/*
 * This file is part of the MediaWiki extension MediaViewer.
 *
 * MediaViewer 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 2 of the License, or
 * (at your option) any later version.
 *
 * MediaViewer 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 MediaViewer.  If not, see <http://www.gnu.org/licenses/>.
 */

const { License } = require( 'mmv' );

QUnit.module( 'mmv.model.License', QUnit.newMwEnvironment() );

QUnit.test( 'License constructor sense check', ( assert ) => {
	const shortName = 'CC-BY-SA-3.0';
	const internalName = 'cc-by-sa-3.0';
	const longName = 'Creative Commons Attribution--Share-Alike 3.0';
	const url = 'http://creativecommons.org/licenses/by-sa/3.0/';

	let license = new License( shortName );
	assert.true( license instanceof License, 'License created successfully' );
	assert.strictEqual( license.shortName, shortName, 'License has correct short name' );
	assert.strictEqual( license.internalName, undefined, 'License has no internal name' );
	assert.strictEqual( license.longName, undefined, 'License has no long name' );
	assert.strictEqual( license.deedUrl, undefined, 'License has no deed URL' );

	license = new License( shortName, internalName, longName, url );
	assert.true( license instanceof License, 'License created successfully' );
	assert.strictEqual( license.shortName, shortName, 'License has correct short name' );
	assert.strictEqual( license.internalName, internalName, 'License has correct internal name' );
	assert.strictEqual( license.longName, longName, 'License has correct long name' );
	assert.strictEqual( license.deedUrl, url, 'License has correct deed URL' );

	assert.throws( () => {
		license = new License();
	}, 'License cannot be created without a short name' );
} );

QUnit.test( 'getShortName()', ( assert ) => {
	const existingMessageKey = 'Internal name that does exist';
	const nonExistingMessageKey = 'Internal name that does not exist';
	const license1 = new License( 'Shortname' );
	const license2 = new License( 'Shortname', nonExistingMessageKey );
	const license3 = new License( 'Shortname', existingMessageKey );
	const oldMwMessage = mw.message;
	const oldMwMessagesExists = mw.messages.exists;

	mw.message = function ( name ) {
		return name === 'multimediaviewer-license-' + existingMessageKey ?
			{ text: function () {
				return 'Translated name';
			} } :
			oldMwMessage.apply( mw, arguments );
	};
	mw.messages.exists = function ( name ) {
		return name === 'multimediaviewer-license-' + existingMessageKey ?
			true : oldMwMessagesExists.apply( mw.messages, arguments );
	};

	assert.strictEqual( license1.getShortName(), 'Shortname',
		'Short name is returned when there is no translated name' );
	assert.strictEqual( license2.getShortName(), 'Shortname',
		'Short name is returned when translated name is missing' );
	assert.strictEqual( license3.getShortName(), 'Translated name',
		'Translated name is returned when it exists' );

	mw.message = oldMwMessage;
	mw.messages.exists = oldMwMessagesExists;
} );

QUnit.test( 'getShortLink()', ( assert ) => {
	const license1 = new License( 'lorem ipsum' );
	const license2 = new License( 'lorem ipsum', 'lipsum' );
	const license3 = new License( 'lorem ipsum', 'lipsum', 'Lorem ipsum dolor sit amet' );
	const license4 = new License( 'lorem ipsum', 'lipsum', 'Lorem ipsum dolor sit amet',
		'http://www.lipsum.com/' );

	assert.strictEqual( license1.getShortLink(), 'lorem ipsum',
		'Code for license without link is formatted correctly' );
	assert.strictEqual( license2.getShortLink(), 'lorem ipsum',
		'Code for license without link is formatted correctly' );
	assert.strictEqual( license3.getShortLink(), 'lorem ipsum',
		'Code for license without link is formatted correctly' );

	const $html = $( license4.getShortLink() );
	assert.strictEqual( $html.text(), 'lorem ipsum',
		'Text for license with link is formatted correctly' );
	assert.strictEqual( $html.prop( 'href' ), 'http://www.lipsum.com/',
		'URL for license with link is formatted correctly' );
	assert.strictEqual( $html.prop( 'title' ), 'Lorem ipsum dolor sit amet',
		'Title for license with link is formatted correctly' );
} );

QUnit.test( 'isCc()', ( assert ) => {
	let license = new License( 'CC-BY-SA-2.0', 'cc-by-sa-2.0',
		'Creative Commons Attribution - ShareAlike 2.0',
		'http://creativecommons.org/licenses/by-sa/2.0/' );
	assert.strictEqual( license.isCc(), true, 'CC license recognized' );

	license = new License( 'Public Domain', 'pd',
		'Public Domain for lack of originality' );
	assert.strictEqual( license.isCc(), false, 'Non-CC license not recognized' );

	license = new License( 'MIT' );
	assert.strictEqual( license.isCc(), false, 'Non-CC license with no internal name not recognized' );
} );

QUnit.test( 'isPd()', ( assert ) => {
	let license = new License( 'Public Domain', 'pd',
		'Public Domain for lack of originality' );
	assert.strictEqual( license.isPd(), true, 'PD license recognized' );

	license = new License( 'CC-BY-SA-2.0', 'cc-by-sa-2.0',
		'Creative Commons Attribution - ShareAlike 2.0',
		'http://creativecommons.org/licenses/by-sa/2.0/' );
	assert.strictEqual( license.isPd(), false, 'Non-PD license not recognized' );

	license = new License( 'MIT' );
	assert.strictEqual( license.isPd(), false, 'Non-PD license with no internal name not recognized' );
} );

QUnit.test( 'isFree()', ( assert ) => {
	let license = new License( 'CC-BY-SA-2.0', 'cc-by-sa-2.0',
		'Creative Commons Attribution - ShareAlike 2.0',
		'http://creativecommons.org/licenses/by-sa/2.0/' );
	assert.strictEqual( license.isFree(), true, 'Licenses default to free' );

	license = new License( 'Fair use', 'fairuse',
		'Fair use', undefined, undefined, true );
	assert.strictEqual( license.isFree(), false, 'Non-free flag handled correctly' );
} );

QUnit.test( 'needsAttribution()', ( assert ) => {
	let license = new License( 'CC-BY-SA-2.0', 'cc-by-sa-2.0',
		'Creative Commons Attribution - ShareAlike 2.0',
		'http://creativecommons.org/licenses/by-sa/2.0/' );
	assert.strictEqual( license.needsAttribution(), true, 'Licenses assumed to need attribution by default' );

	license = new License( 'Public Domain', 'pd',
		'Public Domain for lack of originality', false );
	assert.strictEqual( license.needsAttribution(), false, 'Attribution required flag handled correctly' );
} );
