airflow import DAG

try:
    from airflow.operators.python import PythonOperator
except ModuleNotFoundError:
    from airflow.operators.python_operator import PythonOperator

from airflow.utils.dates import days_ago

from metadata.ingestion.api.workflow import Workflow

default_args = {
    "owner": "user_name",
    "retries": 3,
    "retry_delay": timedelta(minutes=2),
    "execution_timeout": timedelta(minutes=60),
    "schedule_interval": "0 */1 * * *",
}

config = """
{
  "source": {
    "type": "metadata_elasticsearch",
    "serviceName": "openMetadata",
    "serviceConnection": {
      "config":{
        "type":"MetadataES",
        "includeTables": "true",
        "includeUsers": "true",
        "includeTopics": "true",
        "includeDashboards": "true",
        "limitRecords": 10
      } 
    },
    "sourceConfig":{"config":{}}
  },
  "sink": {
    "type": "elasticsearch",
    "config": {
      "index_tables": "true",
      "index_topics": "true",
      "index_dashboards": "true",
      "es_host": "localhost",
      "es_port": 9200
    }
  },
  "workflowConfig": {
    "openMetadataServerConfig": {
      "hostPort": "http://localhost:8585/api",
      "authProvider": "no-auth"
    }
  }
}
"""


def metadata_ingestion_workflow():
    workflow_config = json.loads(config)
    workflow = Workflow.create(workflow_config)
    workflow.execute()
    workflow.raise_from_status()
    workflow.print_status()
    workflow.stop()


with DAG(
    "index_metadata",
    default_args=default_args,
    description="An example DAG which runs a OpenMetadata ingestion workflow",
    start_date=days_ago(1),
    is_paused_upon_creation=True,
    catchup=False,
) as dag:
    ingest_task = PythonOperator(
        task_id="ingest_using_recipe",
        python_callable=metadata_ingestion_workflow,
    )