#!/usr/bin/env bash

# abort if the user is not root
if [[ $(id -u) != "0" ]]; then
  echo "Usage: run ${0##*/} as root" 1>&2
  exit 1
fi

set -e

SYSTEM_ARCH=$("$(dirname "$0")/arch.sh")
DESTARCH=${2:-$SYSTEM_ARCH}

. /etc/os-release

echo "Installing Darktable for ${DESTARCH^^}..."

if [[ $DESTARCH == "amd64" ]]; then
  if [[ $VERSION_CODENAME == "bullseye" ]]; then
    echo 'deb http://download.opensuse.org/repositories/graphics:/darktable/Debian_11/ /' | tee /etc/apt/sources.list.d/graphics:darktable.list
    curl -fsSL https://download.opensuse.org/repositories/graphics:darktable/Debian_11/Release.key | gpg --dearmor | tee /etc/apt/trusted.gpg.d/graphics_darktable.gpg > /dev/null
    apt-get update
    apt-get -qq install darktable
  elif [[ $VERSION_CODENAME == "buster" ]]; then
    echo 'deb http://download.opensuse.org/repositories/graphics:/darktable/Debian_10/ /' | tee /etc/apt/sources.list.d/graphics:darktable.list
    curl -fsSL https://download.opensuse.org/repositories/graphics:darktable/Debian_10/Release.key | gpg --dearmor | tee /etc/apt/trusted.gpg.d/graphics_darktable.gpg > /dev/null
    apt-get update
    apt-get -qq install darktable
  else
    echo "install-darktable: installing standard amd64 (Intel 64-bit) package"
    apt-get -qq install darktable
  fi
  echo "Done."
elif [[ $DESTARCH == "arm64" ]]; then
  if [[ $VERSION_CODENAME == "bullseye" ]]; then
    apt-get update
    apt-get -qq install -t bullseye-backports darktable
  elif [[ $VERSION_CODENAME == "buster" ]]; then
    apt-get update
    apt-get -qq install -t buster-backports darktable
  else
    echo "install-darktable: installing standard amd64 (ARM 64-bit) package"
    apt-get -qq install darktable
  fi
  echo "Done."
else
  echo "Unsupported Machine Architecture: $DESTARCH"
fi