/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

import 'mocha';
import * as assert from 'assert';
import { Selection, workspace, ConfigurationTarget } from 'vscode';
import { withRandomFileEditor, closeAllEditors } from './testUtils';
import { wrapWithAbbreviation } from '../abbreviationActions';

const htmlContentsForBlockWrapTests = `
	<ul class="nav main">
		<li class="item1">img</li>
		<li class="item2">$hithere</li>
		<li class="item3">\${hithere}</li>
	</ul>
`;

const htmlContentsForInlineWrapTests = `
	<ul class="nav main">
		<em class="item1">img</em>
		<em class="item2">$hithere</em>
		<em class="item3">\${hithere}</em>
	</ul>
`;

const wrapBlockElementExpected = `
	<ul class="nav main">
		<div>
			<li class="item1">img</li>
		</div>
		<div>
			<li class="item2">$hithere</li>
		</div>
		<div>
			<li class="item3">\${hithere}</li>
		</div>
	</ul>
`;

const wrapInlineElementExpected = `
	<ul class="nav main">
		<span><em class="item1">img</em></span>
		<span><em class="item2">$hithere</em></span>
		<span><em class="item3">\${hithere}</em></span>
	</ul>
`;

const wrapSnippetExpected = `
	<ul class="nav main">
		<a href="">
			<li class="item1">img</li>
		</a>
		<a href="">
			<li class="item2">$hithere</li>
		</a>
		<a href="">
			<li class="item3">\${hithere}</li>
		</a>
	</ul>
`;

const wrapMultiLineAbbrExpected = `
	<ul class="nav main">
		<ul>
			<li>
				<li class="item1">img</li>
			</li>
		</ul>
		<ul>
			<li>
				<li class="item2">$hithere</li>
			</li>
		</ul>
		<ul>
			<li>
				<li class="item3">\${hithere}</li>
			</li>
		</ul>
	</ul>
`;

// technically a bug, but also a feature (requested behaviour)
// https://github.com/microsoft/vscode/issues/78015
const wrapInlineElementExpectedFormatFalse = `
	<ul class="nav main">
		<h1>
			<li class="item1">img</li>
		</h1>
		<h1>
			<li class="item2">$hithere</li>
		</h1>
		<h1>
			<li class="item3">\${hithere}</li>
		</h1>
	</ul>
`;

suite('Tests for Wrap with Abbreviations', () => {
	teardown(closeAllEditors);

	const multiCursors = [new Selection(2, 6, 2, 6), new Selection(3, 6, 3, 6), new Selection(4, 6, 4, 6)];
	const multiCursorsWithSelection = [new Selection(2, 2, 2, 28), new Selection(3, 2, 3, 33), new Selection(4, 6, 4, 36)];
	const multiCursorsWithFullLineSelection = [new Selection(2, 0, 2, 28), new Selection(3, 0, 3, 33), new Selection(4, 0, 4, 36)];

	const oldValueForSyntaxProfiles = workspace.getConfiguration('emmet').inspect('syntaxProfile');

	test('Wrap with block element using multi cursor', () => {
		return testWrapWithAbbreviation(multiCursors, 'div', wrapBlockElementExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with inline element using multi cursor', () => {
		return testWrapWithAbbreviation(multiCursors, 'span', wrapInlineElementExpected, htmlContentsForInlineWrapTests);
	});

	test('Wrap with snippet using multi cursor', () => {
		return testWrapWithAbbreviation(multiCursors, 'a', wrapSnippetExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with multi line abbreviation using multi cursor', () => {
		return testWrapWithAbbreviation(multiCursors, 'ul>li', wrapMultiLineAbbrExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with block element using multi cursor selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithSelection, 'div', wrapBlockElementExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with inline element using multi cursor selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithSelection, 'span', wrapInlineElementExpected, htmlContentsForInlineWrapTests);
	});

	test('Wrap with snippet using multi cursor selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithSelection, 'a', wrapSnippetExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with multi line abbreviation using multi cursor selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithSelection, 'ul>li', wrapMultiLineAbbrExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with block element using multi cursor full line selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithFullLineSelection, 'div', wrapBlockElementExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with inline element using multi cursor full line selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithFullLineSelection, 'span', wrapInlineElementExpected, htmlContentsForInlineWrapTests);
	});

	test('Wrap with snippet using multi cursor full line selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithFullLineSelection, 'a', wrapSnippetExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with multi line abbreviation using multi cursor full line selection', () => {
		return testWrapWithAbbreviation(multiCursorsWithFullLineSelection, 'ul>li', wrapMultiLineAbbrExpected, htmlContentsForBlockWrapTests);
	});

	test('Wrap with abbreviation and comment filter', () => {
		const contents = `
	<ul class="nav main">
		line
	</ul>
	`;
		const expectedContents = `
	<ul class="nav main">
		<li class="hello">line</li>
		<!-- /.hello -->
	</ul>
	`;
		return testWrapWithAbbreviation([new Selection(2, 0, 2, 0)], 'li.hello|c', expectedContents, contents);
	});

