#!/bin/bash

echo "Displaying the 20 largest files on the system:"
find / -xdev -type f -exec du -h {} + 2>/dev/null | sort -rh | head -n 20

echo -e "\nThe following files are safe to remove and will free up space:"
SAFE_TO_REMOVE=(
    "/var/log/btmp"
    "/usr/local/nginx/logs/access.log"
    "/usr/local/nginx/logs/error.log"
    "/var/log/nginx/access.log"
    "/var/log/letsencrypt/letsencrypt.log"
    "/var/log/nginx/yarr_access.log"
    "/var/lib/apt/lists/*"
)

for file in "${SAFE_TO_REMOVE[@]}"; do
    if [ -e "$file" ] || [ -d "$file" ]; then
        echo "$file"
    fi
done

read -p "Do you want to proceed with the removal? (y/N): " CONFIRM
if [[ "$CONFIRM" =~ ^[Yy]$ ]]; then
    echo -e "\nRemoving files..."
    for file in "${SAFE_TO_REMOVE[@]}"; do
        if [ -f "$file" ]; then
            > "$file"
            echo "Truncated: $file"
        elif [ -d "$file" ]; then
            rm -rf "$file"
            echo "Removed directory: $file"
        fi
    done

    echo -e "\nCleaning APT cache..."
    apt clean

    echo -e "\nPruning Docker (if installed)..."
    if command -v docker >/dev/null 2>&1; then
        docker system prune -af
        docker volume prune -f
    fi

    echo -e "\nCleaning journal logs..."
    journalctl --vacuum-size=50M

    echo -e "\nCleanup completed."
else
    echo "Operation cancelled."
fi