#!/bin/sh

set -e

bootstrap_install() {
    install -dv "$destdir"
    install -dv "$bindir"
    install -dv "$libdir"
    install -dv "$docdir"
    install -d "$prefix/bin/"
    install -d "$prefix/share/applications/"
    for eta in ./eve-transl${qtver}-??.tar.gz ;do
	install -m 0644 "$eta" "$libdir"
    done
    install -m 0644 "./evesetup.shlib" "$libdir"
    install -m 0644 "./evelauncher-${elver}.tar.gz" "$libdir"
    install -m 0644 "./evelauncher.kwinrule" "$docdir"
    install -m 0644 "./evelauncher.lua" "$docdir"
    sed -i s,./eve-transl,$libdir/eve-transl, ./evelauncher.sh
    sed -i s,SETUPDIR=\"\",SETUPDIR=\"$destdir\", ./evelauncher.sh
    for cmd in backup launcher.sh regedit restore wine winecfg winetricks ;do
	cmd=eve$cmd
	if [ -f "./$cmd" ] ;then
	    sed -i s,./evesetup.shlib,$libdir/evesetup.shlib, ./$cmd
	    install "./$cmd" "$bindir/"
	else
	    if [ "$cmd" = "everestore" ] ;then
		ln -s evebackup "$bindir/$cmd"
	    else
		ln -s evewine "$bindir/$cmd"
	    fi
	fi
	[ "$bindir" != "$prefix/bin" ] && ln -s "$bindir/$cmd" "$prefix/bin/$cmd"
	if [ ! "$cmd" = "evewine" ] ;then
	    oexec=$(grep Exec= ./${cmd%.*}.desktop)
	    sed -i s,$oexec,Exec=$prefix/bin/$cmd, ./${cmd%.*}.desktop
	    install -m 0644 "./${cmd%.*}.desktop" "$prefix/share/applications/"
	fi
    done
    for icons in $(find . -type f -name '*.png') ;do
	install -D -m 0644 "$icons" "$prefix/share/${icons#*/}"
    done
    if [ -x $(which gtk-update-icon-cache) ] ;then
	if [ -f "${prefix}/share/icons/hicolor/icon-theme.cache" ] ;then
	    gtk-update-icon-cache -t -f "${prefix}/share/icons/hicolor" 2>/dev/null
	    chmod 0644 "${prefix}/share/icons/hicolor/icon-theme.cache"
	fi
    fi
}

bootstrap_remove() {
    for icons in $(find . -type f -name '*.png') ;do
	rm -f "$prefix/share/${icons#*/}"
    done
    for cmd in backup launcher.sh regedit restore wine winecfg winetricks ;do
	cmd=eve$cmd
	rm -fv "$prefix/bin/$cmd"
	if [ ! "$cmd" = "evewine" ] ;then
	    rm -f "$prefix/share/applications/${cmd%.*}.desktop"
	fi
    done
    rm -rfv "$destdir"
}

