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

import { URI } from '../../../../vs/base/common/uri';
import { IRange } from '../../../../vs/editor/common/core/range';
import { ILineChange } from '../../../../vs/editor/common/editorCommon';
import {
  IInplaceReplaceSupportResult,
  TextEdit,
} from '../../../../vs/editor/common/modes';
import { createDecorator } from '../../../../vs/platform/instantiation/common/instantiation';

export const ID_EDITOR_WORKER_SERVICE = 'editorWorkerService';
export const IEditorWorkerService = createDecorator<IEditorWorkerService>(
  ID_EDITOR_WORKER_SERVICE
);

export interface IDiffComputationResult {
  quitEarly: boolean;
  identical: boolean;
  changes: ILineChange[];
}

export interface IEditorWorkerService {
  readonly _serviceBrand: undefined;

  canComputeDiff(original: URI, modified: URI): boolean;
  computeDiff(
    original: URI,
    modified: URI,
    ignoreTrimWhitespace: boolean,
    maxComputationTime: number
  ): Promise<IDiffComputationResult | null>;

  computeMoreMinimalEdits(
    resource: URI,
    edits: TextEdit[] | null | undefined
  ): Promise<TextEdit[] | undefined>;

  canComputeWordRanges(resource: URI): boolean;
  computeWordRanges(
    resource: URI,
    range: IRange
  ): Promise<{ [word: string]: IRange[] } | null>;

  canNavigateValueSet(resource: URI): boolean;
  navigateValueSet(
    resource: URI,
    range: IRange,
    up: boolean
  ): Promise<IInplaceReplaceSupportResult | null>;
}