/*
 Copyright (C) 2017 3NSoft Inc.
 
 This program is free software: you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
 Foundation, either version 3 of the License, or (at your option) any later
 version.
 
 This program is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 See the GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License along with
 this program. If not, see <http://www.gnu.org/licenses/>. */

export function logError(msg: string, err: any): Promise<void>;
export function logError(err: any): Promise<void>;
export function logError(msg: string): Promise<void>;
export async function logError(msgOrErr: any, err?: any): Promise<void> {
	if (err === undefined) {
		console.error(msgOrErr);
	} else {
		console.error(msgOrErr, err);
	}
	if (typeof msgOrErr === 'string') {
		await w3n.log('error', msgOrErr, jsonifyError(err));
	} else {
		await w3n.log('error', '', jsonifyError(msgOrErr));
	}
}

function jsonifyError(err: any): any {
	if (!err) { return err; }
	if ((err as Error).stack) {
		return {
			message: err.message,
			stack: err.stack,
			cause: jsonifyError(err.cause)
		};
	} else {
		return err;
	}
}

export function logWarning(msg: string, err: any): Promise<void>;
export function logWarning(err: any): Promise<void>;
export function logWarning(msg: string): Promise<void>;
export async function logWarning(msgOrErr: any, err?: any): Promise<void> {
	if (err === undefined) {
		console.warn(msgOrErr);
	} else {
		console.warn(msgOrErr, err);
	}
	if (typeof msgOrErr === 'string') {
		await w3n.log('warning', msgOrErr, jsonifyError(err));
	} else {
		await w3n.log('warning', '', jsonifyError(msgOrErr));
	}
}

export async function logInfo(...info: any[]): Promise<void> {
	console.log(...info);
	let msg = '';
	info.forEach((item, index) => {
		if (index > 0) {
			msg += '\n';
		}
		
		if (typeof item === 'string') {
			msg += item;
			return;
		}

		try {
			msg += JSON.stringify(item)
			.split('\\n').join('\n')
			.split('\\\\').join('\\');
		} catch (err) {
			msg += `<json-error>${err.message}</json-error>`;
		}
	});
	await w3n.log('info', msg);
}