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

import {WorkerManager} from './workerManager';
import {HTMLWorker} from './htmlWorker';
import {LanguageServiceDefaultsImpl} from './monaco.contribution';
import * as languageFeatures from './languageFeatures';
import {createTokenizationSupport} from './tokenization';

import Promise = monaco.Promise;
import Uri = monaco.Uri;
import IDisposable = monaco.IDisposable;

export function setupMode(defaults: LanguageServiceDefaultsImpl): void {

	let disposables: IDisposable[] = [];

	const client = new WorkerManager(defaults);
	disposables.push(client);

	const worker: languageFeatures.WorkerAccessor = (...uris: Uri[]): Promise<HTMLWorker> => {
		return client.getLanguageServiceWorker(...uris);
	};

	let languageId = defaults.languageId;

	disposables.push(monaco.languages.registerCompletionItemProvider(languageId, new languageFeatures.CompletionAdapter(worker)));
	disposables.push(monaco.languages.registerDocumentHighlightProvider(languageId, new languageFeatures.DocumentHighlightAdapter(worker)));
	disposables.push(monaco.languages.registerDocumentFormattingEditProvider(languageId, new languageFeatures.DocumentFormattingEditProvider(worker)));
	disposables.push(monaco.languages.registerDocumentRangeFormattingEditProvider(languageId, new languageFeatures.DocumentRangeFormattingEditProvider(worker)));
	disposables.push(new languageFeatures.DiagnostcsAdapter(languageId, worker));
	disposables.push(monaco.languages.registerLinkProvider(languageId, new languageFeatures.DocumentLinkAdapter(worker)));
	disposables.push(monaco.languages.setTokensProvider(languageId, createTokenizationSupport(true)));
	disposables.push(monaco.languages.setLanguageConfiguration(languageId, richEditConfiguration));
}

const EMPTY_ELEMENTS:string[] = ['area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr'];

const richEditConfiguration: monaco.languages.LanguageConfiguration = {
	wordPattern: /(-?\d*\.\d\w*)|([^\[\{\]\}\:\"\,\s]+)/g,

		comments: {
			blockComment: ['<!--', '-->']
		},

		brackets: [
			['<!--', '-->'],
			['<', '>'],
		],

		autoClosingPairs: [
			{ open: '{', close: '}' },
			{ open: '[', close: ']' },
			{ open: '(', close: ')' },
			{ open: '"', close: '"' },
			{ open: '\'', close: '\'' }
		],

		surroundingPairs: [
			{ open: '"', close: '"' },
			{ open: '\'', close: '\'' }
		],

		onEnterRules: [
			{
				beforeText: new RegExp(`<(?!(?:${EMPTY_ELEMENTS.join('|')}))([_:\\w][_:\\w-.\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
				afterText: /^<\/([_:\w][_:\w-.\d]*)\s*>$/i,
				action: { indentAction: monaco.languages.IndentAction.IndentOutdent }
			},
			{
				beforeText: new RegExp(`<(?!(?:${EMPTY_ELEMENTS.join('|')}))(\\w[\\w\\d]*)([^/>]*(?!/)>)[^<]*$`, 'i'),
				action: { indentAction: monaco.languages.IndentAction.Indent }
			}
		],
};