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

import { Event } from '../../../../vs/base/common/event';
import { URI } from '../../../../vs/base/common/uri';
import {
  ITextBufferFactory,
  ITextModel,
  ITextModelCreationOptions,
} from '../../../../vs/editor/common/model';
import { ILanguageSelection } from '../../../../vs/editor/common/services/modeService';
import { createDecorator } from '../../../../vs/platform/instantiation/common/instantiation';
import {
  DocumentSemanticTokensProvider,
  DocumentRangeSemanticTokensProvider,
} from '../../../../vs/editor/common/modes';
import { SemanticTokensProviderStyling } from '../../../../vs/editor/common/services/semanticTokensProviderStyling';

export const IModelService = createDecorator<IModelService>('modelService');

export type DocumentTokensProvider =
  | DocumentSemanticTokensProvider
  | DocumentRangeSemanticTokensProvider;

export interface IModelService {
  readonly _serviceBrand: undefined;

  createModel(
    value: string | ITextBufferFactory,
    languageSelection: ILanguageSelection | null,
    resource?: URI,
    isForSimpleWidget?: boolean
  ): ITextModel;

  setMode(model: ITextModel, languageSelection: ILanguageSelection): void;

  getModels(): ITextModel[];

  getCreationOptions(
    language: string,
    resource: URI,
    isForSimpleWidget: boolean
  ): ITextModelCreationOptions;

  getModel(resource: URI): ITextModel | null;

  getSemanticTokensProviderStyling(
    provider: DocumentTokensProvider
  ): SemanticTokensProviderStyling;

  onModelAdded: Event<ITextModel>;

  onModelRemoved: Event<ITextModel>;

  onModelModeChanged: Event<{ model: ITextModel; oldModeId: string }>;
}

export function shouldSynchronizeModel(model: ITextModel): boolean {
  return !model.isTooLargeForSyncing() && !model.isForSimpleWidget;
}