#!/bin/sh
# Copyright (c) 2020 TorGuard forum user 19807409
# download bins
setDbin () {
  # use curl or wget
  CURLBIN="/usr/bin/curl"
  WGETBIN="/usr/bin/wget"
  DBINFOUNDMSG1="OK - found:"
  DBINNOTFOUNDMSG1="NOT FOUND"
  DBINFOUNDCURLMSG1="curl: ${DBINFOUNDMSG1} - ${CURLBIN}"
  DBINFOUNDWGETMSG1="wget: ${DBINFOUNDMSG1} - ${WGETBIN}"
  if [ -f ${CURLBIN} ]; then
    echo "${DBINFOUNDCURLMSG1}"
    DBIN="${CURLBIN} -o"
    DBINAPI="${CURLBIN} -k"
  elif [ -f ${WGETBIN} ]; then
    echo "${DBINFOUNDWGETMSG1}"
    DBIN="${WGETBIN} -O"
    DBINAPI="${WGETBIN} --no-check-certificate -qO-"
  else
    echo "curl: ${DBINNOTFOUNDMSG1}"
    echo "wget: ${DBINNOTFOUNDMSG1}"

    read -p "Script could not find curl or wget, do you want to try to install curl (y/n)? " askcurlinstall
    case "$askcurlinstall" in 
      y|Y ) echo "try to install curl from opkg...";opkg update && opkg install curl;if [ -f ${CURLBIN} ]; then askwgetinstall="n"; else askwgetinstall="y"; fi;;
      n|N ) read -p "User choice is not to install curl ... do you want to try to install wget (y/n)? " askwgetinstall;;
      * ) echo "${INVALIDCHOICEMSG1}"; exit;;
    esac
    case "$askwgetinstall" in 
      y|Y ) echo "try to install wget from opkg...";opkg update && opkg install wget;;
      n|N ) if [ -f ${CURLBIN} ]; then echo "askwgetinstall... skip due to selected curl"; else echo "script can not find curl or wget which is required, please install curl or wget before running this script and ensure that your internet connection is available." && exit; fi;;
      * ) echo "${INVALIDCHOICEMSG1}"; exit;;
    esac

    if [ -f ${CURLBIN} ]; then
      echo "${DBINFOUNDCURLMSG1}"
    elif [ -f ${WGETBIN} ]; then
      echo "${DBINFOUNDWGETMSG1}"
    else
      DBIN="ERROR: script requires curl or wget with ssl support, installation failed" &&  echo "$DBIN
      Install curl with:

        opkg update
        opkg install curl

      or wget with SSL support:

        opkg update
        opkg install wget"
      exit
    fi
  fi
}

setDbin
BINSOUTDIR="/usr/bin"
BINS="tgfunctions tginit tginit-uci-basic tginstall tguninstall tgsetup tgupgrade speedperf"

if [ -f /etc/config/torguard ]; then
	mv -f /etc/config/torguard /etc/config/torguard.old
fi

for i in ${BINS}; do
	if [ -f /usr/bin/${i} ]; then
		rm -f /usr/bin/${i}
	fi
	${DBIN} /usr/bin/${i} https://raw.githubusercontent.com/TorGuard/openwrt-scripts/master/usr/bin/${i}
	chmod +x /usr/bin/${i}
done
tginstall