#!/bin/bash
# Developed By Chetan Khatri
source fnc_gonzy.sh

function fnc_principal(){
  fnc_gonzy_intro "Numero a texto (EN)" "Obtiene el texto (en inglés) del número \ningresado, hasta 15 dígitos.\nAdaptado por Gonzy."
  numberEN=0
  read -p "Número?: " numberEN;

  number=`echo $numberEN | sed s/' '/''/g`

  if [[ $? -gt 0 || -z $number ]] ; then
    echo -e "\n *****Error : Número incorrecto \n"
    exit 1
  fi

  if ! [[ "$number" =~ ^[0-9]+$ ]] ; then
   exec >&2; echo -e "\n *****Error: No es un entero. \n"; exit 1
  fi

  number=`echo "$number * 1" | bc 2> /dev/null`

  GlobalLength=`expr length $number`

  [ $GlobalLength -gt 15 ] && echo -e "\n *****Error : Longitud incorrecta ( $number ~~> $GlobalLength Digitos) \n" && exit 1

  Convert
  exit
}

function One(){
  local n=$1
  if [ $n -eq "1" ] ; then
      words=`echo -n "$words One"`
  elif [ $n -eq "2" ] ; then
      words=`echo -n "$words Two"`
  elif [ $n -eq "3" ] ; then
      words=`echo -n "$words Three"`
  elif [ $n -eq "4" ] ; then
      words=`echo -n "$words Four"`
  elif [ $n -eq "5" ] ; then
      words=`echo -n "$words Five"`
  elif [ $n -eq "6" ] ; then
      words=`echo -n "$words Six"`
  elif [ $n -eq "7" ] ; then
      words=`echo -n "$words Seven"`
  elif [ $n -eq "8" ] ; then
      words=`echo -n "$words Eight"`
  elif [ $n -eq "9" ] ; then
      words=`echo -n "$words Nine"`
  elif [[ $GlobalLength -lt "2" && $n -eq "0" ]] ; then
      words="Zero"
  fi
}

function Two(){
  local num=$1
  local n=`echo ${num:0:1}`
  local p=`echo ${num:1:1}`
  if [ $n -eq "0" ] ; then
      One $p
  elif [[ $n -eq "1" && $p -eq "0" ]] ; then
      words=`echo -n "$words Ten"`
  elif [[ $n -eq "1" && $p -eq "1" ]] ; then
      words=`echo -n "$words Eleven"`
  elif [[ $n -eq "1" && $p -eq "2" ]] ; then
      words=`echo -n "$words Twelve"`
  elif [[ $n -eq "1" && $p -eq "3" ]] ; then
      words=`echo -n "$words Thirteen"`
  elif [[ $n -eq "1" && $p -eq "4" ]] ; then
      words=`echo -n "$words Fourteen"`
  elif [[ $n -eq "1" && $p -eq "5" ]] ; then
      words=`echo -n "$words Fifteen"`
  elif [[ $n -eq "1" && $p -eq "6" ]] ; then
      words=`echo -n "$words Sixteen"`
  elif [[ $n -eq "1" && $p -eq "7" ]] ; then
      words=`echo -n "$words Seventeen"`
  elif [[ $n -eq "1" && $p -eq "8" ]] ; then
      words=`echo -n "$words Eighteen"`
  elif [[ $n -eq "1" && $p -eq "9" ]] ; then
      words=`echo -n "$words Nineteen"`
  elif [[ $n -eq "2" ]] ; then
      words=`echo -n "$words Twenty"`
      One $p
  elif [[ $n -eq "3" ]] ; then
      words=`echo -n "$words Thirty"`
      One $p
  elif [[ $n -eq "4" ]] ; then
      words=`echo -n "$words Forty"`
      One $p
  elif [[ $n -eq "5" ]] ; then
      words=`echo -n "$words Fifty"`
      One $p
  elif [[ $n -eq "6" ]] ; then
      words=`echo -n "$words Sixty"`
      One $p
  elif [[ $n -eq "7" ]] ; then
      words=`echo -n "$words Seventy"`
      One $p
  elif [[ $n -eq "8" ]] ; then
      words=`echo -n "$words Eighty"`
      One $p
  elif [[ $n -eq "9" ]] ; then
      words=`echo -n "$words Ninety"`
      One $p
  fi

