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

export const ArtistDetailsEndpointHandler: EndpointHandler = async (req: any, res: any) => {
    if (!api.checkArtistDetailsRequest(req)) {
        const e: EndpointError = {
            internalMessage: 'Invalid ArtistDetails request: ' + JSON.stringify(req.body),
            httpStatus: 400
        };
        throw e;
    }

    try {
        const artists: any[] = await models.Artist.findAll({
            where: {
                id: req.params.id
            },
            include: [models.Tag]
        });
        if (artists.length != 1) {
            const e: EndpointError = {
                internalMessage: 'There is no artist with id ' + req.params.id + '.',
                httpStatus: 400
            };
            throw e;
        }
        let artist = artists[0];
        const storeLinks = Array.isArray(artist.storeLinks) ? artist.storeLinks :
            (artist.storeLinks ? [artist.storeLinks] : []);
        const response: api.ArtistDetailsResponse = {
            name: artist.name,
            tagIds: artist.Tags.map((tag: any) => tag.id),
            storeLinks: storeLinks,
        };
        await res.send(response);
    } catch (e) {
        catchUnhandledErrors(e)
    }
}