#!/bin/bash
###########################################################################
#
# Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
#
# THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
# WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
#
# @file copy.sh
#
# @author (last) Behrouz NematiPour
# @date (last) 13-Mar-2020
# @author (original) Behrouz NematiPour
# @date (original) 13-Mar-2020
#
############################################################################

# device default Ip Address and denali application path
if [ "$1" == "" ]; then
  IPADDR="192.168.10.135"
else
  IPADDR="$1"
fi
SSHUSER=root
HOMEPATH="/home/$SSHUSER/"
FONTPATH="/usr/share/fonts/truetype/"
FONTSPATH="/home/denali/Project/application/resources/fonts/"
DENALIPATH="/home/denali/Project/tmp/build/denali-Qt_5_12_5_iMX8-Release/"
DENALINAME=denali

function folderExists() {
  if [ ! -d "$1" ]; then
    echo 1
    return
  fi
  echo 0
}

function fileExists() {
  if [ ! -f "$1" ]; then
    echo 1
    return
  fi
  echo 0
}

function copyFolderTo() {
  echo $1
  scp $1/* $SSHUSER@$IPADDR:$2
  if [ ! $? -eq 0 ];then
    echo "copy of file $1 unsuccessful"
    return 1
  fi
  return 0
}

function copyFileTo() {
  if [ $(fileExists "$1") -eq 0 ]; then
    scp $1 $SSHUSER@$IPADDR:$2
    if [ ! $? -eq 0 ];then
      echo "copy of file $1 unsuccessful"
      return 1
    fi
  else
    echo "File $1 doesn't exist"
  fi
  return 0
}

function exitconfirm() {
  read -p "Continue? [y,n]" -n 1 -r CONTINUE
  if [ "$CONTINUE" != "y" ]; then
    echo ""
    exit "$1"
  else
    echo ""
  fi
}

function removeIPFromHost() {
    ssh-keygen -f "/home/denali/.ssh/known_hosts" -R "$IPADDR"
    sleep 5
}

# getting the ip address of the device
function getIpAddress() {
  while true; do
    read -p "Please enter the device Ip address: "  -e -i $IPADDR -r IPADDR
    echo "removing device Ip Address from known hosts"
    removeIPFromHost
    echo "Testing connection on IP $IPADDR"
    if [ ! -z $IPADDR ]; then
      ping $IPADDR -c1 -W1
      if [ $? -eq 0 ]; then
        break
      else
        echo "Cannot connect to the device."
        echo "Either device not connected or the IP address is not correct."
        exitconfirm 1
      fi
    fi
  done
  echo "Connection successful on device with IP $IPADDR"
  echo ""
}

# getting the denali application path
function getDenaliPath() {
  while true; do
    read -p "Please enter the Denali application path: "  -e -i $DENALIPATH -r DENALIPATH
    echo "Testing Denali application path"
    if [ $(fileExists "$DENALIPATH/$DENALINAME") -eq 0 ]; then
      break
    else
      echo "Cannot find Denali application."
      echo "Either the path is not correct or the Denali application doesn't exist."
      exitconfirm 2
    fi
  done
  echo "Denali application found successfully in path '$DENALIPATH'"
  echo ""
}

# getting the fonts path
function getFontsPath() {
  while true; do
    read -p "Please enter the Fonts path: "  -e -i $FONTSPATH -r FONTSPATH
    echo "Testing Fonts path"
    if [ "$(folderExists "$FONTSPATH")" -eq 0 ]; then
      if [ "$(ls)" != "" ]; then
        break
      else
        echo "The folder $FONTSPATH is empty"
        exitconfirm 3
      fi
    else
      echo "Cannot find Fonts path."
      exitconfirm 4
    fi
  done
  echo "Fonts found successfully in path '$FONTSPATH'"
  echo ""
}

# SSH Connection
function connect() {
  echo "please ssh into device $IPADDR and run ./setup.sh"
  read -p "Do you want to ssh into device? [y,n]" -n 1 -r CONFIRM
  if [ "$CONFIRM" == "y" ]; then
    echo ""
    ssh $SSHUSER@$IPADDR
  else
    echo ""
  fi
}

function main() {
  getIpAddress

  copyFileTo    "autostart"             $HOMEPATH
  copyFileTo    "run.sh"                $HOMEPATH
  copyFileTo    "setup.sh"              $HOMEPATH

  getDenaliPath
  copyFileTo    $DENALIPATH/$DENALINAME $HOMEPATH

  getFontsPath
  copyFolderTo  $FONTSPATH              $FONTPATH
}

# running the main function
main
connect