Class AiLogger

packages/node-runtime/src/ai/ai-logger.ts:12–126

type LogLevel = 'DEBUG' | 'INFO' | 'WARN' | 'ERROR'

export class AiLogger {
  private debugMode = false
  private logDir: string
  private logFile: string | null = null
  private logStream: fs.WriteStream | null = null

  constructor(logsDir: string) {
    this.logDir = path.join(logsDir, 'ai')
  }

  setDebugMode(enabled: boolean): void {
    this.debugMode = enabled
  }

  isDebugMode(): boolean {
    return this.debugMode
  }

  debug(category: string, message: string, data?: unknown): void {
    this.writeLog('DEBUG', category, message, data)
  }

  info(category: string, message: string, data?: unknown): void {
    this.writeLog('INFO', category, message, data)
  }

  warn(category: string, message: string, data?: unknown): void {
    this.writeLog('WARN', category, message, data)
  }

  error(category: string, message: string, data?: unknown): void {
    this.writeLog('ERROR', category, message, data)
  }

  close(): void {
    if (this.logStream) {
      this.logStream.end()
      this.logStream = null
    }
  }

  getLogPath(): string {
    return this.getLogFilePath()
  }

  getExistingLogPath(): string | null {
    if (this.logFile && fs.existsSync(this.logFile)) {
      return this.logFile
    }
    return null
  }

  private ensureLogDir(): void {
    if (!fs.existsSync(this.logDir)) {
      fs.mkdirSync(this.logDir, { recursive: true })
    }
  }