	test('Wrap with abbreviation link', () => {
		const contents = `
	<ul class="nav main">
		line
	</ul>
	`;
		const expectedContents = `
	<a href="https://example.com">
		<div>
			<ul class="nav main">
				line
			</ul>
		</div>
	</a>
	`;
		return testWrapWithAbbreviation([new Selection(1, 2, 1, 2)], 'a[href="https://example.com"]>div', expectedContents, contents);
	});

	test('Wrap with abbreviation entire node when cursor is on opening tag', () => {
		const contents = `
	<div class="nav main">
		hello
	</div>
	`;
		const expectedContents = `
	<div>
		<div class="nav main">
			hello
		</div>
	</div>
	`;
		return testWrapWithAbbreviation([new Selection(1, 2, 1, 2)], 'div', expectedContents, contents);
	});

	test('Wrap with abbreviation entire node when cursor is on closing tag', () => {
		const contents = `
	<div class="nav main">
		hello
	</div>
	`;
		const expectedContents = `
	<div>
		<div class="nav main">
			hello
		</div>
	</div>
	`;
		return testWrapWithAbbreviation([new Selection(3, 2, 3, 2)], 'div', expectedContents, contents);
	});

	test('Wrap with abbreviation inner node in cdata', () => {
		const contents = `
	<div class="nav main">
		<![CDATA[
			<div>
				<p>Test 1</p>
			</div>
			<p>Test 2</p>
		]]>
		hello
	</div>
	`;
		const expectedContents = `
	<div class="nav main">
		<![CDATA[
			<div>
				<p>Test 1</p>
			</div>
			<div>
				<p>Test 2</p>
			</div>
		]]>
		hello
	</div>
	`;
		return testWrapWithAbbreviation([new Selection(6, 5, 6, 5)], 'div', expectedContents, contents);
	});

	test('Wrap with abbreviation inner node in script in cdata', () => {
		const contents = `
	<div class="nav main">
		<![CDATA[
			<script type="text/plain">
				<p>Test 1</p>
			</script>
			<p>Test 2</p>
		]]>
		hello
	</div>
	`;
		const expectedContents = `
	<div class="nav main">
		<![CDATA[
			<script type="text/plain">
				<div>
					<p>Test 1</p>
				</div>
			</script>
			<p>Test 2</p>
		]]>
		hello
	</div>
	`;
		return testWrapWithAbbreviation([new Selection(4, 10, 4, 10)], 'div', expectedContents, contents);
	});

	test('Wrap with abbreviation inner node in cdata one-liner', () => {
		const contents = `
	<div class="nav main">
		<![CDATA[<p>Test here</p>]]>
		hello
	</div>
	`;
		// this result occurs because no selection on the open/close p tag was given
		const expectedContents = `
	<div class="nav main">
		<div><![CDATA[<p>Test here</p>]]></div>
		hello
	</div>
	`;
		return testWrapWithAbbreviation([new Selection(2, 15, 2, 15)], 'div', expectedContents, contents);
	});

	test('Wrap with multiline abbreviation doesnt add extra spaces', () => {
		// Issue #29898
		const contents = `
	hello
	`;
		const expectedContents = `
	<ul>
		<li><a href="">hello</a></li>
	</ul>
	`;
		return testWrapWithAbbreviation([new Selection(1, 2, 1, 2)], 'ul>li>a', expectedContents, contents);
	});

	test('Wrap individual lines with abbreviation', () => {
		const contents = `
	<ul class="nav main">
		<li class="item1">This $10 is not a tabstop</li>
		<li class="item2">hi.there</li>
	</ul>
`;
		const wrapIndividualLinesExpected = `
	<ul class="nav main">
		<ul>
			<li class="hello1">
				<li class="item1">This $10 is not a tabstop</li>
			</li>
			<li class="hello2">
				<li class="item2">hi.there</li>
			</li>
		</ul>
	</ul>
`;
		return testWrapIndividualLinesWithAbbreviation([new Selection(2, 2, 3, 33)], 'ul>li.hello$*', wrapIndividualLinesExpected, contents);
	});

	test('Wrap individual lines with abbreviation with extra space selected', () => {
		const contents = `
	<ul class="nav main">
		<li class="item1">img</li>
		<li class="item2">hi.there</li>
	</ul>
`;
		const wrapIndividualLinesExpected = `
	<ul class="nav main">
		<ul>
			<li class="hello1">
				<li class="item1">img</li>
			</li>
			<li class="hello2">
				<li class="item2">hi.there</li>
			</li>
		</ul>
	</ul>
`;
		return testWrapIndividualLinesWithAbbreviation([new Selection(2, 1, 4, 0)], 'ul>li.hello$*', wrapIndividualLinesExpected, contents);
	});

	test('Wrap individual lines with abbreviation with comment filter', () => {
		const contents = `
	<ul class="nav main">
		<li class="item1">img</li>
		<li class="item2">hi.there</li>
	</ul>
`;
		const wrapIndividualLinesExpected = `
	<ul class="nav main">
		<ul>
			<li class="hello">
				<li class="item1">img</li>
			</li>
			<!-- /.hello -->
			<li class="hello">
				<li class="item2">hi.there</li>
			</li>
			<!-- /.hello -->
		</ul>
	</ul>
`;
		return testWrapIndividualLinesWithAbbreviation([new Selection(2, 2, 3, 33)], 'ul>li.hello*|c', wrapIndividualLinesExpected, contents);
	});

