#!/bin/bash

# SPDX-License-Identifier: GPL-2.0-only
# Copyright (C) 2022-present Team LibreELEC (https://libreelec.tv)

# path to the version file
DISTRIBUTION_PATH="distributions/LibreELEC/version"

# prevents executing from wrong folder
[ -f ${DISTRIBUTION_PATH} ] || { echo "${DISTRIBUTION_PATH}: No such file or directory" && exit; }

# current addon-version
DISTRO_ADDON_VERSION=$(grep -oP '(?<=ADDON_VERSION=\").*(?=\")' ${DISTRIBUTION_PATH})

# increase addon-version x.y.z to x.y.(z+1)
BUMP_ADDON_VERSION="${DISTRO_ADDON_VERSION%.*}.$((${DISTRO_ADDON_VERSION##*.} + 1))"

# update ADDON-VERSION
update_addon_version() {
  sed -e "s|ADDON_VERSION=.*|ADDON_VERSION=\"${BUMP_ADDON_VERSION}\"|" -i "${DISTRIBUTION_PATH}"

  echo "git commit \"distro: bump ADDON_VERSION to ${BUMP_ADDON_VERSION}\""
  git commit -qs -m "distro: bump ADDON_VERSION to ${BUMP_ADDON_VERSION}" "${DISTRIBUTION_PATH}"
}

update_package() {
  # update package.mk
  for package_mk in $(find packages/addons -type f -name "package.mk" -not -path "packages/addons/addon-depends/*"); do
    sed -e "s|PKG_REV=.*|PKG_REV=\"0\"|" -i "${package_mk}"
  done

  # update changelog.txt
  for changelog_txt in $(find packages/addons -type f -name "changelog.txt" -not -path "packages/addons/addon-depends/*"); do
    echo -e "initial release" >"${changelog_txt}"
  done

  # commit changes
  # avoid errors at commit by checking if changes are available
  git diff --quiet HEAD $REF -- packages/addons || { echo "git commit \"addons: reset version\"" && git commit -qs -m "addons: reset version" "packages/addons"; }
}

# check if whiptail is installed and directly execute script when argument is supplied
if [ -z "$1" ]; then
  if ! command -v whiptail >/dev/null 2>&1; then
    echo "whiptail not installed, use the command line instead"
    echo "Usage: $0 1.2.3"
    exit
  fi
else
  BUMP_ADDON_VERSION="$1"
  update_addon_version
  update_package
  exit
fi

OPTION=$(whiptail --title "Update ADDON-VERSION" --menu "" 12 60 4 \
  "1" "Update to ${BUMP_ADDON_VERSION}" \
  "2" "Update to custom version" \
  "3" "Exit" 3>&1 1>&2 2>&3)

case $OPTION in
"1")
  update_addon_version
  update_package
  ;;
"2")
  BUMP_ADDON_VERSION=$(whiptail --inputbox "Enter ADDON-VERSION:" 10 25 ${DISTRO_ADDON_VERSION} 3>&1 1>&2 2>&3)
  EXITSTATUS=$?
  if [ $EXITSTATUS = 0 ]; then
    update_addon_version
    update_package
  else
    exit
  fi
  ;;
"3")
  exit
  ;;
esac