#!/bin/bash

function intro() {
	echo
	echo "This is a script for creating an initial configuration for the msn client."
	echo "Any problems or questions regarding it, email albertogli@telpin.com.ar."
	echo
	echo "Now you will have to answer a few questions. If you are in doubt, press ENTER and the harmless default will be used."
	echo "If you want to abort any time, just press CTRL+C"
	echo
}

function get_email() {
	echo "* Email"
	echo "This is the email address you use with your msn account, usually (but not necesarily) a hotmail.com account."
	while [ -z "$EMAIL" ]; do
		read -p "Please insert your email address: " EMAIL
		echo
	done
	echo
	export EMAIL
}

function get_pass() {
	echo "* Password"
	echo "Your email address' password. Note that the characters won't be displayed for security issues."
	echo "If you press ENTER, it won't be written, and you'll be asked for it at login time."
	read -s -p "Please insert your password: " PASS
	echo
	export PASS
}

function create_dirs() {
	mkdir "$HOME/.msn" 2> /dev/null
	mkdir "$HOME/.msn/history" 2> /dev/null
	chmod -R og-rwx "$HOME/.msn"
}

function create_rc() {
	# first parameter is the rc file to create
	if [ -s "$1" ]; then
		echo "Error: file $1 already exists!"
		exit
	fi
	touch "$1"
	chmod -R 0600 "$1"
	echo "# msn client configuration file" >> "$1"
	echo "# created automatically by the msnsetup script" >> "$1"
	echo >> "$1"
	echo "email = $EMAIL" >> "$1"
	if [ -z "$PASS" ]; then
		echo "# password not configured" >> "$1"
	else
		echo "password = $PASS" >> "$1"
	fi
	echo >> "$1"
}	


# main

# we take only one optional parameter, the profile to create the rc for

intro
get_email
get_pass

echo "Creating the directory hierachy ($HOME/.msn)"
create_dirs

RC="$HOME/.msn/msnrc"
# if we have the profile, use it
if [ "$1" ]; then
	echo "Configuring for profile $1"
	RC="$HOME/.msn/msnrc-$1"
fi
echo "Creating the configuration file ($RC)"
create_rc "$RC"

RUN="msn"
if [ "$1" ]; then
	RUN="msn $1"
fi
echo "Done! run '$RUN' to start the client"