/*!
 * VisualEditor MediaWiki-specific ContentEditable Surface tests.
 *
 * @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
 * @license The MIT License (MIT); see LICENSE.txt
 */

QUnit.module( 've.ce.Surface (MW)', ve.test.utils.mwEnvironment );

/* Tests */

QUnit.test( 'handleLinearDelete', ( assert ) => {
	const done = assert.async(),
		blocklength = ve.dm.mwExample.MWBlockImage.data.length,
		cases = [
			// This asserts that getRelativeRange (via getRelativeOffset) doesn't try to
			// enter a handleOwnChildren node
			{
				htmlOrDoc:
					ve.dm.mwExample.MWBlockImage.html +
					'<ul><li><p>Foo</p></li><li><p>Bar</p></li></ul>',
				rangeOrSelection: new ve.Range( blocklength + 3 ),
				keys: [ 'BACKSPACE' ],
				expectedData: ( data ) => {
					// remove the first list item, and replace its wrapped paragraph outside
					// the start of the list
					data.splice(
						blocklength, 8,
						{ type: 'paragraph' },
						'F', 'o', 'o',
						{ type: '/paragraph' },
						{ type: 'list', attributes: { style: 'bullet' } }
					);
				},
				expectedRangeOrSelection: new ve.Range( blocklength + 1 ),
				msg: 'Backspace in a list next to a block image doesn\'t merge into the caption'
			},
			{
				htmlOrDoc:
					ve.dm.mwExample.MWBlockImage.html +
					'<ul><li><p></p></li></ul>',
				rangeOrSelection: new ve.Range( blocklength + 3 ),
				keys: [ 'BACKSPACE' ],
				expectedData: ( data ) => {
					data.splice(
						blocklength, 6,
						{ type: 'paragraph' },
						{ type: '/paragraph' }
					);
				},
				expectedRangeOrSelection: new ve.Range( blocklength + 1 ),
				msg: 'Backspace in an empty list next to a block image removes the list'
			}
		];

	let promise = Promise.resolve();
	cases.forEach( ( caseItem ) => {
		promise = promise.then( () =>
			ve.test.utils.runSurfaceHandleSpecialKeyTest( assert, caseItem )
		);
	} );

	promise.finally( () => {
		done();
	} );
} );

QUnit.test( 'beforePaste/afterPaste', ( assert ) => {
	const cases = [
		{
			documentHtml: '<p></p>',
			rangeOrSelection: new ve.Range( 1 ),
			pasteHtml: '<span typeof="mw:Entity" id="mwAB">-</span><span typeof="mw:Entity" id="mw-reference-cite">-</span>',
			fromVe: true,
			expectedRangeOrSelection: new ve.Range( 5 ),
			expectedHtml: '<p><span typeof="mw:Entity">-</span><span typeof="mw:Entity" id="mw-reference-cite">-</span></p>',
			msg: 'RESTBase IDs stripped'
		},
		{
			documentHtml: '<p></p>',
			rangeOrSelection: new ve.Range( 1 ),
			pasteHtml: '<span typeof="mw:Entity" id="mwAB">-</span><span typeof="mw:Entity" id="mw-reference-cite">-</span>',
			pasteTargetHtml: '<span>-</span><span>-</span>',
			fromVe: true,
			expectedRangeOrSelection: new ve.Range( 5 ),
			expectedHtml: '<p><span typeof="mw:Entity">-</span><span typeof="mw:Entity" id="mw-reference-cite">-</span></p>',
			msg: 'RESTBase IDs still stripped if used when important attributes dropped'
		},
		{
			documentHtml: '<p></p>',
			rangeOrSelection: new ve.Range( 1 ),
			pasteHtml: 'a<sup id="cite_ref-1" class="reference"><a href="./Article#cite_note-1">[1]</a></sup>b',
			expectedRangeOrSelection: new ve.Range( 3 ),
			expectedHtml: '<p>ab</p>',
			msg: 'Read mode references stripped'
		},
		{
			documentHtml: '<p></p>',
			rangeOrSelection: new ve.Range( 1 ),
			pasteHtml: 'a<sup typeof="mw:Extension/ref" data-mw="{}" class="mw-ref reference" about="#mwt1" id="cite_ref-foo-0" rel="dc:references"><a href="./Article#cite_note-foo-0"><span class="mw-reflink-text ve-pasteProtect">[1]</span></a></sup>b',
			expectedRangeOrSelection: new ve.Range( 5 ),
			expectedHtml: '<p>a<sup typeof="mw:Extension/ref" data-mw="{&quot;name&quot;:&quot;ref&quot;}" class="mw-ref reference"><a style="counter-reset: mw-Ref 1;"><span class="mw-reflink-text">[1]</span></a></sup>b</p>',
			msg: 'VE references not stripped'
		}
	];

	cases.forEach( ve.test.utils.runSurfacePasteTest.bind( this, assert ) );
} );