#!/bin/bash

list=()

function torles() {
	read -p "Enter the User name: " username
	sed -i "/$username/d" ./users.txt
	echo $username torolve!

}
function givegid(){
	# előző gid-et adja vissza
	elozogid=$( tail -n 1 users.txt | cut -d':' -f 4 )
	#új gid
	gid=$(($elozogid+1))
}

function giveuid(){
	# előző uid-et adja vissza
	elozouid=$( tail -n 1 users.txt | cut -d':' -f 3 )
	#új uid
	uid=$(($elozouid+1))
}

function readusers(){
	while IFS= read -r line; do
		list+=("$line");
	done < users.txt
}

function listusers(){
	for i in "${list[@]}"
	do
	   echo "${i}"
	done
}

while true
do
valasz='Mit szeretnel?'
options=("Listazas" "Hozzaadas" "Torles" "Zarolas" "Engedelyezes" "Jelszovaltas" "Shellvaltas" "Quit")
select opt in "${options[@]}"
do
	case $opt in
	"Listazas")
		readusers
		listusers
		break;;
	"Torles")
		torles
		break;;
	"Zarolas")
		break;;
	"Engedelyezes")
		break;;
	"Jelszovaltas")
		break;;
	"Shellvaltas")
		break;;
	"Hozzaadas")
	###########
		read -p "Enter a User name: " username
		read -p "Enter a Full name: " fullname
		read -p "Enter a Home directory: " homedir
		read -p "Enter a Bash name: " bashname
		read -p "Enter a Password: " password




		password="$(echo "$password" | md5sum | cut -d' ' -f1 )"
		giveuid
		givegid
		echo "$username:$password:$uid:$gid:$fullname:$homedir:$bashname" >> ./users.txt
	###########
		break;;
	"Quit")
		exit;;
*) echo "helytelen valasz";;
esac
done
done