/*
This is part of datacrate, a node.js library for working with 
DataCrates.  Copyright (C) 2018  University of Technology Sydney

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

const chai = require('chai');
const chaiFiles = require('chai-files');
chai.use(chaiFiles);
const assert = chai.assert;
const expect = chai.expect;
const file = chaiFiles.file;

const fs = require('fs-extra');


const catalog = require('../lib/catalog.js');


const ORG = { 
	'@id': 'https://www.uts.edu.au',
	'name': 'University of Technology Sydney'
};

const OWNER = 'Michael.Lynch@uts.edu.au';
const APPROVER = 'data.librarian@uts.edu.au';

const DATASET_ID = 'DATASET_ID';

function graph_get(graph, id) {
	const match = graph.filter((item) => item['@id'] === id);
	if( match.length ) {
		return match[0];
	} else {
		return null;
	}
}



describe("ReDBox data publication to DataCrate catalog.json", () => {

	it("returns a catalog with a dataset item", async () => {
		const dp = await fs.readJson('./test_data/datapub.json');
		const cj = await catalog.datapub2catalog({
			'id': DATASET_ID,
			'datapub': dp,
			'organisation': ORG,
			'owner': OWNER,
			'approver': APPROVER
		}); 
		assert(cj, "Got an object");
		assert(cj['@graph'], "Catalog has a @graph");
		const dataset = graph_get(cj['@graph'], DATASET_ID);
		assert(dataset, "Graph has an item with id " + DATASET_ID);
		expect(dataset['name']).to.equal(dp['title']);
		expect(dataset['description']).to.equal(dp['description']);
	});

	it("Can set dateCreated and datePublished", async() => {
		assert(true);
	})

});