#!/bin/bash



# ============================= Functions ============================

############################## Debugging Functions ######################
function BUGPAUSE 
{
echo " "
echo "-----------------------------------------------------------"
echo "                    MANUAL BUG CHECK!"
echo "      Is the program doing what you expect?  Please "
echo "   review preceeding output for correctness.  Thank you."
echo "-----------------------------------------------------------"
echo " "
ask "Continue? [Y/n]"
if [ $? -ne 0 ]; then
        {
        exit 100
        }
fi
}

			


####
####
#
# Error Handler.
#
####
####

function ERROR 
{
	clear
	echo "----------------"
	echo "| ABEND: Code $1 |"
	echo "-------------------------------------------------------------------------"
	echo " Bummer!  An error occurred!"
	echo " Don't you just hate it when..."
	echo "${2}?"
	echo "=========================="
	echo " Maybe this will help...."
	echo "=========================="
	SYNTAX
	exit $1
}

	



####
####
#
# -  SYNTAX  -------- Bet you cannot guess what this does.  
#
####
####

function SYNTAX 
{
ask "Do you wish to view the Syntax for VERSION?"
if [ $? -ne 0 ]; then
	return
fi 
	echo "SYNTAX:"
	echo "Program $0"
	echo "	$0 [arg1]"
	echo "	Will cause $0 to create a copy of the script newscript_template file with"
	echo "	appropriate permissions set."
	echo "	You may then use the newscript_template file to create a new shell script."  
	echo "		"
	echo "	This should make shell-scripting far easier as well as standardizing"
	echo "	many of the routine modules and functions that should be in most scripts."
	echo "NOTES:"
	echo "	${0}'s script newscript_template file is stored in "
	echo "	/root/bin/newscript_template, usually with a spare in /root/bin."
	echo "	This file can be updated or altered with a simple"
	echo "	text editor to suit your preferences."
ask "Do you wish to continue?"
if [ $? -ne 0 ]; then
	return
fi
	exit 0	
}
	






####
####
#
# -  CHECKCMD  --------- Locates the system cammands used by this script.-------
# This makes sure the commands we need exist.  If a command is missing,
# this function will cause the script to abort.
#
####
####

function CHECKCMD 
{
# Check for required *NIX executable commands.
echo "---->In CHECKCMD...."
	for i in id seq echo hostname touch cp mv rm rsync mount smbmount; do
		which $i; 
		if [ $? -ne 0 ]; then 
			ERROR 1 "the command $i is missing from the system"
		fi;  
	done

## Check for individual specifically required files
	if [ -f /root/bin/newscript_template ]; then
		echo 'Master script newscript_template  found.  Proceeding.'
	else
		ERROR 2 'when /root/bin/newscript_template is missing or not in the current directory'
	fi
	
}






####
####
#
# - R_U_ROOT  ----- Aborts the program if the person running it is not root.
#
####
####

function R_U_ROOT
{
ID=`id -u`
if [ $ID -ne 0 ]; then
	{
	echo "$0 is a potentially dangerous program."
	echo "Therefore it is only to be run by the root user."
	echo "You appear to be running it as `id -nu`."
	echo "Please try again as root or have the system administrator run"
	echo "$0 for you."
	ERROR 10 "you forget to log in as root first"
	}
fi
}



####
####
#
# - GETARGS  ----------- Converts command-line args to appropriate parameters.  Otherwise, 
# it prompts for the necessary arguments.
#
####
####

function GETARGS
{
	echo "IN GETARGS...."
	if [ -z $1 ]; then
		{
		echo "What would you like to name your new shell-script?"
		read NEWSCRIPT
		if [ -z $NEWSCRIPT ]; then
			ERROR 30 "the program won't continue because you didn't specify a name for the new shell-script"
		fi
		}
	else
		NEWSCRIPT=$1
	fi
}


####
####
#
# Reports the version for this program.
#
####
####

function VERSION
{
echo "$0 Version 10292k3-c"
}


#======================================= No more functions. ==========

#############################################################################
#################################        ####################################
#################################  MAIN  ####################################
#################################        ####################################
#############################################################################

case "$1" in
	v|V|-v|-V|--version|--VERSION|--ver|-version|-VERSION|-Version|-VER|-ver|-Ver|--Ver|--VER|--Version)
		VERSION
		exit 0
	;;
	h|H|-h|-H|--help|--HELP|HELP|help|Help|--Help)
		SYNTAX
		exit 0
	;;
esac

R_U_ROOT
VERSION
CHECKCMD
GETARGS $1 

#----------------------------------------------------------------------
#TEST-SWITCHES
#Comment out for normal use.
#SERVER=stjoseph
#FILESYSTEM=d-stjoseph
# ------------- file locations -----------------------------------------

echo "IN MAIN-------->>>>>>>"
if [ -f /root/bin/$1 ]; then
	ERROR 100 "you discover that $1 already exists"
fi
cp /root/bin/newscript_template /root/bin/$1
if [ $? -ne 0 ]; then 
	ERROR 101 "the copy command fails because I cannot find /root/bin/newscript_template"
fi
chmod 755 /root/bin/$1
if [ $? -ne 0 ]; then
	ERROR 102 "The permissions change for $1 fails"
fi
echo "New $1 file now mastered in /root/bin."
echo "$0: End run--------------<<<<<<<".