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

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

    try {
        const albums = await models.Album.findAll({
            include: [models.Artist, models.Tag, models.Song],
            where: {
                id: req.params.id
            }
        });
        if (albums.length != 1) {
            const e: EndpointError = {
                internalMessage: 'There is no album with id ' + req.params.id + '.',
                httpStatus: 400
            };
            throw e;
        }
        let album = albums[0];
        const response: api.AlbumDetailsResponse = {
            name: album.name,
            artistIds: album.Artists.map((artist: any) => artist.id),
            tagIds: album.Tags.map((tag: any) => tag.id),
            songIds: album.Songs.map((song: any) => song.id),
            storeLinks: album.storeLinks,
        }
        await res.send(response);
    } catch (e) {
        catchUnhandledErrors(e);
    }
}