import { writeFileSync, appendFileSync, existsSync } from 'fs';
import { join } from 'path';
/**
* Simple File Logger for Baby-SkyNet
* Logs to baby_skynet.log in project root
*/
export class Logger {
private static logFile: string;
private static initialized = false;
static initialize() {
if (this.initialized) return;
// Get project root directory - Node.js compatible way
const __dirname = process.cwd();
this.logFile = join(__dirname, 'baby_skynet.log');
// Initialize log file with session header
const sessionHeader = `\n${'='.repeat(80)}\nš Baby-SkyNet Session Started: ${new Date().toISOString()}\n${'='.repeat(80)}\n`;
if (existsSync(this.logFile)) {
appendFileSync(this.logFile, sessionHeader, 'utf8');
} else {
writeFileSync(this.logFile, sessionHeader, 'utf8');
}
this.initialized = true;
this.info('Logger initialized', { logFile: this.logFile });
}
private static writeLog(level: string, message: string, data?: any) {
if (!this.initialized) this.initialize();
const timestamp = new Date().toISOString();
const levelIcon = {
'INFO': 'ā¹ļø',
'WARN': 'ā ļø',
'ERROR': 'ā',
'DEBUG': 'š',
'SUCCESS': 'ā
'
}[level] || 'š';
let logEntry = `[${timestamp}] ${levelIcon} ${level}: ${message}`;
if (data) {
if (typeof data === 'object') {
logEntry += `\n Data: ${JSON.stringify(data, null, 2)}`;
} else {
logEntry += `\n Data: ${data}`;
}
}
logEntry += '\n';
try {
appendFileSync(this.logFile, logEntry, 'utf8');
} catch (error) {
// Fallback to console if file writing fails
console.error('Logger failed to write to file:', error);
console.error('Original log entry:', logEntry);
}
}
static info(message: string, data?: any) {
this.writeLog('INFO', message, data);
}
static warn(message: string, data?: any) {
this.writeLog('WARN', message, data);
}
static error(message: string, data?: any) {
this.writeLog('ERROR', message, data);
}
static debug(message: string, data?: any) {
this.writeLog('DEBUG', message, data);
}
static success(message: string, data?: any) {
this.writeLog('SUCCESS', message, data);
}
static separator(title: string) {
this.writeLog('INFO', '-'.repeat(50) + ` ${title} ` + '-'.repeat(50));
}
}
