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

// Licensed under the MIT License.

'use strict';

export type Arguments = any[];

function valueToLogString(value: unknown, kind: string): string {

if (value === undefined) {

return 'undefined';

}

if (value === null) {

return 'null';

}

try {

if (value && (value as any).fsPath) {

return `<Uri:${(value as any).fsPath}>`;

}

return JSON.stringify(value);

} catch {

return `<${kind} cannot be serialized for logging>`;

}

}

// Convert the given array of values (func call arguments) into a string

// suitable to be used in a log message.

export function argsToLogString(args: Arguments): string {

if (!args) {

return '';

}

try {

const argStrings = args.map((item, index) => {

const valueString = valueToLogString(item, 'argument');

return `Arg ${index + 1}: ${valueString}`;

});

return argStrings.join(', ');

} catch {

return '';

}

}

// Convert the given return value into a string

// suitable to be used in a log message.

export function returnValueToLogString(returnValue: unknown): string {

const valueString = valueToLogString(returnValue, 'Return value');

return `Return Value: ${valueString}`;

}