FitSlot MCP Server

/** * Logging utility with different log levels */ export enum LogLevel { DEBUG = 'DEBUG', INFO = 'INFO', WARN = 'WARN', ERROR = 'ERROR' } class Logger { private logLevel: LogLevel; constructor(logLevel: LogLevel = LogLevel.INFO) { this.logLevel = logLevel; } private shouldLog(level: LogLevel): boolean { const levels = [LogLevel.DEBUG, LogLevel.INFO, LogLevel.WARN, LogLevel.ERROR]; return levels.indexOf(level) >= levels.indexOf(this.logLevel); } private formatMessage(level: LogLevel, message: string, data?: any): string { const timestamp = new Date().toISOString(); let logMessage = `[${timestamp}] [${level}] ${message}`; if (data) { logMessage += ` ${JSON.stringify(data)}`; } return logMessage; } debug(message: string, data?: any): void { if (this.shouldLog(LogLevel.DEBUG)) { console.debug(this.formatMessage(LogLevel.DEBUG, message, data)); } } info(message: string, data?: any): void { if (this.shouldLog(LogLevel.INFO)) { console.info(this.formatMessage(LogLevel.INFO, message, data)); } } warn(message: string, data?: any): void { if (this.shouldLog(LogLevel.WARN)) { console.warn(this.formatMessage(LogLevel.WARN, message, data)); } } error(message: string, error?: any): void { if (this.shouldLog(LogLevel.ERROR)) { const errorData = error instanceof Error ? { message: error.message, stack: error.stack } : error; console.error(this.formatMessage(LogLevel.ERROR, message, errorData)); } } } export const logger = new Logger( process.env.LOG_LEVEL as LogLevel || LogLevel.INFO );