#!/bin/sh

# These vars hold some color escape sequences.
# Inspired by /sbin/functions.sh from gentoo

BOLD=$'\e[1;m'
UNBOLD=$'\e[22;m'

RED=$'\e[31;01m'
GREEN=$'\e[32;01m'
YELLOW=$'\e[33;01m'
BLUE=$'\e[34;01m'
NORMAL=$'\e[39;m'

RESTART=$'\r'

# These are used when we display our messages

ERROR="${BOLD}${BLUE}[${RED} !! ${BLUE}]${NORMAL}${UNBOLD}"
WARNING="${BOLD}${BLUE}[${YELLOW} ** ${BLUE}]${NORMAL}${UNBOLD}"
OK="${BOLD}${BLUE}[${GREEN} ok ${BLUE}]${NORMAL}${UNBOLD}"

PROGRESS="${BOLD}${BLUE}[    ]${NORMAL}${UNBOLD}"

# Check if we got everything we need

SED=sed
ZNC_CONFIG=znc-config

if test "x$CXX" = "x" ; then
	CXX=g++
fi

check_binary()
{
	which $1 > /dev/null 2>&1
	if test $? = 1 ; then
		echo "${ERROR} Could not find $1. $2"
		exit 1
	fi
}

check_binary ${SED}
check_binary ${ZNC_CONFIG} "Please (re)install ZNC."
check_binary ${CXX} "What happened to your compiler?"

if test -z "$1"; then
	echo "${WARNING} USAGE: $0 <file.cpp> [file.cpp ... ]"
	exit 1
fi

CXXFLAGS=`${ZNC_CONFIG} --cflags`
INCLUDES=`${ZNC_CONFIG} --include`
LIBS=`${ZNC_CONFIG} --libs`

# Get the first word and strip away the first two chars (which is -I)
INC_PATH=`echo ${INCLUDES} | ${SED} 's: .*::' | ${SED} 's:^..::'`

if test ! -d ${INC_PATH}; then
	echo "${ERROR} Unable to find znc include dir [${INC_PATH}]. Please (re)install ZNC."
	exit 1
fi

while test ! -z "$1"
do
	FILE=$1
	shift

	MOD="${FILE%.cpp}"
	MOD="${MOD%.cc}"

	echo -n "${PROGRESS} Building ${MOD}.so... "

	if test ! -f ${FILE}; then
		echo "File not found${RESTART}${ERROR}"
	else
		if ${CXX} ${CXXFLAGS} ${INCLUDES} ${LIBS} -shared -o ${MOD}.so ${FILE} ; then
			echo "${RESTART}${OK}"
		else
			echo "${ERROR} Error while building ${MOD}.so"
		fi
	fi
done

exit 0