#!/bin/bash

#mage manager
# version: 0.3.6-r8

source /etc/mage.rc
TMPDIR=/tmp/magemanager
TMPFILE=${TMPDIR}/categories
TMPFILE2=${TMPDIR}/programs
TMPFILE3=${TMPDIR}/uninstalldialog
TOINSTALLDIR=${TMPDIR}/install
TOUNINSTALLDIR=${TMPDIR}/uninstall


#clear up && init
if [ -e "${TMPDIR}" ]
then
	rm -rf ${TMPDIR}
fi

install -d ${TOINSTALLDIR}
install -d ${TOUNINSTALLDIR}


create_dialog_categories() {
	#tempfile erstellen für categorie dialog
	echo -e "dialog \\" > $TMPFILE
	echo -e "--backtitle \"$TITLE\" \\" >> 	$TMPFILE
	echo -e "--cancel-label \"Beenden\" \\" >> $TMPFILE
	echo -e "--ok-label \"Auswahl\" \\" >> $TMPFILE
	echo -e "--stdout \\" >> $TMPFILE
	echo -e "--extra-button \\" >> $TMPFILE
	echo -e "--extra-label \"Install\" \\" >> $TMPFILE
	echo -e "--menu \"Bitte Kategorie auswaehlen:\" 14 70 7 \\" >> $TMPFILE

	for i in ${MAGEDIR}/*
	do
		if [ -d ${i} ]
		then
			echo "$(basename ${i}) \"\" \\" >> $TMPFILE
		fi
	done

	echo -e "\n" >> $TMPFILE
	chmod a+x $TMPFILE
}

create_dialog_programs() {
	##temp file erstellen für programme dialog
	echo -e "dialog \\" > $TMPFILE2
	echo -e "--backtitle \"$TITLE\" \\" >> 	$TMPFILE2
	echo -e "--cancel-label \"Abbrechen\" \\" >> $TMPFILE2
	#echo -e "--ok-label \"Weiter\" \\" >> $TMPFILE2
	echo -e "--stdout \\" >> $TMPFILE2
	#echo -e "--extra-button \\" >> $TMPFILE2
	#echo -e "--extra-label \"Uninstall\" \\" >> $TMPFILE2
	echo -e "--checklist \"Bitte Programm auswaehlen:\" 14 70 7 \\" >> $TMPFILE2

	for i in ${MAGEDIR}/${CATEGORIE}/*
	do
		if [ -f ${i} ]
		then
			#check if installed = 0 (true)
			if [ "$(check_installed ${i} )" == "0" ]
			then
				echo "$(basename ${i}) \"\" "on" \\" >> $TMPFILE2
			else
				echo "$(basename ${i}) \"\" "off" \\" >> $TMPFILE2
			fi
		fi
	done

	echo -e "\n" >> $TMPFILE2
	chmod a+x $TMPFILE2
}

#aufruf: check_installed $@ (bsp check_installed foo-1.0.mage dev-libs/foo-2.0-r1.mage)
check_installed(){

	#note 0= true 1=false
	
	#delete var
	unset installed
	
	local installed
	local searchfile
	#for i in $@
	#do
		#searchfile="$(basename ${i} .mage)"
		searchfile="$(basename $1 .mage)"
		if [ -d "${INSTALLDB}/${searchfile}" ]
		then
			installed=0
		else
			installed=1
		fi
	#done
	#an return ${installed}
	echo ${installed}
	
}

create_dialog_uninstall() {
	echo -e "dialog \\" > $TMPFILE3
	echo -e "--backtitle \"$TITLE\" \\" >> $TMPFILE3
	echo -e "--cancel-label \"Beenden\" \\" >> $TMPFILE3
	echo -e "--ok-label \"Uninstall\" \\" >> $TMPFILE3
	echo -e "--stdout \\" >> $TMPFILE3
	#echo -e "--extra-button \\" >> $TMPFILE3
	#echo -e "--extra-label \"Uninstall\" \\" >> $TMPFILE3
	echo -e "--checklist \"Bitte Programme waehlen:\" 14 70 7 \\" >> $TMPFILE3

	for i in ${INSTALLDB}/*
	do
		if [ -d ${i} ]
		then
			echo "$(basename ${i}) \"\" "off" \\" >> $TMPFILE3
		fi
	done

