#!/bin/bash

LOG_FILE="/var/log/auto-clean.log"

echo "===== AUTO CLEAN START: $(date) =====" >> $LOG_FILE

# 1. Clean /tmp (an toàn)
echo "[CLEAN] /tmp" >> $LOG_FILE
find /tmp -mindepth 1 -delete 2>> $LOG_FILE

# 2. Clean systemd journal logs (giữ 7 ngày)
echo "[CLEAN] journalctl (7 days)" >> $LOG_FILE
journalctl --vacuum-time=7d >> $LOG_FILE 2>&1

# 3. Clean apt cache
echo "[CLEAN] apt cache" >> $LOG_FILE
apt-get clean >> $LOG_FILE 2>&1
apt-get autoclean >> $LOG_FILE 2>&1

# 4. Clean PM2 logs nếu tồn tại
if command -v pm2 >/dev/null 2>&1; then
  echo "[CLEAN] pm2 logs" >> $LOG_FILE
  pm2 flush >> $LOG_FILE 2>&1
fi

echo "===== AUTO CLEAN END: $(date) =====" >> $LOG_FILE
echo "" >> $LOG_FILE


# 5. Clean MongoDB logs (older than 3 days)
if [ -d /var/log/mongodb ]; then
  echo "[CLEAN] mongodb logs (>3 days)" >> $LOG_FILE

  find /var/log/mongodb \
    -type f \
    \( -name "*.log" -o -name "*.log.*" -o -name "*.gz" \) \
    -mtime +3 \
    -print -delete >> $LOG_FILE 2>&1
fi