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

import { WorkerManager } from './workerManager';
import type { CSSWorker } from './cssWorker';
import { LanguageServiceDefaults } from './monaco.contribution';
import * as languageFeatures from './languageFeatures';
import { Uri, IDisposable, languages } from '../fillers/monaco-editor-core';

export function setupMode(defaults: LanguageServiceDefaults): IDisposable {
	const disposables: IDisposable[] = [];
	const providers: IDisposable[] = [];

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

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

	function registerProviders(): void {
		const { languageId, modeConfiguration } = defaults;

		disposeAll(providers);

		if (modeConfiguration.completionItems) {
			providers.push(
				languages.registerCompletionItemProvider(
					languageId,
					new languageFeatures.CSSCompletionAdapter(worker)
				)
			);
		}
		if (modeConfiguration.hovers) {
			providers.push(
				languages.registerHoverProvider(languageId, new languageFeatures.CSSHoverAdapter(worker))
			);
		}
		if (modeConfiguration.documentHighlights) {
			providers.push(
				languages.registerDocumentHighlightProvider(
					languageId,
					new languageFeatures.CSSDocumentHighlightAdapter(worker)
				)
			);
		}
		if (modeConfiguration.definitions) {
			providers.push(
				languages.registerDefinitionProvider(
					languageId,
					new languageFeatures.CSSDefinitionAdapter(worker)
				)
			);
		}
		if (modeConfiguration.references) {
			providers.push(
				languages.registerReferenceProvider(
					languageId,
					new languageFeatures.CSSReferenceAdapter(worker)
				)
			);
		}
		if (modeConfiguration.documentSymbols) {
			providers.push(
				languages.registerDocumentSymbolProvider(
					languageId,
					new languageFeatures.DocumentSymbolAdapter(worker)
				)
			);
		}
		if (modeConfiguration.rename) {
			providers.push(
				languages.registerRenameProvider(languageId, new languageFeatures.CSSRenameAdapter(worker))
			);
		}
		if (modeConfiguration.colors) {
			providers.push(
				languages.registerColorProvider(
					languageId,
					new languageFeatures.DocumentColorAdapter(worker)
				)
			);
		}
		if (modeConfiguration.foldingRanges) {
			providers.push(
				languages.registerFoldingRangeProvider(
					languageId,
					new languageFeatures.FoldingRangeAdapter(worker)
				)
			);
		}
		if (modeConfiguration.diagnostics) {
			providers.push(new languageFeatures.CSSDiagnosticsAdapter(languageId, worker, defaults));
		}
		if (modeConfiguration.selectionRanges) {
			providers.push(
				languages.registerSelectionRangeProvider(
					languageId,
					new languageFeatures.SelectionRangeAdapter(worker)
				)
			);
		}
	}

	registerProviders();

	disposables.push(asDisposable(providers));

	return asDisposable(disposables);
}

function asDisposable(disposables: IDisposable[]): IDisposable {
	return { dispose: () => disposeAll(disposables) };
}

function disposeAll(disposables: IDisposable[]) {
	while (disposables.length) {
		disposables.pop().dispose();
	}
}