#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
SKILL_ROOT="$(dirname "$SCRIPT_DIR")"
source "$SKILL_ROOT/scripts/_common.sh"

: "${HTTP_PORT:=3000}"
: "${SSH_PORT:=2222}"

main() {
  if command -v ss >/dev/null 2>&1; then
    ss -ltn | awk '{print $4}' | grep -q ":$HTTP_PORT$" && die "HTTP_PORT $HTTP_PORT already in use"
    ss -ltn | awk '{print $4}' | grep -q ":$SSH_PORT$" && die "SSH_PORT $SSH_PORT already in use"
  else
    log_warn "ss not available; skipping port checks."
  fi
  log_info "Ports appear free."
}
main "$@"