#!/usr/bin/env miaou-bash

# CONSTANTS

readonly MAIN_TAR_GZ_URL="https://git.artcode.re/miaou/miaou-bash/archive/main.tar.gz"

# FUNCTIONS

function bootstrap {
  cd "$(mktemp -d)" || exit 3
  curl -s -O $MAIN_TAR_GZ_URL
  tar -xzf main.tar.gz --directory "$(dirname $MIAOU_BASH_DIR)"

  local source_bin="$MIAOU_BASH_DIR/bin/miaou-bash"
  local dest_bin="/usr/bin/miaou-bash"
  if ! cmp -s "$source_bin" "$dest_bin"; then
    cp -f "$source_bin" "$dest_bin"
  fi
  echo "miaou-bash refreshed from: $MIAOU_BASH_DIR"
}
# MAIN

[[ "$UID" -ne 0 ]] && echo 'root privilege required' && exit 1
current=$(miaou-bash --version)
latest=$("$MIAOU_BASH_DIR/tools/wget_semver" artcode miaou/miaou-bash)

if [[ "$current" == "$latest" ]]; then
  echo "up-to-date version: $current"
else
  # TODO: prevent refresh from development purpose
  rm -rf "$MIAOU_BASH_DIR"
  echo BEFORE bootstrap
  bootstrap

  echo BEFORE init
  miaou-bash "$MIAOU_BASH_DIR/lib/init.bash"
  echo AFTER INIT
  echo "miaou-bash successfully updated"
  miaou-bash --version
fi