#!/bin/bash
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

source /lib/gentoo/functions.sh || {
	echo "${0}: Could not source /lib/gentoo/functions.sh!"
	exit 1
}

# Checks to see if user is trying to install eggdrop as root.
root_check() {
	if [ "${HOME}" = "/root" ] || [ "$(whoami)" = "root" ]
	then
		ewarn "You should not be installing eggdrop as root."
		ewarn
		ewarn "Installing eggdrop as root leaves your computer vulnerable"
		ewarn "to attack from other irc clients. Please use the eggdrop-installer"
		ewarn "script as the user who you wish to run eggdrop with"
		exit 1
	fi
}

# Usage information
usage() {
	cat <<USAGE_END
Usage: eggdrop-installer <bot-name>
Install eggdrop for a specific user, creating the directories and files
needed for eggdrop to run securely and safely.
USAGE_END
	exit 1
}

# Install eggdrop
install_eggdrop() {
	einfo "Installing Eggdrop"
	einfo

	root_check

	if [ -d "${bot_dir}" ]
	then
		einfo "Already found a bot home directory for ${bot_name}"
		exit 1
	fi

	einfo "Creating directories for your eggdrop..."
	for dir in logs filesys/incoming text tmp scripts var
	do
		mkdir -p "${bot_dir}/${dir}"
	done

	einfo "Creating symlinks to required files for your bot to run..."
	for file in help language modules eggdrop
	do
		ln -s "/opt/eggdrop/${file}" "${bot_dir}/${file}"
	done

	einfo "Copying motd, banner, scripts and config file..."
	cp /opt/eggdrop/text/* "${bot_dir}/text"
	cp /opt/eggdrop/scripts/* "${bot_dir}/scripts"
	cp /opt/eggdrop/eggdrop.conf "${bot_dir}/eggdrop.conf"

	einfo "Finished..."
	einfo
	einfo "Please edit your ${bot_dir}/eggdrop.conf!"
	einfo
	einfo "The bot needs to be run from the ${bot_dir} directory."
	einfo "Run 'cd ${bot_dir} && ./eggdrop -m eggdrop.conf'"
	einfo "to create the user file and then remove the -m command line option"
	einfo "to start your eggdrop bot."
	einfo
	einfo "If you need any help please refer to the man page, or"
	einfo "eggdrop website at http://www.egghelp.org/"
}

if [ -z "${1}" ]
then
	usage
else
	bot_name="${1}"
	bot_dir="${HOME}/.eggdrop/${bot_name}"
	install_eggdrop
fi