#!/bin/bash

## Script Location
SCRIPTDIR=$(dirname $0)
source "$SCRIPTDIR/common/colors.sh"
source "$SCRIPTDIR/common/functions.sh"
source "$SCRIPTDIR/common/load-defaults.sh"

topgrade_install_directory="/opt/topgrade"
topgrade_binary="/opt/topgrade/topgrade"

install_topgrade() {
  topgrade_tar="/opt/topgrade/topgrade.tar.gz"
  topgrade_git_owner="r-darwish"
  topgrade_git_repo="topgrade"
  newest_release_url=$(curl -sL https://api.github.com/repos/$topgrade_git_owner/$topgrade_git_repo/releases/latest | jq -r ".assets[].browser_download_url" | grep x86_64-unknown-linux-gnu.tar.gz)
  wget $newest_release_url -q -O "$topgrade_tar"
  tar -xvf $topgrade_tar -C $topgrade_install_directory
  rm $topgrade_tar
  chmod +x $topgrade_binary
}

update_topgrade() {
  current_version=$($topgrade_binary --version | sed 's/[A-Za-z]*//g')
  printf "$COL_GREEN" "** Locally installed topgrade version: $current_version"
  newest_release=$(curl -sL https://api.github.com/repos/$topgrade_git_owner/$topgrade_git_repo/releases/latest | jq -r ".tag_name" | sed 's/[A-Za-z]*//g')
  printf "$COL_GREEN" "** Online topgrade version: $newest_release"

  if [ "$current_version" != "$newest_release" ]; then
    printf "$COL_LIGHT_BLUE" "* Updating topgrade binary"
    install_topgrade
  fi
}

check_topgrade_dir() {
  if [ ! -d "$topgrade_install_directory" ]; then
    printf "$COL_YELLOW" "** creating topgrade installation directory"
    mkdir $topgrade_install_directory
  else
    printf "$COL_YELLOW" "** topgrade installation directory exists"
  fi
}

printf "$COL_LIGHT_BLUE" "* Checking for topgrade directory"
check_topgrade_dir


printf "$COL_LIGHT_BLUE" "* Checking for topgrade binary"
if [ ! -f "$topgrade_binary" ]; then
  printf "$COL_YELLOW" "** topgrade binary missing, installing now"
  install_topgrade
else
  printf "$COL_LIGHT_BLUE" "* Checking for topgrade binary updates"
  update_topgrade
fi

# Ubuntu Jammy need focal repo to get this
if ! is_shared_lib_present libssl.so.1.1
then
  distro=$(get_dist)
  printf "$COL_YELLOW" "** Distrobution detected as $distro"
  if get_dist == "Ubuntu" ]]
  then
    printf "$COL_YELLOW" "** libssl.so.1.1 library missing, installing now"
    echo "deb http://security.ubuntu.com/ubuntu focal-security main" |  sudo tee /etc/apt/sources.list.d/focal-security.list
    apt update
    apt install -y libssl1.1
  else
    printf "$COL_RED" "** libssl.so.1.1 library missing, and no special fix for distro: $distro"
  fi
fi

printf "$COL_LIGHT_BLUE" "checking for topgrade confs"
custom_topgrade_confs_path="/etc/topgrade"
custom_topgrade_confs_git="https://git.deathbybandaid.net/deathbybandaid/topgrade.git"
git_update "topgrade" "$custom_topgrade_confs_path" "$custom_topgrade_confs_git"