#!/usr/bin/env bash
set -euo pipefail

# gstack-platform-detect: show which AI coding agents are installed and gstack status
printf "%-16s %-10s %-40s %s\n" "Agent" "Version" "Skill Path" "gstack"
printf "%-16s %-10s %-40s %s\n" "-----" "-------" "----------" "------"
for entry in "claude:claude" "codex:codex" "droid:factory" "kiro-cli:kiro"; do
  bin="${entry%%:*}"; label="${entry##*:}"
  if command -v "$bin" >/dev/null 2>&1; then
    ver=$("$bin" --version 2>/dev/null | head -1 || echo "unknown")
    case "$label" in
      claude)  spath="$HOME/.claude/skills/gstack" ;;
      codex)   spath="$HOME/.codex/skills/gstack" ;;
      factory) spath="$HOME/.factory/skills/gstack" ;;
      kiro)    spath="$HOME/.kiro/skills/gstack" ;;
    esac
    status=$([ -d "$spath" ] && echo "INSTALLED" || echo "NOT INSTALLED")
    printf "%-16s %-10s %-40s %s\n" "$label" "$ver" "$spath" "$status"
  fi
done