#!/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" ] || [ "$1" == "pull" ]
then
    cd $SOURCE
    git pull --recurse-submodules=yes `git remote | head -n 1`
    exit $?
elif [ "$1" == "remove" ] || [ "$1" == "uninstall" ]
then
    REMOVE=0
    BIN="rm"
elif [ "$1" == "copy" ]
then
    REMOVE=1
    BIN="cp -r"
else
    echo -e "\e[32;01mNemunaire's configuration \e[0;33m("`git branch --no-color | grep '*' | cut -d " " -f 2-`")\e[0m"
    echo -e "    \e[01mAuthor:\e[0m\t\t"`git log -1 --format="%aN <%aE>"`
    echo -e "    \e[01mOriginal source:\e[0m\thttps://git.nemunai.re/?p=conf.git"
    echo
    echo -e "\e[01mUsage:\e[0m"
    echo -e "    $0 \e[36;01minstall\e[0m"
    echo -e "        Create symbolic links from this directory to your home"
    echo -e "    $0 \e[36;01mremove\e[0m"
    echo -e "        Remove symbolic links from your home"
    echo -e "    $0 \e[36;01mupdate\e[0m"
    echo -e "        Pull latest commits from the server at" `git remote -v | head -n 1 | cut -f 2`
    echo -e "    $0 \e[36;01mcopy\e[0m"
    echo -e "        Copy configuration files instead of making links"
    exit 0
fi

cd "$SOURCE"
git submodule init &&
git submodule update --recursive

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 [ $? == 0 ]; then echo -e "\e[32mdone\e[0m"; else echo -e "\e[31;01mfail\e[0m"; fi
	        cat "$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/$f" ]
	    then
	        echo -e "\e[36mAlready installed\e[0m"
	    elif [ -e "$DESTINATION/$f" ]
	    then
	        echo -e "\e[35mAlready exists\e[0m"
	    else
	        $BIN "$SOURCE/$f" "$DESTINATION/$f" >&2 2> "$TMPERR"
	        if [ $? == 0 ]; then echo -e "\e[32mdone\e[0m"; else echo -e "\e[31;01mfail\e[0m"; fi
	        cat "$TMPERR"
	    fi
        fi
    fi
done