#!/bin/sh

if [ ${0:0:1} == "/" ]
then
    SOURCE=$(dirname $0)/
else
    SOURCE=$(dirname `pwd`/$0)/
fi
DESTINATION=~

if [ "$1" == "install" ] || [ "$1" == "link" ] || [ "$1" == "links" ]
then
    REMOVE=1
    BIN="ln -s"
elif [ "$1" == "update" ]
then
    cd $SOURCE
    git pull `git remote -v | head -n 1 | cut -f 1` &&
    git submodule init && git submodule update
    exit $?
elif [ "$1" == "remove" ] || [ "$1" == "uninstall" ]
then
    REMOVE=0
    BIN="rm"
elif [ "$1" == "copy" ]
then
    REMOVE=1
    BIN="cp -r"
else
    echo -e "\e[01mNemunaire's configuration\e[0m"
    echo -e "    Author:\t\tNemunaire <nemunaire@pomail.fr>"
    echo -e "    Original source:\thttps://git.nemunai.re/?p=conf.git"
    echo
    echo "Usage:"
    echo "    $0 install"
    echo "        Create symbolic links from this directory to your home"
    echo "    $0 remove"
    echo "        Remove symbolic links from your home"
    echo "    $0 update"
    echo "        Pull last commits from the server from" `git remote -v | head -n 1 | cut -f 2`
    echo "    $0 copy"
    echo "        Copy configuration files instead of make links"
    exit 0
fi

cd $SOURCE
git submodule init
git submodule update

TMPERR=`mktemp`
for f in `ls -a $SOURCE`
do
    if [ "$f" != "." ] && [ "$f" != ".." ] && [ "$f" != ".git" ] &&
       [ "$f" != ".gitmodules" ] && [ "$f" != "install.sh" ]
    then
        if [ $REMOVE -eq 0 ]; then
	    echo -ne "Removing $f ...\t"
            if [ -L $DESTINATION/$f ]; then
                $BIN $DESTINATION/$f >&2 2> $TMPERR
	        if [ $? == 0 ]; then echo -e "done"; else echo -e "fail"; fi
	        cat $TMPERR
            else
                echo -e "Not installed"
            fi
        else
	    echo -ne "Installing $f ...\t"
	    if [ ${#f} -lt 9 ]; then echo -en "\t"; fi
	    if [ -L $DESTINATION/$f ]
	    then
	        echo -e "Already installed"
	    elif [ -e $DESTINATION/$f ]
	    then
	        echo -e "Already existing"
	    else
	        $BIN $SOURCE/$f $DESTINATION/$f >&2 2> $TMPERR
	        if [ $? == 0 ]; then echo -e "done"; else echo -e "fail"; fi
	        cat $TMPERR
	    fi
        fi
    fi
done