#!/usr/bin/env bash
if [ -z "${BASH_VERSION:-}" ]; then
  exec bash "$0" "$@"
fi
set -euo pipefail

SCRIPT_PATH="$(cd "$(dirname "$0")" && pwd)/$(basename "$0")"
SCRIPT_DIR="$(cd "$(dirname "${SCRIPT_PATH}")" && pwd)"

INSTALL_DIR="${INSTALL_DIR:-${SCRIPT_DIR}}"
REPO_URL="${REPO_URL:-https://forgejo.tailef61c0.ts.net/openclaw/lidarr-spotify-frontend.git}"
REPO_BRANCH="${REPO_BRANCH:-main}"

bootstrap_repo_into_install_dir() {
  local tmpdir
  tmpdir="$(mktemp -d)"
  trap 'rm -rf "${tmpdir}"' EXIT

  echo "==> Clone Repo nach temporaer: ${tmpdir}/repo"
  git clone --branch "${REPO_BRANCH}" "${REPO_URL}" "${tmpdir}/repo"

  echo "==> Kopiere Repo nach ${INSTALL_DIR}"
  cp -a "${tmpdir}/repo/." "${INSTALL_DIR}/"
}

is_allowed_bootstrap_file() {
  case "$1" in
    start.sh|.env|.env.unraid) return 0 ;;
    *) return 1 ;;
  esac
}

if [[ "${START_BOOTSTRAPPED:-0}" != "1" ]]; then
  if ! command -v git >/dev/null 2>&1; then
    echo "Fehler: git wurde nicht gefunden."
    exit 1
  fi

  mkdir -p "${INSTALL_DIR}"

  if [[ -d "${INSTALL_DIR}/.git" ]]; then
    echo "==> Repo vorhanden, aktualisiere: ${INSTALL_DIR}"
    if [[ "${SKIP_GIT_PULL:-0}" != "1" ]]; then
      git -C "${INSTALL_DIR}" fetch --prune origin
      git -C "${INSTALL_DIR}" checkout "${REPO_BRANCH}"
      git -C "${INSTALL_DIR}" pull --ff-only origin "${REPO_BRANCH}"
    fi
  else
    mapfile -t existing_files < <(ls -A "${INSTALL_DIR}")
    if [[ "${#existing_files[@]}" -eq 0 ]]; then
      bootstrap_repo_into_install_dir
    else
      only_allowed=1
      for file in "${existing_files[@]}"; do
        if ! is_allowed_bootstrap_file "${file}"; then
          only_allowed=0
          break
        fi
      done

      if [[ "${only_allowed}" -eq 1 ]]; then
        bootstrap_repo_into_install_dir
      else
        echo "Fehler: ${INSTALL_DIR} ist kein Git-Repo und enthaelt bereits andere Dateien."
        echo "Bitte INSTALL_DIR setzen oder Verzeichnis leeren."
        exit 1
      fi
    fi
  fi

  exec env \
    START_BOOTSTRAPPED=1 \
    INSTALL_DIR="${INSTALL_DIR}" \
    REPO_URL="${REPO_URL}" \
    REPO_BRANCH="${REPO_BRANCH}" \
    SKIP_GIT_PULL="${SKIP_GIT_PULL:-0}" \
    UNRAID_URL="${UNRAID_URL:-}" \
    TEMPLATE_NAME="${TEMPLATE_NAME:-my-lidarr-spotify-frontend.xml}" \
    bash "${INSTALL_DIR}/start.sh" "$@"
fi

PROJECT_ROOT="${INSTALL_DIR}"
RUN_SCRIPT="${PROJECT_ROOT}/scripts/run-unraid.sh"

if [[ ! -x "${RUN_SCRIPT}" ]]; then
  chmod +x "${RUN_SCRIPT}"
fi

for env_file in "${PROJECT_ROOT}/.env.unraid" "${PROJECT_ROOT}/.env"; do
  if [[ -f "${env_file}" ]]; then
    echo "==> Lade Umgebungswerte aus ${env_file}"
    # shellcheck disable=SC1090
    set -a; source "${env_file}"; set +a
    break
  fi
done

"${RUN_SCRIPT}"

TEMPLATE_NAME="${TEMPLATE_NAME:-my-lidarr-spotify-frontend.xml}"
UNRAID_URL="${UNRAID_URL:-}"

if [[ -z "${UNRAID_URL}" ]]; then
  if command -v hostname >/dev/null 2>&1; then
    HOST_IP="$(hostname -I 2>/dev/null | awk '{print $1}')"
    if [[ -n "${HOST_IP}" ]]; then
      UNRAID_URL="http://${HOST_IP}"
    fi
  fi
fi

if [[ -z "${UNRAID_URL}" ]]; then
  UNRAID_URL="http://tower"
fi

UNRAID_URL="${UNRAID_URL%/}"
TARGET_URL="${UNRAID_URL}/Docker/AddContainer?xmlTemplate=user/${TEMPLATE_NAME}"

echo "==> Template direkt aufrufen:"
echo "${TARGET_URL}"

if command -v xdg-open >/dev/null 2>&1; then
  xdg-open "${TARGET_URL}" >/dev/null 2>&1 || true
elif command -v open >/dev/null 2>&1; then
  open "${TARGET_URL}" >/dev/null 2>&1 || true
fi