const chai = require('chai');
const chaiHttp = require('chai-http');
const express = require('express');
const models = require('../../../models');
import { SetupApp } from '../../../app';
import { expect } from 'chai';

async function init() {
    chai.use(chaiHttp);
    const app = express();
    SetupApp(app);
    await models.sequelize.sync({ force: true });
    return app;
}

describe('POST /song/query with no songs', () => {
    it('should give empty list', done => {
        init().then((app) => {
            chai
                .request(app)
                .post('/song/query')
                .send({
                    'query': {}
                })
                .end((err, res) => {
                    expect(err).to.be.null;
                    expect(res).to.have.status(200);
                    expect(res.body).to.deep.equal({
                        ids: []
                    });
                    done();
                });
        });
    });
});

describe('POST /song/query with several songs', () => {
    it('should give empty list', done => {
        init().then((app) => {
            async function createSong(req) {
                await req
                    .post('/song')
                    .send({
                        title: "Song"
                    })
                    .then((res) => {
                        expect(res).to.have.status(200);
                    });
            }

            async function checkSongs(req) {
                await req
                    .post('/song/query')
                    .send({ "query": {} })
                    .then((res) => {
                        expect(res).to.have.status(200);
                        expect(res.body).to.deep.equal({
                            ids: [1, 2, 3]
                        });
                    });
            }

            var req = chai.request(app).keepOpen();

            createSong(req)
                .then(() => createSong(req))
                .then(() => createSong(req))
                .then(() => checkSongs(req))
                .then(() => req.close())
                .then(done)
        });
    });
});