#!/bin/sh

################################################################################
#      This file is part of OpenELEC - http://www.openelec.tv
#      Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)
#
#  OpenELEC is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 2 of the License, or
#  (at your option) any later version.
#
#  OpenELEC is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with OpenELEC.  If not, see <http://www.gnu.org/licenses/>.
################################################################################

. /etc/profile

oe_setup_addon emulator.tools.retroarch

RETROARCH_CONFIG_DIR="$ADDON_HOME/config"
RETROARCH_CONFIG_FILE="$RETROARCH_CONFIG_DIR/retroarch.cfg"
RETROARCH_SAVEFILES_DIR="$ADDON_HOME/savefiles"
#RETROARCH_SYSTEM_DIR="$ADDON_HOME/system"
LIBS32BIT_ADDON_DIR="$ADDON_DIR/../emulator.tools.32bitlibs"

chmod a+x $ADDON_DIR/bin/*

if [ ! -f "$RETROARCH_CONFIG_FILE" ]; then
  mkdir -p "$RETROARCH_CONFIG_DIR"
  if [ -f "$ADDON_DIR/config/retroarch.cfg" ]; then
    cp "$ADDON_DIR/config/retroarch.cfg" "$RETROARCH_CONFIG_FILE"
  fi
fi

if [ ! -f "$RETROARCH_SAVEFILES_DIR" ]; then
  mkdir -p "$RETROARCH_SAVEFILES_DIR"
fi

#if [ ! -f "$RETROARCH_SYSTEM_DIR" ]; then
#  mkdir -p $RETROARCH_SYSTEM_DIR
#fi

## Added by JoKeRzBoX Oct-2016:
#### Handle defaults folders from addon settings: create and set in retroarch.cfg
RETROARCH_SYSTEM_DIR="/storage/emulators/retroarch/system"
RETROARCH_SCREENSHOTS_DIR="/storage/emulators/retroarch/screenshots"
TMPFILE="/tmp/.retroarchtemp$$"
if [ "$retroarch_system_folder" != "" ]; then
	RETROARCH_SYSTEM_DIR="$retroarch_system_folder"
fi
if [ "$retroarch_screenshots_folder" != "" ]; then
	RETROARCH_SYSTEM_DIR="$retroarch_screenshots_folder"
fi
if [ ! -d "$RETROARCH_SYSTEM_DIR" ]; then
	mkdir -p "$RETROARCH_SYSTEM_DIR"
fi
if [ ! -d "$RETROARCH_SCREENSHOTS_DIR" ]; then
	mkdir -p "$RETROARCH_SCREENSHOTS_DIR"
fi

sed -i "s@system_directory[ ]*=.*@system_directory = \"$RETROARCH_SYSTEM_DIR\"@" "$RETROARCH_CONFIG_FILE"
sed -i "s@screenshot_directory[ ]*=.*@screenshot_directory = \"$RETROARCH_SCREENSHOTS_DIR\"@" "$RETROARCH_CONFIG_FILE"

if [ "$retroarch_audio_out_rate" != "" ]; then
	sed -i "s@audio_out_rate[ ]*=.*@audio_out_rate = \"$retroarch_audio_out_rate\"@" "$RETROARCH_CONFIG_FILE"
fi

if [ "$retroarch_audio_driver" != "" ]; then
        sed -i "s@audio_driver[ ]*=.*@audio_driver = \"$retroarch_audio_driver\"@" "$RETROARCH_CONFIG_FILE"
fi

if [ "$retroarch_audio_device" != "" ]; then
        sed -i "s@audio_device[ ]*=.*@audio_device = \"$retroarch_audio_device\"@" "$RETROARCH_CONFIG_FILE"
fi

if [ "$retroarch_video_threaded" != "" ]; then
	sed -i "s@video_threaded[ ]*=.*@video_threaded = \"$retroarch_video_threaded\"@" "$RETROARCH_CONFIG_FILE"
fi

if [ "$retroarch_menu_driver" != "" ]; then
        sed -i "s@menu_driver[ ]*=.*@menu_driver = \"$retroarch_menu_driver\"@" "$RETROARCH_CONFIG_FILE"
fi

if [ "$retroarch_rewind_enable" != "" ]; then
	sed -i "s@rewind_enable[ ]*=.*@rewind_enable = \"$retroarch_rewind_enable\"@" "$RETROARCH_CONFIG_FILE"
fi

if [ "$retroarch_fps_show" != "" ]; then
	sed -i "s@fps_show[ ]*=.*@fps_show = \"$retroarch_fps_show\"@" "$RETROARCH_CONFIG_FILE"
fi
### END of configuration changes


# Fixes problem with symbolic links on libs provided by "32 bits libs for RetroArch" addon (if installed)
if [ -d "$LIBS32BIT_ADDON_DIR" ]; then
	PREV_DIR=`pwd`
	cd "$LIBS32BIT_ADDON_DIR/lib"
	if [ ! -h "$LIBS32BIT_ADDON_DIR/lib/libEGL.so" ]; then
		rm -f libEGL.so
		ln -s libMali.so libEGL.so
	fi
	if [ ! -h "$LIBS32BIT_ADDON_DIR/lib/libGLESv2.so" ]; then
		rm -f libGLESv2.so
		ln -s libMali.so libGLESv2.so
	fi
	cd "$PREV_DIR"
fi

# Determine if this system has required library /lib/ld-linux-armhf.so.3, and use that to define what binary to use
if [ -f "/lib/ld-linux-armhf.so.3" ]; then
	RETROARCH_EXE="$ADDON_DIR/bin/retroarch"
else
	RETROARCH_EXE="$ADDON_DIR/bin/retroarch_mod"
	# to make sure we are on bin folder when we start the modified retroarch_mod and interpreter can be executed
	chmod 755 "$ADDON_DIR/lib/ld-linux-armhf.so"
	cd "$ADDON_DIR/bin"
fi

if [ "$force_32bit_libs" == "true" ]; then
	RETROARCH_EXE="$ADDON_DIR/bin/retroarch_mod"
	LD_LIBRARY_PATH="$LIBS32BIT_ADDON_DIR/lib:$LD_LIBRARY_PATH"
        # to make sure we are on bin folder when we start the modified retroarch_mod and interpreter can be executed
	chmod 755 "$ADDON_DIR/lib/ld-linux-armhf.so"
        cd "$ADDON_DIR/bin"
else
	LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$LIBS32BIT_ADDON_DIR/lib"
fi

if [ "$launch_method" -ne 0 ]; then
	systemctl stop kodi
	if [ "$2" != "" ]; then
		$RETROARCH_EXE -c $RETROARCH_CONFIG_FILE -L $ADDON_DIR/lib/libretro/$1_libretro.so "$2"
	else
		$RETROARCH_EXE -c $RETROARCH_CONFIG_FILE --menu
	fi
	systemctl start kodi
else
	pgrep kodi.bin | xargs kill -SIGSTOP
	if [ "$2" != "" ]; then
		$RETROARCH_EXE -c $RETROARCH_CONFIG_FILE -L $ADDON_DIR/lib/libretro/$1_libretro.so "$2"
	else
		$RETROARCH_EXE -c $RETROARCH_CONFIG_FILE --menu
	fi
	pgrep kodi.bin | xargs kill -SIGCONT
fi

exit 0