	test('Wrap individual lines with abbreviation and trim', () => {
		const contents = `
		<ul class="nav main">
			• lorem ipsum
			• lorem ipsum
		</ul>
	`;
		const wrapIndividualLinesExpected = `
		<ul class="nav main">
			<ul>
				<li class="hello1">lorem ipsum</li>
				<li class="hello2">lorem ipsum</li>
			</ul>
		</ul>
	`;
		return testWrapIndividualLinesWithAbbreviation([new Selection(2, 3, 3, 16)], 'ul>li.hello$*|t', wrapIndividualLinesExpected, contents);
	});

	test('Wrap with abbreviation and format set to false', () => {
		return workspace.getConfiguration('emmet').update('syntaxProfiles', { 'html': { 'format': false } }, ConfigurationTarget.Global).then(() => {
			return testWrapWithAbbreviation(multiCursors, 'h1', wrapInlineElementExpectedFormatFalse, htmlContentsForBlockWrapTests).then(() => {
				return workspace.getConfiguration('emmet').update('syntaxProfiles', oldValueForSyntaxProfiles ? oldValueForSyntaxProfiles.globalValue : undefined, ConfigurationTarget.Global);
			});
		});
	});

	test('Wrap multi line selections with abbreviation', () => {
		const htmlContentsForWrapMultiLineTests = `
			<ul class="nav main">
				line1
				line2

				line3
				line4
			</ul>
		`;

		const wrapMultiLineExpected = `
			<ul class="nav main">
				<div>
					line1
					line2
				</div>

				<div>
					line3
					line4
				</div>
			</ul>
		`;

		return testWrapWithAbbreviation([new Selection(2, 4, 3, 9), new Selection(5, 4, 6, 9)], 'div', wrapMultiLineExpected, htmlContentsForWrapMultiLineTests);
	});

	test('Wrap multiline with abbreviation uses className for jsx files', () => {
		const wrapMultiLineJsxExpected = `
	<ul class="nav main">
		<div className="hello">
			<li class="item1">img</li>
			<li class="item2">$hithere</li>
			<li class="item3">\${hithere}</li>
		</div>
	</ul>
`;

		return testWrapWithAbbreviation([new Selection(2, 2, 4, 36)], '.hello', wrapMultiLineJsxExpected, htmlContentsForBlockWrapTests, 'jsx');
	});

	test('Wrap individual line with abbreviation uses className for jsx files', () => {
		const wrapIndividualLinesJsxExpected = `
	<ul class="nav main">
		<div className="hello1">
			<li class="item1">img</li>
		</div>
		<div className="hello2">
			<li class="item2">$hithere</li>
		</div>
		<div className="hello3">
			<li class="item3">\${hithere}</li>
		</div>
	</ul>
`;

		return testWrapIndividualLinesWithAbbreviation([new Selection(2, 2, 4, 36)], '.hello$*', wrapIndividualLinesJsxExpected, htmlContentsForBlockWrapTests, 'jsx');
	});

	test('Wrap with abbreviation merge overlapping computed ranges', () => {
		const contents = `
	<div class="nav main">
		hello
	</div>
	`;
		const expectedContents = `
	<div>
		<div class="nav main">
			hello
		</div>
	</div>
	`;
		return testWrapWithAbbreviation([new Selection(1, 2, 1, 2), new Selection(1, 10, 1, 10)], 'div', expectedContents, contents);
	});

	test('Wrap with abbreviation ignore invalid abbreviation', () => {
		const contents = `
	<div class="nav main">
		hello
	</div>
	`;
		return testWrapWithAbbreviation([new Selection(1, 2, 1, 2)], 'div]', contents, contents);
	});

});


function testWrapWithAbbreviation(selections: Selection[], abbreviation: string, expectedContents: string, input: string, fileExtension: string = 'html'): Thenable<any> {
	return withRandomFileEditor(input, fileExtension, (editor, _) => {
		editor.selections = selections;
		const promise = wrapWithAbbreviation({ abbreviation });
		if (!promise) {
			assert.strictEqual(1, 2, 'Wrap with Abbreviation returned undefined.');
			return Promise.resolve();
		}

		return promise.then(() => {
			assert.strictEqual(editor.document.getText(), expectedContents);
			return Promise.resolve();
		});
	});
}

function testWrapIndividualLinesWithAbbreviation(selections: Selection[], abbreviation: string, expectedContents: string, input: string, fileExtension: string = 'html'): Thenable<any> {
	return withRandomFileEditor(input, fileExtension, (editor, _) => {
		editor.selections = selections;
		const promise = wrapWithAbbreviation({ abbreviation });
		if (!promise) {
			assert.strictEqual(1, 2, 'Wrap individual lines with Abbreviation returned undefined.');
			return Promise.resolve();
		}

		return promise.then(() => {
			assert.strictEqual(editor.document.getText(), expectedContents);
			return Promise.resolve();
		});
	});
}