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

// Licensed under the MIT License.

'use strict';

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

type Arguments = any[];

// 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 {

try {

return (args || [])

.map((item, index) => {

if (item === undefined) {

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

}

if (item === null) {

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

}

try {

if (item && item.fsPath) {

return `Arg ${index + 1}: <Uri:${item.fsPath}>`;

}

return `Arg ${index + 1}: ${JSON.stringify(item)}`;

} catch {

return `Arg ${index + 1}: <argument cannot be serialized for logging>`;

}

})

.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 returnValueMessage = 'Return Value: ';

if (returnValue === undefined) {

return `${returnValueMessage}undefined`;

}

if (returnValue === null) {

return `${returnValueMessage}null`;

}

try {

return `${returnValueMessage}${JSON.stringify(returnValue)}`;

} catch {

return `${returnValueMessage}<Return value cannot be serialized for logging>`;

}

}