#!/usr/bin/env bash

usage(){
  echo "Copies the rat-times binary, data, and icon to the specified directory," 
  echo "then copies the desktop file to ~/.local/share/applications, while"
  echo "setting the correct path"
  echo ""
  echo "Example Usage: install-linux.sh ~/Applications"
}

if [ $# -eq 0 ]; then
  >&2 echo "No arguments provided, please provide a valid path for installation"
  usage
  exit 1
fi


if [ $1 = "--help" ]; then
  usage
  exit 0
fi

if [ $1 = "-h" ]; then
  usage
  exit 0
fi

dir_resolve(){
  cd "$1" 2>/dev/null || return $?  # cd to desired directory; if fail, quell any error messages but return exit status
  echo "`pwd -P`" # output full, link-resolved path
}

if APP_PATH="`dir_resolve \"$1\"`"; then
  SHORTCUT_PATH="$HOME/.local/share/applications/rat-times.desktop"
  mkdir -p $APP_PATH
  cp rat-times.x86_64 rat-times.pck rat-times.svg $APP_PATH
  sed "s@REPLACE_WITH_PATH@$APP_PATH@g" rat-times.desktop > $SHORTCUT_PATH
  echo "Rat Times is installed. To remove, please delete:"
  echo "$APP_PATH/rat-times.x86_64"
  echo "$APP_PATH/rat-times.pck"
  echo "$APP_PATH/rat-times.svg"
  echo "$SHORTCUT_PATH"
else
  echo "Could not reach $1"
fi