#!/usr/bin/env bash

#title :nxt_alias_batch_register.sh
#description :This script creates nxt aliases from a list in the given file
#author :nadrimajstor
#date :2014-01-01
#version :0.1
#licence :This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see .

function are_arguments_correct(){
  if [[ "$#" -ne 4 || "$1" == "-h" || "$1" == "--help" ]]; then
    echo ""
    echo "Usage:"
    echo "  $0 ACCOUNT PASSPHRASE FILE URI"
    echo ""
    echo "Example:"
    echo "  $0 23948723498 mY1337PassPhrase alias.txt 'http://www.example.com'"
    exit 0
  fi
}

function is_curl_installed(){
  if ! hash curl &>/dev/null; then
    echo -e "\e[1;37mcurl\e[0m - \e[0;31mnot installed\e[0m"
    echo "try: sudo apt-get install curl"
    exit 1
  fi
}

function is_server_running(){
  if ! curl --silent -k "$URL/nxt?requestType=getState" &>/dev/null; then
    echo -e "\e[1;37m$URL\e[0m - \e[0;31mserver not found\e[0m"
    exit 1
  fi
}

function is_account_balance_positive(){
  local __balance=$(curl --silent -k "$URL/nxt?requestType=getBalance&account=$ACCOUNT" |\
                    grep 'balance' | tr --delete '{"}' | tr ':,' ' ' | cut -d ' ' -f2
                   )
  if ! [[ "$__balance" -gt 0 ]]; then
    echo -e "\e[1;37m$ACCOUNT\e[0m - \e[0;31mnot enough funds\e[0m"
    exit 1
  fi
}

function does_file_exist(){
  if ! [ -r "$FILE" ]; then
    echo -e "\e[1;37m$FILE\e[0m - \e[0;31mcan not read file\e[0m"
    exit 1
  fi
}

function create_alias(){
  local ALIAS=$1
  local __result=$(curl --silent -k "$URL/nxt?requestType=assignAlias&secretPhrase=$SECRET&alias=$ALIAS&uri=$URI&fee=$FEE&deadline=$DEADLINE")
  echo -e "\e[1;37m$ALIAS\e[0m - $__result"
}

are_arguments_correct $*
is_curl_installed

URL="https://localhost:7875"
is_server_running

ACCOUNT=$1
is_account_balance_positive

FILE=$3
does_file_exist

SECRET=$2
URI=$4
FEE=1
DEADLINE=1440

for line in $(cat "$FILE"); do
  create_alias $line
done