#!/usr/bin/env bash
# Install skills/<name>/ into ~/.claude/skills/<name>/ (or $CLAUDE_SKILLS_DIR)
# Usage: install.sh [name...]   (no args = all)
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
SRC="$ROOT/skills"
TARGET="${CLAUDE_SKILLS_DIR:-$HOME/.claude/skills}"

if [ "$#" -eq 0 ]; then
  mapfile -t names < <(find "$SRC" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' | sort)
else
  names=("$@")
fi

mkdir -p "$TARGET"

for name in "${names[@]}"; do
  src_dir="$SRC/$name"
  dst_dir="$TARGET/$name"
  if [ ! -d "$src_dir" ]; then
    echo "skip: $name (not found in skills/)" >&2
    continue
  fi
  if [ ! -f "$src_dir/SKILL.md" ]; then
    echo "skip: $name (missing SKILL.md)" >&2
    continue
  fi
  rm -rf "$dst_dir"
  cp -R "$src_dir" "$dst_dir"
  echo "installed: $name → $dst_dir"
done