#!/bin/bash

PACKAGE_SOURCE=""
PACKAGE_BINARY=""
SOURCE_FOLDER=""
#DESTINATION_FOLDER=""
DEBIAN_TPL="/usr/share/dg/debian.tpl"

_usage()
{
	echo "[USAGE]: "
	echo "Execute dg from root folder for package"
	echo "dg PACKAGE_SOURCE PACKAGE_BINARY [SOURCE_FOLDER]"
	echo ""
	exit 1
}

_check_parameters()
{
	echo "Comprobando el directorio fuente"
	[ -d "$SOURCE_FOLDER" ] || _usage
}

_replace_vars()
{
	for f in $(ls -1 debian/* ); do 
		
		echo ""
		echo "Procesando $f"
		# Cambia el nombre del source
		echo "Cambia el nombre del source en $f"
		sed -i "s%_@_PACKAGE_SOURCE_@_%$PACKAGE_SOURCE%g" "$f"
		
		# Cambia el nombre del binario
		echo "Cambia el nombre del binario en $f"
		sed -i "s%_@_PACKAGE_BINARY_@_%$PACKAGE_BINARY%g" "$f"
		
		# Cambiamos Developer
		echo "Cambiamos Developer"
		sed -i "s%_@_DEBFULLNAME_@_%$DEBFULLNAME%g" "$f"
		sed -i "s%_@_DEBEMAIL_@_%$DEBEMAIL%g" "$f"
		
		# Cambiamos el nombre de la plantilla
		echo "Cambiando el nombre de la plantilla"
		FINAL_NAME="$(basename $f .tpl)"
		mv "$f" "debian/$FINAL_NAME"
		sleep 0.5
	
	done
}

_replenish_debian()
{
	echo "Reabasteciendo directorio debian"
	echo "¿Existe debian? .. lo creo."
	[ -d debian ] || mkdir debian
	echo "Copiando ficheros"
	cp -rf "$DEBIAN_TPL"/* debian/
}

_building_installation_tree()
{
	echo ""
	echo ""
	echo ""
	echo "Construyendo el arbol de instalacion"
	#mkdir  -p "install.$PACKAGE_BINARY"
	cp -rf "$SOURCE_FOLDER"  "install.$PACKAGE_BINARY"
	echo "install.$PACKAGE_BINARY/*		/" >> "debian/$PACKAGE_BINARY.install"
}

# Main
if [ $# -eq 0 ] ; then 
	_usage
fi

# Asigna valores de los parametros
PACKAGE_SOURCE="$1"
PACKAGE_BINARY="$2"
if [ -n "$3" ] ; then
	$SOURCE_FOLDER="$3"
	_building_installation_tree
fi

#_check_parameters
_replenish_debian
_replace_vars

exit 0