}

function Three(){
    local num=$1
    local n=`echo ${num:0:1}`
    local p=`echo ${num:1:2}`
    if [ $n -gt 0 ] ; then
      One $n
      words=`echo "$words Hundred"`

    fi
    Two $p
}

function Four(){
    local num=$1
    local n=`echo ${num:0:1}`
    local p=`echo ${num:1:3}`
    if [ $n -gt 0 ] ; then
      One $n
      words=`echo "$words Thousand,"`
 
    fi
    Three $p
}

function Five(){
    local num=$1
    local n=`echo ${num:0:2}`
    local p=`echo ${num:2:3}`
    if [ $n -gt 0 ] ; then
      Two $n
      words=`echo "$words Thousand,"`
  
    fi
    Three $p
}

function Six(){
    local num=$1
    local n=`echo ${num:0:3}`
    local p=`echo ${num:3:5}`
    if [ $n -gt 0 ] ; then
      Three $n
      words=`echo "$words Thousand,"`
   
    fi
    Three $p
}

function Seven(){
    local num=$1
    local n=`echo ${num:0:1}`
    local p=`echo ${num:1:6}`
    if [ $n -gt 0 ] ; then
      One $n
      words=`echo "$words Million,"`
    
    fi
    Six $p
}

function Eight(){
    local num=$1
    local n=`echo ${num:0:2}`
    local p=`echo ${num:2:7}`
    if [ $n -gt 0 ] ; then
      Two $n
      words=`echo "$words Million,"`
     
    fi
    Six $p
}

function Nine(){
    local num=$1
    local n=`echo ${num:0:3}`
    local p=`echo ${num:3:8}`
    if [ $n -gt 0 ] ; then
      Three $n
      words=`echo "$words Million,"`
  #    
    fi
    Six $p
}

function Ten(){
    local num=$1
    local n=`echo ${num:0:1}`
    local p=`echo ${num:1:9}`
    if [ $n -gt 0 ] ; then
      One $n
      words=`echo "$words Billion,"`
   #   
    fi
    Nine $p
}

function Eleven(){
    local num=$1
    local n=`echo ${num:0:2}`
    local p=`echo ${num:2:10}`
    if [ $n -gt 0 ] ; then
      Two $n
      words=`echo "$words Billion,"`
    
    fi
    Nine $p
}

function Twelve(){
    local num=$1
    local n=`echo ${num:0:3}`
    local p=`echo ${num:3:11}`
    if [ $n -gt 0 ] ; then
      Three $n
      words=`echo "$words Billion,"`
     
    fi
    Nine $p
}

function Thirteen(){
    local num=$1
    local n=`echo ${num:0:1}`
    local p=`echo ${num:1:12}`
    if [ $n -gt 0 ] ; then
      One $n
      words=`echo "$words Trillion,"`
      #
    fi
    Twelve $p
}

function Fourteen(){
    local num=$1
    local n=`echo ${num:0:2}`
    local p=`echo ${num:2:13}`
    if [ $n -gt 0 ] ; then
      Two $n
      words=`echo "$words Trillion,"`
    
    fi
    Twelve $p
}

function Fifteen(){
    local num=$1
    local n=`echo ${num:0:3}`
    local p=`echo ${num:3:14}`
    if [ $n -gt 0 ] ; then
      Three $n
      words=`echo "$words Trillion,"`
     
    fi
    Twelve $p
}

function Convert(){
    if [ $GlobalLength -eq "15" ] ; then
	Fifteen $number
    elif [ $GlobalLength -eq "14" ] ; then
	Fourteen $number
    elif [ $GlobalLength -eq "13" ] ; then
	Thirteen $number
    elif [ $GlobalLength -eq "12" ] ; then
	Twelve $number
    elif [ $GlobalLength -eq "11" ] ; then
	Eleven $number
    elif [ $GlobalLength -eq "10" ] ; then
	Ten $number
    elif [ $GlobalLength -eq "9" ] ; then
	Nine $number
    elif [ $GlobalLength -eq "8" ] ; then
	Eight $number
    elif [ $GlobalLength -eq "7" ] ; then
	Seven $number
    elif [ $GlobalLength -eq "6" ] ; then
	Six $number
    elif [ $GlobalLength -eq "5" ] ; then
	Five $number
    elif [ $GlobalLength -eq "4" ] ; then
	Four $number
    elif [ $GlobalLength -eq "3" ] ; then
	Three $number
    elif [ $GlobalLength -eq "2" ] ; then
	Two $number
    else
	One $number
    fi
    fnc_msg_color 2 "Procesando."
    sleep 1
    echo -e "\n"
    fnc_msg_color 1 "$words"
    echo -e "\n"
}

fnc_principal