#!/bin/bash

# Backstor UI Uninstall Script

set -e

# Colors
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

echo -e "${YELLOW}Starting Backstor UI Uninstallation...${NC}"

# Check for root/sudo
if [ "$EUID" -ne 0 ]; then 
  echo -e "${RED}Please run as root (use sudo)${NC}"
  exit 1
fi

SERVICE_NAME="backstor"
PROJECT_DIR=$(pwd)
SERVER_DIR="$PROJECT_DIR/server"

# 1. Stop and Disable Service
echo "Stopping and disabling systemd service..."
if systemctl list-units --full -all | grep -Fq "$SERVICE_NAME.service"; then
    systemctl stop $SERVICE_NAME
    systemctl disable $SERVICE_NAME
    echo -e "${GREEN}Service stopped and disabled.${NC}"
    
    # Remove service file
    if [ -f "/etc/systemd/system/$SERVICE_NAME.service" ]; then
        rm "/etc/systemd/system/$SERVICE_NAME.service"
        echo -e "${GREEN}Service file removed.${NC}"
        systemctl daemon-reload
    fi
else
    echo "Service $SERVICE_NAME not found or already removed."
fi

# 2. Cleanup (Optional)
echo -e "\n${YELLOW}Cleanup Options:${NC}"

# Remove .env?
read -p "Remove configuration file ($SERVER_DIR/.env)? (y/N): " REMOVE_ENV
if [[ "$REMOVE_ENV" =~ ^[Yy]$ ]]; then
    if [ -f "$SERVER_DIR/.env" ]; then
        rm "$SERVER_DIR/.env"
        echo -e "${GREEN}Configuration file removed.${NC}"
    else
        echo ".env not found."
    fi
fi

# Remove node_modules?
read -p "Remove dependencies (node_modules)? (y/N): " REMOVE_DEPS
if [[ "$REMOVE_DEPS" =~ ^[Yy]$ ]]; then
    if [ -d "$SERVER_DIR/node_modules" ]; then
        rm -rf "$SERVER_DIR/node_modules"
        echo -e "${GREEN}Dependencies removed.${NC}"
    else
        echo "node_modules not found."
    fi
fi

echo -e "\n${GREEN}Uninstallation Complete!${NC}"
echo "Note: The project source code was NOT removed. To delete it, run: rm -rf $PROJECT_DIR"