const models = require('../models');
import * as api from '../../client/src/api';
import { EndpointError, EndpointHandler } from './types';

export const ListArtistsEndpointHandler:EndpointHandler = async (req: any, res: any) => {
    if (!api.checkListArtistsRequest(req)) {
        const e:EndpointError = {
            internalMessage: 'Invalid ListArtists request: ' + JSON.stringify(req.body),
            httpStatus: 400
        };
        throw e;
    }
    await models.Artist.findAll()
        .then((artists: any[]) => {
            const response: api.ListArtistsResponse = artists.map((artist: any) => {
                return {
                    name: artist.name,
                    id: artist.id,
                };
            });
            res.send(response);
        });
}