	echo -e "\n" >> $TMPFILE3
	chmod a+x $TMPFILE3
}	

#aufruf: dialog_install ${magefile}
dialog_install() {
	magefile="$1"

	dialog \
	--backtitle "$TITLE" \
	--infobox "Setting up ${magefile} ..." 3 70
}

#aufruf: dialog_uninstall ${magefile}
dialog_uninstall() {
	magefile="$1"

	dialog \
	--backtitle "$TITLE" \
	--infobox "Removing ${magefile} ..." 3 70
}

dialog_update() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Updating Mage Tree from ${RSYNC} ..." 3 70
}

dialog_clean() {
	dialog \
	--backtitle "$TITLE" \
	--infobox "Cleaning up  ..." 3 70
}

dialog_choose_what() {
	dialog \
	--stdout \
	--backtitle "$TITLE" \
	--cancel-label "Beenden" \
	--menu "What do you want todo today ?" 12 70 4 \
	"install" "Installiert Programme" \
	"uninstall" "Deinstalliert Programme" \
	"update" "Aktualisiert den Mage-Tree" \
	"clean" "Löscht heruntergeladene Packete"
}

################## Mainpart begins here ################################

TODO="$(dialog_choose_what)"

if [ "${TODO}" == "install" ]
then

RETCAT=-1

while [ $RETCAT -ne 1 ]
do
	create_dialog_categories
	CATEGORIE="`$TMPFILE`"
	RETCAT="$?"

	if [ "${RETCAT}" == "0" ]
	then
		create_dialog_programs
		PROGRAM="`$TMPFILE2`"
		
		RETPROG="$?"
		if [ "$RETPROG" == "0" ]
		then
			echo "$PROGRAM" > ${TOINSTALLDIR}/${CATEGORIE}
		fi
	fi

	#if [ "$RETPROG" == "0" ]
	#then
	#	echo "$PROGRAM" > ${TOINSTALLDIR}/${CATEGORIE}
	#fi

	#debug
	#echo "${CATEGORIE}/${PROGRAM}"


	##run install
	if [ "$RETCAT" == "3" ]
	then
		for cat in ${TOINSTALLDIR}/*
		do
			for prog in $(cat ${cat})
			do
				### cat hat full path -> basename; inhalt von prog hat klammern -> sed
				#echo "$(basename ${cat})/$(echo ${prog}|sed -e 's:\"::g')"
				magefile=$(basename ${cat})/$(echo ${prog}|sed -e 's:\"::g')
				( mage install $magefile &> /dev/null ) | dialog_install $magefile
			done
		done
		
		#force an exit
		#RETCAT=1
		 
		 #unset variables and delete tmpfiles
		 CATEGORIE=""
		 PROGRAM=""
		 for i in ${TOINSTALLDIR}/*
		 do
		 	rm -f ${i}
		done
	fi
done

fi

if [ "${TODO}" == "uninstall" ]
then
	create_dialog_uninstall
	UNINSTALL="`$TMPFILE3`"
	RETUNINST="$?"
	
	echo "${UNINSTALL}" > ${TOUNINSTALLDIR}/uninstall
	
	if [ "$RETUNINST" == "0" ]
	then
		 for i in $(cat ${TOUNINSTALLDIR}/uninstall)
		 do
		 	magefile=$(echo ${i}|sed -e 's:\"::g')
			SELECTED="$(find ${MAGEDIR} -name ${magefile}*)"
			CATEGORIE=$(dirname ${SELECTED#${MAGEDIR}/*})
			PROGRAM="$(basename ${SELECTED})"
			magefile=${CATEGORIE}/${PROGRAM}
			( mage uninstall $magefile &> /dev/null ) | dialog_uninstall $magefile
			unset magefile
			unset PROGRAM
			unset CATEGORIE
			unset SELECTED
		done
	fi
	#dialog_choose_what
fi

if [ "${TODO}" == "update" ]
then
			( mage update &> /dev/null ) | dialog_update
			#dialog_choose_what
fi

if [ "${TODO}" == "clean" ]
then
			( mage clean &> /dev/null ) | dialog_clean
			#dialog_choose_what
fi