#!/bin/bash
# This script builds an eggdrop with getops.mod, netbots TCL and some other custom scripts 
# Author: bisco @ IRCNet

set -e

# Variables
PREFIX="$HOME/bot"
MIRROR=https://static.younerd.org/tarballs
CODE="ngbot-0.2.tar.gz"
SCRIPTPATH=$(dirname "$(readlink -f "$0")")
CODEDIR="$SCRIPTPATH/ngbot"
EGGSOURCE="$CODEDIR/source"
ADDITIONAL="$CODEDIR/additional"


# Code - DO NOT EDIT BELOW

# check_error function
# This function checks if the previous command has a non-zero exit code.

function check_error()
{
	if [ $? -ne 0 ]; then
		echo "[x] ERROR"
		exit 1
	else
		echo "[v] OK"
	fi
}

trap check_error EXIT

# usage function
# Do you need an explaination? Really?!

function usage()
{
	echo "Usage $0 [command]"
	echo ""
	echo "Options available:"
	echo "-p|--prepare runs all the step to prepare the botpack"
	echo "-b|--build   builds and install the bot"
	echo "-c|--clean   emoves the source directory"
	echo "-a|--all     install and clean functions"
	echo ""
	echo "-h|--help    shows this help and exit"
	echo ""
}

# get_source function
# This function retrieves the code from mirror

get_source()
{
    echo "[*] Downloading source code"
    cd "$HOME"
    wget $MIRROR/$CODE
    echo ""
    echo "[*] Extracting source code"
    tar xzf $CODE
    cd "$CODEDIR"
    tar xzf "$CODEDIR"/eggdrop-1.9.5.tar.gz
    mv "$CODEDIR"/eggdrop-1.9.5 "$EGGSOURCE"
    cd "$HOME"
    rm -rf $CODE
}


# assembly_botpack function
function assembly_botpack()
{
    cp "$ADDITIONAL"/eggdrop.conf "$EGGSOURCE"
    cp -r "$ADDITIONAL"/getops.mod "$EGGSOURCE"/src/mod/
    rm "$EGGSOURCE"/scripts/getops.tcl
    mv "$EGGSOURCE"/src/mod/getops.mod/getops.tcl/getops-3.0d.tcl "$EGGSOURCE"/scripts/getops.tcl
    rm -r "$EGGSOURCE"/src/mod/getops.mod/getops.tcl
    cp "$ADDITIONAL"/motd "$EGGSOURCE"/text/
}


# build_source function
# This function build the eggdrop code.

function build_source()
{
    echo "[*] Building eggdrop code"
    cd "$EGGSOURCE"
    ./configure --prefix="$PREFIX"
    make config
    make
    echo ""
    echo "[*] Installing eggdrop and scripts"
    make install
    echo ""
    cp -r "$ADDITIONAL"/scripts/b_pack "$PREFIX"/scripts/
    cp -r "$ADDITIONAL"/scripts/netbots "$PREFIX"/scripts/
    echo "[v] NGBot installed! Please edit $PREFIX/eggdrop.conf and adjust the variables to fit your needs"
    echo "[!] DO NOT FORGET: adjust the nb_bots and nb_key variables into netset.tcl"
    echo ""
}


# remove_build function
# This function remove 
function remove_build()
{
    echo "[*] Removing source and build directory"
    cd "$HOME"
    rm -rf "$CODEDIR"
}


case "$1" in
    -p|--prepare)
        get_source;
        assembly_botpack;;
    -b|--build)
        build_source;;
    -c|--clean)
        remove_build;;
    -a|--all)
        get_source;
        assembly_botpack;
        build_source;
        remove_build;;
    -h|--help|*)
	usage;;
esac