#!/bin/bash

#intialising the user credentials

echo " WELCOME!! MANIDEEP INAPAKOLLA
                       `date` "
echo "please enter your username :"
read username
echo " please enter your password : "
read password

#authenticating user

if [[ " $username " == " manideep " && " $password " == " 1234 " ]]
then
showmenu() {
echo "

       1)Personal info
       2)conatct info
       3)Your current orders
       4)Your previous orders
       5)Exit "
}

#displaying the user menu

read_options() {
echo " please enter your choice : "

read a

case $a in


     1) echo "Name :manideep
             Last name : inapakolla
             Address :204 w 36th street
             City:Kansas
             State:MO "
             ;;

     2) echo " phone : 816 999999 "
          ;;
 3) echo "
             Your current orders are
             iPhone 7 and
             Estimated delivery:12/31/2016 "
             ;;

     4) echo "
             Your previous orders are:
               apple ipad pro
               apple watch series2 "
               ;;


     5) echo " See you soon
               Goodbye! `date` "
               exit
                   ;;

      *)echo " please follow the instructions "
             ;;

esac
}
#calling the functions declared above
showmenu
read_options

#displaying the menu after selecting the options

while [ "$a" -lt "5" ];do
showmenu
read_options
done
else
echo " you entered incorrect password "
fi