"""Lambda create_artist function module."""

from config import graphql_gateway
from config import GRAPHQL_HEADERS
from config import app_logger as logger
from constants import queries
from src import spotify_parser


def handler(event, context):
    """Lambda entry point."""
    try:
        input_data = event or {}
        vendor_id = input_data.get('vendor_id')
        spotify_url = input_data.get('spotify_url', None)
        if spotify_url:
            artist_name = spotify_parser.get_artist_name(spotify_url)
            payload = {
                'name': artist_name,
            }
            graphql_gateway.set_headers(GRAPHQL_HEADERS)
            logger.info(f'Creating artist for {artist_name}')
            return graphql_gateway.execute(
                queries.create_label_participant,
                {'labelParticipant': payload, 'vendorId': vendor_id}
            )['data']['createLabelParticipant']
        else:
            # If a Spotify URL is not supplied
            # we should skip the artist creation functionality
            # other parts of the step function can proceed.
            logger.info(
                f'Creating artist for vendor_id {vendor_id}:'
                f' spotify_url not found'
            )
            return {}
    except Exception as e:
        logger.exception(str(e))
        raise e