#!/bin/sh

set -e

launcher_msg() {
    if [ -x "$(which notify-send 2>/dev/null)" ] ;then
	notify-send -i eve 'EVE Online Launcher' "$@"
    fi
    echo "$(basename $0): $@"
}

check_install() {
    if [ -d "$CONFDIR" ] ;then
	if [ -r "$CONFDIR/EVE.conf" ] ;then
	    SHAREDIR=$(grep SharedCacheFolder $CONFDIR/EVE.conf | cut -d= -f2)
	fi
    fi
    SHAREDIR=${SHAREDIR:-$HOME/.eve/}
    [ ! -d "$SHAREDIR" ] && SHAREDIR=""
    if [ "x$SHAREDIR" != "x$EVEDIR/SharedCache/" ] ;then
	launcher_msg "Please wait, preparing environment in $EVEDIR"
	mkdir -p $CONFDIR
	echo "[General]" >$CONFDIR/EVE.conf
	echo "SharedCacheFolder=$EVEDIR/SharedCache/" >>$CONFDIR/EVE.conf
	echo "UseCustomWine=true" >>$CONFDIR/EVE.conf
	echo "CustomWinePath=$WINEPATH/wine" >>$CONFDIR/EVE.conf
	mkdir -p $EVEDIR/SharedCache
	tar xf $SETUPDIR/lib/launcher-$ELVER.tar.xz -C $EVEDIR
	if [ -d "$SHAREDIR/ResFiles/" ] ;then
	    mv $SHAREDIR/ResFiles/ $EVEDIR/SharedCache/
	    mv $SHAREDIR/*.txt $EVEDIR/SharedCache/
	    rm -rf $SHAREDIR
	fi
    fi
}

check_steam() {
    if [ ! -r "$LAUNCHER/steam_appid.txt" -a -x "$(which steam 2>/dev/null)" ] ;then
	echo "8500" >$LAUNCHER/steam_appid.txt
    fi
}

check_wine() {
    EVECONF=$CONFDIR/EVE.conf
    UCW=$(grep UseCustomWine $EVECONF | cut -d= -f2)
    if [ "x$UCW" = "xtrue" ] ;then
	CUSTOMWP=$(grep CustomWinePath $EVECONF | cut -d= -f2)
	WINEPATH="${CUSTOMWP%/*}"
	SHAREDIR=$(grep SharedCacheFolder $EVECONF | cut -d= -f2)
	WINEPREFIX=${SHAREDIR}wineenv
    else
	launcher_msg "ERROR: \"Use custom Wine\" not set!"
	exit 1
    fi
    if [ -x "$WINEPATH/wine" ] ;then
	INSTWINE=$(cat $WINEPREFIX/.update-timestamp 2>/dev/null) || true
	for CMD in wine wine64 wineserver ;do
	    WINECMD=$(readlink -f "$WINEPATH/$CMD")
	    WINEDATE=$(ls -l --time-style=+%s "$WINECMD" 2>/dev/null | cut -d' ' -f6)
	    test "x$WINEDATE" = "x$INSTWINE" && break
	done
	if [ "x$WINEDATE" != "x$INSTWINE" ] ;then
	    launcher_msg "Preparing/Updating wine in $WINEPREFIX"
	    env WINEARCH=win32 \
		WINEPREFIX=$WINEPREFIX \
		WINEDEBUG=-all \
		WINEDLLOVERRIDES="mscoree,mshtml,winemenubuilder.exe=d" \
		"$WINEPATH/wine" wineboot
	    env WINEPREFIX=$WINEPREFIX "$WINEPATH/wine" reg delete \
		'HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices' \
		/v winemenubuilder /f >/dev/null || true
	    env WINEPREFIX=$WINEPREFIX "$WINEPATH/wine" reg add \
		'HKEY_CURRENT_USER\Software\Wine\DllOverrides' \
		/v winemenubuilder.exe /f >/dev/null
	    env WINEPREFIX=$WINEPREFIX WINE="$WINEPATH/wine" \
		$(which winetricks) -q winxp >/dev/null
	fi
    else
	launcher_msg "ERROR: \"$CUSTOMWP\" in \"Custom Wine path\" not found!"
	exit 1
    fi
}

ELVER="1385477"
QTVER="5.11"
SHAREDIR=""
CONFDIR="$HOME/.config/CCP"
EVEDIR="$HOME/.local/lib/EVE"
LAUNCHER="$EVEDIR/Launcher"
SETUPDIR="/opt/evesetup"
WINEPATH="/usr/bin"

check_install
check_wine
check_steam

cd $EVEDIR
exec $LAUNCHER/evelauncher.sh