#!/bin/bash
# ==============================================================================
# SIRO Maps — Weekly Maintenance & Log Cleanup Script
# ==============================================================================
set -euo pipefail

APP_DIR="${APP_DIR:-/home/hamzadoctor/app}"
LOG_DIR="${APP_DIR}/logs"
RETENTION_DAYS=14

echo "🧹 [$(date '+%Y-%m-%d %H:%M:%S')] Starting weekly log and docker maintenance..."

# 1. Clean old log files
if [ -d "$LOG_DIR" ]; then
  find "$LOG_DIR" -type f -name "*.log" -mtime +"$RETENTION_DAYS" -exec rm -f {} +
  echo "✅ Removed log files older than ${RETENTION_DAYS} days."
fi

# 2. Truncate current active logs if they exceed 50MB
for log in "$LOG_DIR"/*.log; do
  if [ -f "$log" ]; then
    size=$(stat -c%s "$log" 2>/dev/null || stat -f%z "$log" 2>/dev/null || echo 0)
    if [ "$size" -gt 52428800 ]; then # 50MB
      tail -n 10000 "$log" > "${log}.tmp" && mv "${log}.tmp" "$log"
      echo "✂️ Truncated large log file: $log"
    fi
  fi
done

# 3. Clean dangling docker images and build cache
docker image prune -f --filter "until=168h" > /dev/null 2>&1 || true
docker builder prune -f --keep-storage 2GB > /dev/null 2>&1 || true

echo "🏁 [$(date '+%Y-%m-%d %H:%M:%S')] Cleanup completed successfully."