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

if [[ -z "${AGENT_WORKSPACE:-}" ]]; then
  echo "Error: script must be executed by pcexec"
  exit 1
fi

SKILL_LIST="${AGENT_WORKSPACE}/.skill-list"
TARGET_DIR="${AGENT_WORKSPACE}/skills"
CLAW_DIR="$(cd "$(dirname "$0")" && pwd)"
MANDATORY_FILE="${CLAW_DIR}/.mandatory"

mkdir -p "$TARGET_DIR"

# First: install mandatory skills from .mandatory (one per line)
if [[ -f "$MANDATORY_FILE" ]]; then
  while IFS= read -r skill_name || [[ -n "$skill_name" ]]; do
    [[ -z "$skill_name" || "$skill_name" == \#* ]] && continue

    skill_dir="${CLAW_DIR}/${skill_name}"
    if [[ -d "$skill_dir" ]]; then
      echo "Installing (mandatory): $skill_name"
      cp -r "$skill_dir" "${TARGET_DIR}/"
    else
      echo "Skipping (not found): $skill_name"
    fi
  done < "$MANDATORY_FILE"
fi

# Then: install skills from .skill-list
if [[ -f "$SKILL_LIST" ]]; then
  while IFS= read -r skill_name || [[ -n "$skill_name" ]]; do
    [[ -z "$skill_name" || "$skill_name" == \#* ]] && continue

    skill_dir="${CLAW_DIR}/${skill_name}"
    if [[ -d "$skill_dir" ]]; then
      echo "Installing: $skill_name"
      cp -r "$skill_dir" "${TARGET_DIR}/"
    else
      echo "Skipping (not found): $skill_name"
    fi
  done < "$SKILL_LIST"
else
  echo "Error: .skill-list not found at $SKILL_LIST"
  exit 1
fi

echo "Done."