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

// Licensed under the MIT License.

'use strict';

import { JSONObject } from '@phosphor/coreutils';

import { SharedMessages } from '../messages';

import { IJupyterVariable } from '../types';

export const CellFetchAllLimit = 100000;

export const CellFetchSizeFirst = 100000;

export const CellFetchSizeSubsequent = 1000000;

export const MaxStringCompare = 200;

export const ColumnWarningSize = 1000; // Anything over this takes too long to load

export namespace DataViewerRowStates {

export const Fetching = 'fetching';

export const Skipped = 'skipped';

}

export namespace DataViewerMessages {

export const Started = SharedMessages.Started;

export const UpdateSettings = SharedMessages.UpdateSettings;

export const InitializeData = 'init';

export const GetAllRowsRequest = 'get_all_rows_request';

export const GetAllRowsResponse = 'get_all_rows_response';

export const GetRowsRequest = 'get_rows_request';

export const GetRowsResponse = 'get_rows_response';

export const CompletedData = 'complete';

}

export interface IGetRowsRequest {

start: number;

end: number;

}

export interface IGetRowsResponse {

rows: JSONObject;

start: number;

end: number;

}

// Map all messages to specific payloads

export type IDataViewerMapping = {

[DataViewerMessages.Started]: never | undefined;

[DataViewerMessages.UpdateSettings]: string;

[DataViewerMessages.InitializeData]: IJupyterVariable;

[DataViewerMessages.GetAllRowsRequest]: never | undefined;

[DataViewerMessages.GetAllRowsResponse]: JSONObject;

[DataViewerMessages.GetRowsRequest]: IGetRowsRequest;

[DataViewerMessages.GetRowsResponse]: IGetRowsResponse;

[DataViewerMessages.CompletedData]: never | undefined;

};