/*---------------------------------------------------------------------------------------------
 *  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 { Parser } from './parser/cssParser.js';
import { CSSCompletion } from './services/cssCompletion.js';
import { CSSHover } from './services/cssHover.js';
import { CSSNavigation } from './services/cssNavigation.js';
import { CSSCodeActions } from './services/cssCodeActions.js';
import { CSSValidation } from './services/cssValidation.js';

import { SCSSParser } from './parser/scssParser.js';
import { SCSSCompletion } from './services/scssCompletion.js';
import { LESSParser } from './parser/lessParser.js';
import { LESSCompletion } from './services/lessCompletion.js';
import { getFoldingRanges } from './services/cssFolding.js';
import { format } from './services/cssFormatter.js';

import {
	LanguageSettings, ICompletionParticipant, DocumentContext, LanguageServiceOptions,
	Diagnostic, Position, CompletionList, Hover, Location, DocumentHighlight, DocumentLink,
	SymbolInformation, Range, CodeActionContext, Command, CodeAction, ColorInformation,
	Color, ColorPresentation, WorkspaceEdit, FoldingRange, SelectionRange, TextDocument,
	ICSSDataProvider, CSSDataV1, HoverSettings, CompletionSettings, TextEdit, CSSFormatConfiguration, DocumentSymbol
} from './cssLanguageTypes.js';

import { CSSDataManager } from './languageFacts/dataManager.js';
import { CSSDataProvider } from './languageFacts/dataProvider.js';
import { getSelectionRanges } from './services/cssSelectionRange.js';
import { SCSSNavigation } from './services/scssNavigation.js';
import { cssData } from './data/webCustomData.js';

export type Stylesheet = {};
export * from './cssLanguageTypes.js';

export interface LanguageService {
	configure(raw?: LanguageSettings): void;
	setDataProviders(useDefaultDataProvider: boolean, customDataProviders: ICSSDataProvider[]): void;
	doValidation(document: TextDocument, stylesheet: Stylesheet, documentSettings?: LanguageSettings): Diagnostic[];
	parseStylesheet(document: TextDocument): Stylesheet;
	doComplete(document: TextDocument, position: Position, stylesheet: Stylesheet, settings?: CompletionSettings): CompletionList;
	doComplete2(document: TextDocument, position: Position, stylesheet: Stylesheet, documentContext: DocumentContext, settings?: CompletionSettings): Promise<CompletionList>;
	setCompletionParticipants(registeredCompletionParticipants: ICompletionParticipant[]): void;
	doHover(document: TextDocument, position: Position, stylesheet: Stylesheet, settings?: HoverSettings): Hover | null;
	findDefinition(document: TextDocument, position: Position, stylesheet: Stylesheet): Location | null;
	findReferences(document: TextDocument, position: Position, stylesheet: Stylesheet): Location[];
	findDocumentHighlights(document: TextDocument, position: Position, stylesheet: Stylesheet): DocumentHighlight[];
	findDocumentLinks(document: TextDocument, stylesheet: Stylesheet, documentContext: DocumentContext): DocumentLink[];
	/**
	 * Return statically resolved links, and dynamically resolved links if `fsProvider` is proved.
	 */
	findDocumentLinks2(document: TextDocument, stylesheet: Stylesheet, documentContext: DocumentContext): Promise<DocumentLink[]>;
	findDocumentSymbols(document: TextDocument, stylesheet: Stylesheet): SymbolInformation[];
	findDocumentSymbols2(document: TextDocument, stylesheet: Stylesheet): DocumentSymbol[];
	doCodeActions(document: TextDocument, range: Range, context: CodeActionContext, stylesheet: Stylesheet): Command[];
	doCodeActions2(document: TextDocument, range: Range, context: CodeActionContext, stylesheet: Stylesheet): CodeAction[];
	findDocumentColors(document: TextDocument, stylesheet: Stylesheet): ColorInformation[];
	getColorPresentations(document: TextDocument, stylesheet: Stylesheet, color: Color, range: Range): ColorPresentation[];
	prepareRename(document: TextDocument, position: Position, stylesheet: Stylesheet): Range | undefined;
	doRename(document: TextDocument, position: Position, newName: string, stylesheet: Stylesheet): WorkspaceEdit;
	getFoldingRanges(document: TextDocument, context?: { rangeLimit?: number; }): FoldingRange[];
	getSelectionRanges(document: TextDocument, positions: Position[], stylesheet: Stylesheet): SelectionRange[];
	format(document: TextDocument, range: Range | undefined, options: CSSFormatConfiguration): TextEdit[];

