#!/usr/bin/env bash
  # ControlD MDM Agent — Uninstaller (macOS / Linux)
  set -euo pipefail

  echo "[*] Uninstalling ControlD MDM agent..."

  OS="$(uname -s)"

  # Stop and remove daemon/service
  if [ "${OS}" = "Darwin" ]; then
      PLIST="/Library/LaunchDaemons/com.controld.agent.plist"
      if [ -f "${PLIST}" ]; then
          launchctl unload -w "${PLIST}" 2>/dev/null || true
          rm -f "${PLIST}"
      fi
      SERVICES=$(networksetup -listallnetworkservices | tail -n +2)
      while IFS= read -r svc; do
          networksetup -setdnsservers "$svc" empty 2>/dev/null || true
      done <<< "$SERVICES"
      rm -f /etc/resolver/default
  else
      if systemctl is-active --quiet controld-agent.service 2>/dev/null; then
          systemctl stop controld-agent.service
          systemctl disable controld-agent.service
      fi
      rm -f /etc/systemd/system/controld-agent.service
      systemctl daemon-reload 2>/dev/null || true

      if [ -f /etc/systemd/resolved.conf.d/controld.conf ]; then
          rm -f /etc/systemd/resolved.conf.d/controld.conf
          systemctl restart systemd-resolved 2>/dev/null || true
      elif [ -f /etc/resolv.conf.bak ]; then
          mv /etc/resolv.conf.bak /etc/resolv.conf
      fi
  fi

  HEARTBEAT="/opt/controld/heartbeat.sh"
  (crontab -l 2>/dev/null | grep -v "${HEARTBEAT}") | crontab - 2>/dev/null || true

  rm -rf /opt/controld

  echo "[+] Uninstall complete. DNS settings restored."