terminal

import * as fs from "fs";
import * as path from "path";

const LOGS_DIR = path.join(__dirname, "..", "..", ".logs");
const MAX_LOG_SIZE_BYTES = 1024 * 1024; // 1MB

// Ensure logs directory exists
if (!fs.existsSync(LOGS_DIR)) {
  fs.mkdirSync(LOGS_DIR, { recursive: true });
}

export function logDebug(message: string): void {
  try {
    const logFile = path.join(LOGS_DIR, "terminal-debug.log");
    const timestamp = new Date().toISOString();
    const logEntry = `[${timestamp}] ${message}\n`;
    
    // Check file size and rotate if needed
    if (fs.existsSync(logFile)) {
      const stats = fs.statSync(logFile);
      if (stats.size > MAX_LOG_SIZE_BYTES) {
        const backupFile = `${logFile}.${Date.now()}`;
        fs.renameSync(logFile, backupFile);
      }
    }
    
    fs.appendFileSync(logFile, logEntry);
  } catch (err) {
    // Silently fail - logging should never break functionality
    console.error("Failed to write debug log:", err);
  }
}

export function formatCommandForLog(command: string, maxLength = 200): string {
  if (command.length <= maxLength) return command;
  return command.slice(0, maxLength) + "…";
}