// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT License.

'use strict';

import { noop } from 'lodash';

import { IDataScienceSettings } from '../../client/common/types';

// The default base set of data science settings to use

export function defaultDataScienceSettings(): IDataScienceSettings {

return {

allowImportFromNotebook: true,

jupyterLaunchTimeout: 10,

jupyterLaunchRetries: 3,

enabled: true,

jupyterServerURI: 'local',

// tslint:disable-next-line: no-invalid-template-strings

notebookFileRoot: '${fileDirname}',

changeDirOnImportExport: false,

useDefaultConfigForJupyter: true,

jupyterInterruptTimeout: 10000,

searchForJupyter: true,

showCellInputCode: true,

collapseCellInputCodeByDefault: true,

allowInput: true,

maxOutputSize: 400,

enableScrollingForCellOutputs: true,

errorBackgroundColor: '#FFFFFF',

sendSelectionToInteractiveWindow: false,

variableExplorerExclude: 'module;function;builtin_function_or_method',

codeRegularExpression: '^(#\\s*%%|#\\s*\\<codecell\\>|#\\s*In\\[\\d*?\\]|#\\s*In\\[ \\])',

markdownRegularExpression: '^(#\\s*%%\\s*\\[markdown\\]|#\\s*\\<markdowncell\\>)',

enablePlotViewer: true,

runStartupCommands: '',

debugJustMyCode: true,

variableQueries: [],

jupyterCommandLineArguments: [],

widgetScriptSources: []

};

}

export function takeSnapshot() {

// If you're investigating memory leaks in the tests, using the node-memwatch

// code below can be helpful. It will at least write out what objects are taking up the most

// memory.

// Alternatively, using the test:functional:memleak task and sticking breakpoints here and in

// writeDiffSnapshot can be used as convenient locations to create heap snapshots and diff them.

// tslint:disable-next-line: no-require-imports

//const memwatch = require('@raghb1/node-memwatch');

return {}; //new memwatch.HeapDiff();

}

//let snapshotCounter = 1;

// tslint:disable-next-line: no-any

export function writeDiffSnapshot(_snapshot: any, _prefix: string) {

noop(); // Stick breakpoint here when generating heap snapshots

// const diff = snapshot.end();

// const file = path.join(EXTENSION_ROOT_DIR, 'tmp', `SD-${snapshotCounter}-${prefix}.json`);

// snapshotCounter += 1;

// fs.writeFile(file, JSON.stringify(diff), { encoding: 'utf-8' }).ignoreErrors();

}