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, KeyPair, SortKey, TransactKey

from boto3clients import dynamodb_client
from config import (
    ENROLLMENT_TABLE,
)

logger = Logger(__name__)
enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)


@event_source(data_class=EventBridgeEvent)
@logger.inject_lambda_context
def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
    new_image = event.detail['new_image']
    enrollment = enrollment_layer.collection.get_items(
        TransactKey(pk=new_image['id'])
        + SortKey('METADATA#DEDUPLICATION_WINDOW', rename_key='DEDUPLICATION_WINDOW')
        + SortKey('METADATA#COURSE', rename_key='COURSE'),
    )

    return True