#!/usr/bin/env bash
# Sync skills from common-skills repo into the current project's .kiro/skills/
#
# Usage:
#   bash scripts/sync.sh                        # sync all skills
#   bash scripts/sync.sh codereview python      # sync specific skills
#
# Set COMMON_SKILLS_DIR to override the source path (default: ~/common-skills)

set -euo pipefail

COMMON_SKILLS_DIR="${COMMON_SKILLS_DIR:-$HOME/common-skills}"
TARGET_DIR=".kiro/skills"
SKILLS_SRC="$COMMON_SKILLS_DIR/skills"

if [[ ! -d "$SKILLS_SRC" ]]; then
  echo "❌ common-skills not found at $COMMON_SKILLS_DIR"
  echo "   Clone it first: git clone <repo> ~/common-skills"
  exit 1
fi

# Pull latest
git -C "$COMMON_SKILLS_DIR" pull --ff-only 2>/dev/null || true

mkdir -p "$TARGET_DIR"

if [[ $# -gt 0 ]]; then
  skills=("$@")
else
  skills=($(ls "$SKILLS_SRC"))
fi

for skill in "${skills[@]}"; do
  src="$SKILLS_SRC/$skill"
  dst="$TARGET_DIR/$skill"
  if [[ ! -d "$src" ]]; then
    echo "⚠️  Skill not found: $skill"
    continue
  fi
  rm -rf "$dst"
  cp -r "$src" "$dst"
  echo "✅ Synced: $skill"
done

echo "Done. Skills available in $TARGET_DIR/"