#!/usr/bin/env bash
# Install the skills plugin globally into ~/.claude/.
#
# For each skill <name> under skills/<name>/, creates symlinks:
#   ~/.claude/skills/<name>  -> <repo>/skills/<name>
#   ~/.claude/agents/<name>  -> <repo>/skills/<name>/agents   (if that dir exists)
#
# Idempotent — existing symlinks pointing to this repo are left
# alone; existing entries that point elsewhere are reported and
# skipped.

set -euo pipefail

REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

CLAUDE_SKILLS="$HOME/.claude/skills"
CLAUDE_AGENTS="$HOME/.claude/agents"

mkdir -p "$CLAUDE_SKILLS" "$CLAUDE_AGENTS"

link_one() {
    local src="$1"
    local dst="$2"
    if [ -L "$dst" ]; then
        local existing
        existing="$(readlink "$dst")"
        if [ "$existing" = "$src" ]; then
            echo "ok    $dst -> $src"
            return 0
        fi
        echo "skip  $dst already symlinked to $existing"
        return 0
    fi
    if [ -e "$dst" ]; then
        echo "skip  $dst exists and is not a symlink"
        return 0
    fi
    ln -s "$src" "$dst"
    echo "link  $dst -> $src"
}

if [ -d "$REPO_DIR/skills" ]; then
    for s in "$REPO_DIR"/skills/*/; do
        [ -d "$s" ] || continue
        name="$(basename "$s")"
        link_one "$s" "$CLAUDE_SKILLS/$name"
        if [ -d "$s/agents" ]; then
            link_one "$s/agents" "$CLAUDE_AGENTS/$name"
        fi
    done
fi

echo
echo "Install complete."
echo "Next: drop a profile into each project that should use the plugin:"
echo "  cp $REPO_DIR/templates/project-profile.yml <project>/.claude/dev-cycle-profile.yml"