#!/usr/bin/env bash

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
DEV_DIR="${DEV_DIR:-/tmp/mh-dashboard-organization-dev-worktree}"
TARGET_REF="${1:-HEAD}"

copy_optional_path() {
  local rel_path="$1"
  local src="${ROOT_DIR}/${rel_path}"
  local dst="${DEV_DIR}/${rel_path}"
  if [[ ! -e "${src}" ]]; then
    return 0
  fi
  mkdir -p "$(dirname "${dst}")"
  cp -a "${src}" "${dst}"
}

if [[ "${DEV_DIR}" == "${ROOT_DIR}" ]]; then
  echo "DEV_DIR must not be the same as the production workspace." >&2
  exit 1
fi

echo "[1/6] Removing previous dev workspace at ${DEV_DIR}"
rm -rf "${DEV_DIR}"

echo "[2/6] Cloning production workspace into isolated dev workspace"
git clone --no-hardlinks "${ROOT_DIR}" "${DEV_DIR}" >/dev/null

echo "[3/6] Checking out detached ref ${TARGET_REF}"
git -C "${DEV_DIR}" checkout --detach "${TARGET_REF}" >/dev/null

echo "[4/6] Copying local runtime env when available"
copy_optional_path ".env"

echo "[5/6] Copying local-only incoming design assets when available"
copy_optional_path "incoming-files/1.png"
copy_optional_path "incoming-files/260320.html"
copy_optional_path "incoming-files/sample style.css"
copy_optional_path "incoming-files/seat/center_chair_people_map(2).html"
copy_optional_path "incoming-files/사업관리대장"

echo "[6/6] Dev worktree ready"
echo "Path: ${DEV_DIR}"
echo "Use this to start 8081 from the isolated workspace:"
echo "  cd ${DEV_DIR} && docker compose -p mh-dashboard-organization-dev --env-file .env -f docker-compose.8081.yml up -d --build"