import { EJSON } from 'meteor/ejson';
import { Log } from 'meteor/logging';

import notifications from '../../app/notifications/server/lib/Notifications';
import { getQueuedLogs, logEntries } from '../lib/logger/logQueue';

const processString = function (string: string, date: Date): string {
	let obj;
	try {
		if (string[0] === '{') {
			obj = EJSON.parse(string);
		} else {
			obj = {
				message: string,
				time: date,
				level: 'info',
			};
		}
		return Log.format(obj, { color: true });
	} catch (error) {
		return string;
	}
};

const transformLog = function (item: any): { id: string; string: string; ts: Date } {
	return {
		id: item.id,
		string: processString(item.data, item.ts),
		ts: item.ts,
	};
};

logEntries.on('log', (item) => {
	// TODO having this as 'emitWithoutBroadcast' will not sent this data to ddp-streamer, so this data
	// won't be available when using micro services.
	notifications.streamStdout.emitWithoutBroadcast('stdout', transformLog(item));
});

export function getLogs(): { id: string; string: string; ts: Date }[] {
	return getQueuedLogs().map(transformLog);
}