build_lib() {
    if [ ! -r "./evelauncher-$elver.tar.gz" ] ;then
	if [ -x "$(which curl 2>/dev/null)" ] ;then
	    echo "Curl version $(curl -V | head -n1 | cut -d' ' -f2) found."
	else
	    echo "Curl not found. Curl are needed for downloading evelauncher binaries."
	    echo " Please install curl with your Package Manager."
	    printf "\nLeaving.\n\n"
	    exit 0
	fi
	printf "\nDownload evelauncher-$elver.tar.gz...\n\n"
	curl -L -O https://binaries.eveonline.com/evelauncher-$elver.tar.gz
    fi
    rcsum="$(sha256sum ./evelauncher-$elver.tar.gz| cut -d' ' -f1)"
    if [ "$rcsum" != "$elcsum" ] ;then
	printf "\n\nError: Checksum from evelauncher-$elver.tar.gz doesn't match!"
	printf "\nLeaving.\n\n"
	exit 0
    fi
    printf "\nExtract evelauncher-$elver.tar.gz..."
    tar xf evelauncher-$elver.tar.gz
    echo "done."
    printf "\nClean up evelauncher directory..."
    cd evelauncher/
    rm -f ./*.a ./*.la ./*.prl ./libxcb*
    chmod 0755 ./*
    chmod 0644 ./*.qm ./*.conf ./errorpage/*
    echo "done."
    printf "\nReplace identical files with symbolic links..."
    ln -sf evelauncher.sh LogLite.sh
    ln -sf libicudata.so.55.1 libicudata.so
    ln -sf libicudata.so.55.1 libicudata.so.55
    ln -sf libicui18n.so.55.1 libicui18n.so
    ln -sf libicui18n.so.55.1 libicui18n.so.55
    ln -sf libicuuc.so.55.1 libicuuc.so
    ln -sf libicuuc.so.55.1 libicuuc.so.55
    ln -sf libgpr.so.6.0.0 libgpr.so
    ln -sf libgpr.so.6.0.0 libgpr.so.6
    ln -sf libgrpc++.so.1.12.0 libgrpc++.so
    ln -sf libgrpc++.so.1.12.0 libgrpc++.so.1
    ln -sf libgrpc++.so.1.12.0 libgrpc++.so.6
    ln -sf libgrpc.so.6.0.0 libgrpc.so
    ln -sf libgrpc.so.6.0.0 libgrpc.so.6
    ln -sf libpng12.so.0.54.0 libpng12.so.0
    ln -sf libprotobuf.so.16.0.0 libprotobuf.so
    ln -sf libprotobuf.so.16.0.0 libprotobuf.so.16
    echo "done."
    printf "\nRemove unneeded symbols from files..."
    find ./ -maxdepth 1 -type f -exec strip -s {} 2>/dev/null \;
    echo "done."
    printf "\nRepack evelauncher-$elver.tar.gz..."
    touch ./*
    cd ../
    rm evelauncher-$elver.tar.gz
    tar czf evelauncher-$elver.tar.gz evelauncher/
    rm -rf evelauncher/
    echo "done."
}

check_req() {
    if [ -x "$(which 7z 2>/dev/null)" ] ;then
	echo "$(7z | head -n2 | cut -d: -f1 | tr -d [:cntrl:])found."
    else
	echo "p7zip not found. Please install p7zip with your Package Manager."
	printf "\nLeaving.\n\n"
	exit 0
    fi
    if [ -x "$(which wine 2>/dev/null)" ] ;then
	echo "Wine version $(wine --version) found."
    else
	echo "Wine not found. Please install Wine with your Package Manager."
	echo "WineHQ or Developer Version are recommended."
	printf "\nLeaving.\n\n"
	exit 0
    fi
}

prefix="/usr"
destdir="/opt/evesetup"
bindir="$destdir/bin"
libdir="$destdir/lib"
docdir="$destdir/doc"
qtver="5.11"
elver=""
elcsum=""
rcsum=""
key=""

if [ $(id -u) -ne 0 ] ;then
    printf "\nEVE Online Launcher Setup need root permissions."
    printf "\nLeaving.\n\n"
    exit 0
fi

if [ -d "$destdir" ] ;then
    printf "\n"
    read -p 'Remove EVE Online Launcher Setup? (Y/n) ' key
    if [ "x$(echo $key | tr [:upper:] [:lower:])" != "xn" ] ;then
	printf "\nRemoving...\n\n"
	bootstrap_remove
    fi
else
    printf "\n"
    read -p 'Install EVE Online Launcher Setup? (Y/n) ' key
    if [ "x$(echo $key | tr [:upper:] [:lower:])" != "xn" ] ;then
	printf "\nInstalling...\n\n"
	check_req
	build_lib
	printf "\n"
	bootstrap_install
	printf "\nYou can now start EVE Online Launcher and his Tools:\n\n"
	for cmd in *.desktop ;do
	    oexec=$(grep Exec= $cmd | cut -d= -f2); oexec=${oexec##*/}
	    [ ! "$oexec" = "evelauncher.sh" ] && \
	    printf " $oexec\t- $(grep Comment= $cmd | cut -d= -f2)\n"
	done
	printf "\n evelauncher.sh\t- EVE Online Launcher\n"
    fi
fi
printf "\nDone.\n\n"