ccpm

#!/bin/bash

SOURCE_DIR="$HOME/dev/src/ccpm/ccpm"
CLAUDE_DIR=".claude"

function show_help {
	echo "Usage: ccpm [init|update|help]"
	echo ""
	echo "  init    - Install CCPM into the current project"
	echo "  update  - Refresh symlinks (e.g. after source adds new files)"
	echo "  help    - Show this message"
}

function ensure_symlink {
	local link_path="$1"
	local target="$2"

	if [ -L "$link_path" ]; then
		rm "$link_path"
	elif [ -e "$link_path" ]; then
		echo "  Skipping $link_path (already exists)"
		return
	fi
	ln -s "$target" "$link_path"
}

function init_project {
	if [ ! -d "$SOURCE_DIR" ]; then
		echo "Error: Source not found at $SOURCE_DIR"
		exit 1
	fi

	echo "Installing CCPM..."

	# Symlink ccpm/ at project root (commands reference "ccpm/scripts/pm/...")
	ensure_symlink "ccpm" "$SOURCE_DIR"
	echo "  Linked ccpm/ -> $SOURCE_DIR"

	# Create .claude/ and data directories
	mkdir -p "$CLAUDE_DIR/commands"
	mkdir -p "$CLAUDE_DIR/context"
	mkdir -p "$CLAUDE_DIR/epics"
	mkdir -p "$CLAUDE_DIR/prds"

	# Symlink command subdirectories (pm, context, testing)
	for dir in ccpm/commands/*/; do
		local name
		name=$(basename "$dir")
		ensure_symlink "$CLAUDE_DIR/commands/$name" "../../ccpm/commands/$name"
	done

	# Symlink individual command files (prompt.md, re-init.md, etc.)
	for file in ccpm/commands/*.md; do
		local name
		name=$(basename "$file")
		ensure_symlink "$CLAUDE_DIR/commands/$name" "../../ccpm/commands/$name"
	done
	echo "  Linked commands into $CLAUDE_DIR/commands/"

	# Symlink agents, rules, hooks
	for dir in agents rules hooks; do
		if [ -d "ccpm/$dir" ]; then
			ensure_symlink "$CLAUDE_DIR/$dir" "../ccpm/$dir"
			echo "  Linked $dir/"
		fi
	done

	# Add ccpm to .gitignore
	if ! grep -q "^ccpm$" .gitignore 2>/dev/null; then
		echo "ccpm" >> .gitignore
		echo "  Added ccpm to .gitignore"
	fi

	echo ""
	echo "Done. Run /pm:init inside Claude Code to finish setup."
}

case "$1" in
	init)
		init_project
		;;
	update)
		init_project
		;;
	*)
		show_help
		;;
esac