}

export function getDefaultCSSDataProvider(): ICSSDataProvider {
	return newCSSDataProvider(cssData);
}

export function newCSSDataProvider(data: CSSDataV1): ICSSDataProvider {
	return new CSSDataProvider(data);
}

function createFacade(parser: Parser, completion: CSSCompletion, hover: CSSHover, navigation: CSSNavigation, codeActions: CSSCodeActions, validation: CSSValidation, cssDataManager: CSSDataManager): LanguageService {
	return {
		configure: (settings) => {
			validation.configure(settings);
			completion.configure(settings?.completion);
			hover.configure(settings?.hover);
			navigation.configure(settings?.importAliases);
		},
		setDataProviders: cssDataManager.setDataProviders.bind(cssDataManager),
		doValidation: validation.doValidation.bind(validation),
		parseStylesheet: parser.parseStylesheet.bind(parser),
		doComplete: completion.doComplete.bind(completion),
		doComplete2: completion.doComplete2.bind(completion),
		setCompletionParticipants: completion.setCompletionParticipants.bind(completion),
		doHover: hover.doHover.bind(hover),
		format,
		findDefinition: navigation.findDefinition.bind(navigation),
		findReferences: navigation.findReferences.bind(navigation),
		findDocumentHighlights: navigation.findDocumentHighlights.bind(navigation),
		findDocumentLinks: navigation.findDocumentLinks.bind(navigation),
		findDocumentLinks2: navigation.findDocumentLinks2.bind(navigation),
		findDocumentSymbols: navigation.findSymbolInformations.bind(navigation),
		findDocumentSymbols2: navigation.findDocumentSymbols.bind(navigation),
		doCodeActions: codeActions.doCodeActions.bind(codeActions),
		doCodeActions2: codeActions.doCodeActions2.bind(codeActions),
		findDocumentColors: navigation.findDocumentColors.bind(navigation),
		getColorPresentations: navigation.getColorPresentations.bind(navigation),
		prepareRename: navigation.prepareRename.bind(navigation),
		doRename: navigation.doRename.bind(navigation),
		getFoldingRanges,
		getSelectionRanges
	};
}

const defaultLanguageServiceOptions = {};

export function getCSSLanguageService(options: LanguageServiceOptions = defaultLanguageServiceOptions): LanguageService {
	const cssDataManager = new CSSDataManager(options);
	return createFacade(
		new Parser(),
		new CSSCompletion(null, options, cssDataManager),
		new CSSHover(options && options.clientCapabilities, cssDataManager),
		new CSSNavigation(options && options.fileSystemProvider, false),
		new CSSCodeActions(cssDataManager),
		new CSSValidation(cssDataManager),
		cssDataManager
	);
}

export function getSCSSLanguageService(options: LanguageServiceOptions = defaultLanguageServiceOptions): LanguageService {
	const cssDataManager = new CSSDataManager(options);
	return createFacade(
		new SCSSParser(),
		new SCSSCompletion(options, cssDataManager),
		new CSSHover(options && options.clientCapabilities, cssDataManager),
		new SCSSNavigation(options && options.fileSystemProvider),
		new CSSCodeActions(cssDataManager),
		new CSSValidation(cssDataManager),
		cssDataManager
	);
}

export function getLESSLanguageService(options: LanguageServiceOptions = defaultLanguageServiceOptions): LanguageService {
	const cssDataManager = new CSSDataManager(options);
	return createFacade(
		new LESSParser(),
		new LESSCompletion(options, cssDataManager),
		new CSSHover(options && options.clientCapabilities, cssDataManager),
		new CSSNavigation(options && options.fileSystemProvider, true),
		new CSSCodeActions(cssDataManager),
		new CSSValidation(cssDataManager),
		cssDataManager
	);
}