#!/usr/bin/env bash

## CONSTANTS

readonly MAIN_TAR_GZ_URL="https://git.artcode.re/miaou/miaou-bash/archive/main.tar.gz"
readonly DESTINATION=/opt/miaou-bash
readonly REQUIRED_PKGS=(file jq)

## FUNCTIONS

function push_directory {
  pushd "$1" || (echo "unable to push directory <$1>" && exit 1)
}

function pop_directory {
  popd || (echo "unable to pop from previous directory" && exit 1)
}

## MAIN

[[ "$UUID" -ne 0 ]] && echo 'root privilege required' && exit 1

if [[ -v MIAOU_BASH_DIR ]]; then
  miaou-bash "$MIAOU_BASH_DIR/init.sh"
else
  MIAOU_BASH_DIR="$DESTINATION"
  export MIAOU_BASH_DIR
  cd "$(mktemp -d)"
  curl --no-progress-meter -O $MAIN_TAR_GZ_URL
fi

if [[ $PWD != "$DESTINATION" ]]; then
  # download and fullfill /opt/miaou-bash, then run it from folder

  if [[ -L /opt/miaou-bash ]]; then
    /opt/miaou-bash/install.sh
  else
    rm -rf "$DESTINATION"

    pushd "$(mktemp -d)"
    curl --no-progress-meter -O $MAIN_TAR_GZ_URL
    tar -xzf main.tar.gz
    mv miaou-bash /opt/
    pop_directory
    rm -rf "$TEMP"

    push_directory /opt/miaou-bash && ./install.sh

  fi

else
  MIAOU_BASH_DIR=$CURDIR
  export MIAOU_BASH_DIR
  source "$MIAOU_BASH_DIR/lib/functions.bash"
  "$MIAOU_BASH_DIR/tools/idem_apt_install" "${REQUIRED_PKGS[@]}"
  ./init.sh
fi