setup

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

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
skills_home="${CLAUDE_SKILLS_HOME:-$HOME/.claude/skills}"

usage() {
  cat <<EOF
outreach-stack

usage:
  ./setup              install (symlink) every skill into $skills_home
  ./setup --list       show which outreach-stack skills are installed
  ./setup --uninstall  remove the symlinks this repo created
  ./setup --help       show this message

set CLAUDE_SKILLS_HOME to target a directory other than ~/.claude/skills
EOF
}

skill_sources() {
  for skill_md in "$repo_root"/*/SKILL.md; do
    [ -e "$skill_md" ] || continue
    dirname "$skill_md"
  done
}

points_here() {
  [ -L "$1" ] && [ "$(readlink "$1")" = "$2" ]
}

install() {
  mkdir -p "$skills_home"
  local installed=() skipped=()
  while IFS= read -r skill_dir; do
    local skill_name target
    skill_name="$(basename "$skill_dir")"
    target="$skills_home/$skill_name"
    if points_here "$target" "$skill_dir"; then
      installed+=("$skill_name")
    elif [ -L "$target" ]; then
      rm "$target"
      ln -s "$skill_dir" "$target"
      installed+=("$skill_name")
    elif [ -e "$target" ]; then
      skipped+=("$skill_name")
    else
      ln -s "$skill_dir" "$target"
      installed+=("$skill_name")
    fi
  done < <(skill_sources)

  echo "outreach-stack -> $skills_home"
  echo
  if [ "${#installed[@]}" -gt 0 ]; then
    echo "installed skills:"
    printf '  - %s\n' "${installed[@]}"
  fi
  if [ "${#skipped[@]}" -gt 0 ]; then
    echo
    echo "skipped (a real file or directory already lives at these names, remove it and re-run):"
    printf '  - %s\n' "${skipped[@]}"
  fi
  echo
  echo "next: open Claude Code and type"
  echo "  write a cold email to <person, by role> asking for <one thing>"
}

list_installed() {
  echo "skills in $skills_home:"
  while IFS= read -r skill_dir; do
    local skill_name target
    skill_name="$(basename "$skill_dir")"
    target="$skills_home/$skill_name"
    if points_here "$target" "$skill_dir"; then
      echo "  - $skill_name (installed)"
    else
      echo "  - $skill_name (not installed)"
    fi
  done < <(skill_sources)
}

uninstall() {
  local removed=()
  while IFS= read -r skill_dir; do
    local skill_name target
    skill_name="$(basename "$skill_dir")"
    target="$skills_home/$skill_name"
    if points_here "$target" "$skill_dir"; then
      rm "$target"
      removed+=("$skill_name")
    fi
  done < <(skill_sources)
  if [ "${#removed[@]}" -gt 0 ]; then
    echo "removed:"
    printf '  - %s\n' "${removed[@]}"
  else
    echo "nothing to remove in $skills_home"
  fi
}

case "${1:-}" in
  "") install ;;
  --list) list_installed ;;
  --uninstall) uninstall ;;
  --help|-h) usage ;;
  *) usage; exit 1 ;;
esac