#!/bin/bash

######################################################################
#
#  Copyright (c) 2015 arakasi72 (https://github.com/arakasi72)
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights t$
#
#  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS O$
#
#  --> Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
#
######################################################################

PATH=/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/bin:/sbin

BLOB=develop
RTDIR=https://raw.githubusercontent.com/arakasi72/rtinst/$BLOB

check_url() {
  if [[ `wget -S --spider $1  2>&1 | grep 'HTTP/1.1 200 OK'` ]]; then echo "true"; fi
}

get_scripts() {
local script_dest=$1
local script_name=$2
local attempts=0
local script_size=0
local bindest="/usr/local/bin"

if [ -z $script_name ]; then
  script_name="${script_dest##*/}"
fi

while [ $script_size = 0 ]
  do
    rm -f $script_dest
    attempts=$(( $attempts + 1 ))
    if [ $attempts = 20 ]; then
      echo "There is a problem downloading from github. Please check your network or there may be an issue with the github website"
      echo "If the Github website is down, you can try again later"
      exit 1
    fi
    wget -q --no-check-certificate --output-document=$script_dest $RTDIR/$script_name
    script_size=$(du -b $script_dest | cut -f1)
  done

if case $script_dest in *"${bindest}"*) true;; *) false;; esac; then
  chmod 755 $script_dest
fi

}

if ! [ "$LOGNAME" = "root" ]; then
  echo "Must be run as root, directly or with sudo"
  exit 1
fi

if [ $# = 0 ]; then
  if [ "$(check_url $RTDIR/script_list)" = "true" ]; then
    script_list=($(curl -s $RTDIR/script_list))
  else
    echo "Could not access github repository"
    exit
  fi
  
  for script in "${script_list[@]}"
  do
    get_scripts /usr/local/bin/"${script##*/}" $script
  done

  echo "Completed scripts download"

  RUNDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

  if [ "$RUNDIR" != "/usr/local/bin" ]; then
    rm -f $RUNDIR/rtgetscripts
  fi

else
  if [ -z $2 ]; then
    scriptnme="${1##*/}"
  else
    scriptnme=$2
  fi

  if [ "$(check_url $RTDIR/$scriptnme)" = "true" ]; then
    get_scripts $1 $2
  else
    echo "could not access $scriptnme on github, check github website"
  fi

fi