from aws_lambda_powertools import Logger
from aws_lambda_powertools.utilities.data_classes import (
    EventBridgeEvent,
    event_source,
)
from aws_lambda_powertools.utilities.typing import LambdaContext
from layercake.dynamodb import (
    DynamoDBPersistenceLayer,
    PartitionKey,
)

from boto3clients import dynamodb_client
from config import ORDER_TABLE

logger = Logger(__name__)
dyn = DynamoDBPersistenceLayer(ORDER_TABLE, dynamodb_client)


@event_source(data_class=EventBridgeEvent)
@logger.inject_lambda_context
def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
    keys = event.detail['keys']
    order_id = keys['id']

    r = dyn.collection.query(PartitionKey(order_id), limit=150)
    logger.info('Records found', total_items=len(r['items']), records=r['items'])

    with dyn.batch_writer() as batch:
        for pair in r['items']:
            batch.delete_item(
                Key={
                    'id': {'S': pair['id']},
                    'sk': {'S': pair['sk']},
                }
            )

        logger.info('Deleted all records')

    return True