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

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
TARGET="${1:-claude}"

case "$TARGET" in
	claude)
		SKILLS_DEST="$HOME/.claude/skills"
		GLOBAL_CONTEXT="$HOME/.claude/CLAUDE.md"
		;;
	pi)
		SKILLS_DEST="$HOME/.pi/agent/skills"
		GLOBAL_CONTEXT="$HOME/.pi/agent/AGENTS.md"
		;;
	*)
		echo "usage: $0 [claude|pi]" >&2
		exit 1
		;;
esac

# Symlink GLOBAL_CONTEXT.md -> target global context file
if [ -L "$GLOBAL_CONTEXT" ]; then
	echo "skipped GLOBAL_CONTEXT.md (already linked)"
else
	ln -s "$SCRIPT_DIR/GLOBAL_CONTEXT.md" "$GLOBAL_CONTEXT"
	echo "linked GLOBAL_CONTEXT.md -> $GLOBAL_CONTEXT"
fi

mkdir -p "$SKILLS_DEST"

for skill in "$SCRIPT_DIR"/skills/*/; do
	name="$(basename "$skill")"
	target="$SKILLS_DEST/$name"

	if [ -e "$target" ] || [ -L "$target" ]; then
		echo "skipped $name (already exists)"
		continue
	fi

	ln -s "$skill" "$target"
	echo "linked $name -> $target"
done

echo "done. $(ls -1d "$SKILLS_DEST"/*/ 2>/dev/null | wc -l | tr -d ' ') skills installed to $SKILLS_DEST"