#!/bin/sh

CONFDIR="$HOME/.config/CCP"
EVECONF="$CONFDIR/EVE.conf"
SHAREDIR="$HOME/.eve"

check_elv() {
	ELBIN=$(getdate $LAUNCHER/evelauncher)
	ELARC=$(getdate $SETUPDIR/lib/evelauncher-$ELVER.tar.?z)
	if [ "$ELBIN" -lt "$ELARC" ] ;then
		if [ -d "$LAUNCHER" ] ;then
			rm -rf $LAUNCHER
			desktop_msg "Update EVE Launcher binaries"
		fi
		tar xmf $SETUPDIR/lib/evelauncher-$ELVER.tar.?z -C $EVEDIR
		mv $EVEDIR/evelauncher $LAUNCHER
		if [ -f "$HOME/.config/devilspie2/evelauncher.lua" ] ;then
			sed -i 2\ s,[0-9].*\",$ELVER\", $HOME/.config/devilspie2/evelauncher.lua
		fi
		for ELCACHE in $HOME/.cache $HOME/.local/share ;do
			if [ -d "$ELCACHE/CCP/EVE/QtWebEngine" ] ;then
				rm -rf $ELCACHE/CCP/EVE/QtWebEngine
			fi
		done
	fi
}

check_env() {
	if [ -r "$EVECONF" ] ;then SHAREDIR=$(getval SharedCacheFolder) ;fi
	if [ ! -d "$SHAREDIR" ] ;then SHAREDIR="" ;fi
	if [ "x$SHAREDIR" != "x$EVEDIR/SharedCache/" ] ;then
		desktop_msg "Please wait, prepare environment in $EVEDIR"
		mkdir -p $CONFDIR
		cat >$EVECONF <<EOF
[General]
SharedCacheFolder=$EVEDIR/SharedCache/
UseCustomWine=true
CustomWinePath=$WINEPATH/wine
EOF
		mkdir -p $EVEDIR/SharedCache
		if [ -d "$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)" ] ;then
		echo "8500" >$LAUNCHER/steam_appid.txt
	fi
}

check_wine() {
	CUSTOMWP=$(getval CustomWinePath)
	SHAREDIR=$(getval SharedCacheFolder)
	UCW=$(getval UseCustomWine)
	DXVKLIBDIR=$SETUPDIR/lib/dxvk
	DXVKFILELIST="d3d10core d3d11 d3d9 dxgi"
	WINEPREFIX=${SHAREDIR}wineenv
	WINSYSDIR=$WINEPREFIX/drive_c/windows/system32
	W32SYSDIR=${WINSYSDIR%/*}/syswow64
	if [ "$UCW" = "true" ] ;then
		WINEPATH=${CUSTOMWP%/*}
		if [ -d "${SHAREDIR}wine" ] ;then rm -rf ${SHAREDIR}wine ;fi
	else
		CUSTOMWP=${SHAREDIR}wine
		WINEPATH=${SHAREDIR}wine/bin
	fi
	if [ -x "$WINEPATH/wine64" ] ;then
		WINE=$WINEPATH/wine64
	else
		WINE=$WINEPATH/wine
	fi
	if [ -x "$WINE" ] ;then
		INSTWINE=$(tr -dc [:digit:] 2>/dev/null < $WINEPREFIX/.update-timestamp || printf 0)
		WINEINFP=$(readlink -f $CUSTOMWP)
		WINECONF=$(find ${WINEINFP%bin*}share/wine* -name 'wine.inf')
		WINEDATE=$(getdate $WINECONF)
		if [ "$WINEDATE" != "$INSTWINE" ] ;then
			desktop_msg "Prepare wine environment for EVE"
			for DXVKFILE in d3d10_1 d3d10core d3d10 d3d11 d3d9 dxgi ;do
				rm $WINSYSDIR/$DXVKFILE.dll* || true
				rm $W32SYSDIR/$DXVKFILE.dll* || true
				sed -i /\"$DXVKFILE\"=\"/d $WINEPREFIX/user.reg || true
			done
			env WINEPREFIX=$WINEPREFIX \
				WINEDEBUG=-all \
				WINEDLLOVERRIDES="mscoree,mshtml=d" \
				$WINE wineboot
			env WINEPREFIX=$WINEPREFIX \
				$WINE reg add \
				'HKCU\Software\Wine\FileOpenAssociations' \
				/v Enable /d N /f >/dev/null
		fi
		if [ -d "$DXVKLIBDIR" ] ;then
			DXVKARC=$(getdate $DXVKLIBDIR/x64/d3d10core.dll)
			INSTDX=$(getdate $WINSYSDIR/d3d10core.dll)
			if [ "$INSTDX" != "$DXVKARC" ] ;then
				for DXVKFILE in $DXVKFILELIST ;do
					cp --preserve=timestamps $DXVKLIBDIR/x64/$DXVKFILE.dll $WINSYSDIR/$DXVKFILE.dll
					if [ -d "$W32SYSDIR" ] ;then
						cp --preserve=timestamps $DXVKLIBDIR/x32/$DXVKFILE.dll $W32SYSDIR/$DXVKFILE.dll
					fi
					env WINEPREFIX=$WINEPREFIX \
						$WINE reg add \
						'HKCU\Software\Wine\DllOverrides' \
						/v $DXVKFILE /d native /f >/dev/null
				done
			fi
		fi
		if [ "$(grep -csw winemenubuilder $WINEPREFIX/system.reg)" != "0" ] ;then
			env WINEPREFIX=$WINEPREFIX \
				$WINE reg delete \
				'HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices' \
				/v winemenubuilder /f >/dev/null
		fi
	else
		desktop_msg "Info: Wine environment test skipped."
	fi
}

desktop_msg() {
	if [ -x "$(which notify-send)" ] ;then notify-send -i eve $(basename $0) "$@" ;fi
	printf "$(basename $0): $@\n"
}

getdate() {
	printf $(ls -l --time-style=+%s $1 | cut -d' ' -f6) || printf 0
}

getval() {
	if [ ! -r "$EVECONF" ] ;then
		desktop_msg "ERROR: EVE Configuration not found!"
		exit 1
	fi
	printf $(grep "$1" $EVECONF | cut -d= -f2)
}