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

# Symlink all skills from this repo into ~/.claude/skills/ (personal scope)
# so they're available across all Claude Code projects.

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_DIR="$(dirname "$SCRIPT_DIR")"
SKILLS_SRC="$REPO_DIR/skills"
SKILLS_DST="$HOME/.claude/skills"

GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

mkdir -p "$SKILLS_DST"

installed=0
skipped=0

for skill_dir in "$SKILLS_SRC"/*/; do
    [ -d "$skill_dir" ] || continue
    skill_name="$(basename "$skill_dir")"
    target="$SKILLS_DST/$skill_name"

    if [ -L "$target" ]; then
        existing="$(readlink -f "$target")"
        expected="$(readlink -f "$skill_dir")"
        if [ "$existing" = "$expected" ]; then
            echo -e "${YELLOW}SKIP${NC} $skill_name (already linked)"
            skipped=$((skipped + 1))
            continue
        else
            echo -e "${YELLOW}UPDATE${NC} $skill_name (repointing symlink)"
            rm "$target"
        fi
    elif [ -e "$target" ]; then
        echo -e "${YELLOW}SKIP${NC} $skill_name (non-symlink exists at $target — remove manually to update)"
        skipped=$((skipped + 1))
        continue
    fi

    ln -s "$skill_dir" "$target"
    echo -e "${GREEN}INSTALLED${NC} $skill_name → $target"
    installed=$((installed + 1))
done

echo ""
echo "Done. Installed: $installed, Skipped: $skipped"
echo "Skills are now available as slash commands in Claude Code (e.g. /reflect M8)"