#!/usr/bin/env bash

###############################################################################
#
# Copyright (C) 2009-2013 Nintendo.  All rights reserved.
#
# These coded instructions, statements, and computer programs contain
# proprietary information of Nintendo of America Inc. and/or Nintendo
# Company Ltd., and are protected by Federal copyright law.  They may
# not be disclosed to third parties or copied or duplicated in any form,
# in whole or in part, without the prior written consent of Nintendo.
#
###############################################################################

# NOTE: this script sets two variables
#       that are to be visible by outside cripts:
# CAFERUN_HOSTBRIDGE_VERSION
# CAFERUN_FW_VERSION

source getbridgetype

###############################################################################
# compute_flat_version
###############################################################################

compute_flat_version()
{
    IFS="."
    local v=( $1 )
    echo $((${v[0]} * 1000000 + ${v[1]} * 10000 + ${v[2]} * 1000 + ${v[3]}))
}

check_host_bridge_version()
{
	if [ "$BRIDGE_TYPE" == "Mion" ]
	then
		local min_fw_ver="0.0.14.74"
		local min_sw_ver="3.2.6.1"
	else    
		local min_sw_ver="2.9.1.5"
		local min_fw_ver="2.8.0.13"  # firmware version installed by above software installer
	fi

	if [ ! -n "$SDIO_BRIDGE_TOOLS" ]
	then
		if [ ! -n "$MION_BRIDGE_TOOLS" ]
		then
			echo "caferun failed: Please install at least HostBridgeSetup_$min_sw_ver.exe and restart cafe.bat"
			exit 2
		fi	
	fi

	if [ "$BRIDGE_TYPE" == "Mion" ]
	then
		# FSEmul -ver is safe to call here since it's guaranteed that Host Bridge is connected (checked by cafestop in caferun)
		local fw_ver=`"$MION_BRIDGE_TOOLS/FSEmul" -ver -ip $BRIDGE_CURRENT_IP_ADDRESS | grep Firmware | tr -d '\r\n' | cut -d' ' -f4`
		local sw_ver=`"$MION_BRIDGE_TOOLS/FSEmul" -ver -ip $BRIDGE_CURRENT_IP_ADDRESS | grep Software | tr -d '\r\n' | cut -d' ' -f4`
	else    
		# FSEmul -ver is safe to call here since it's guaranteed that Host Bridge is connected (checked by cafestop in caferun)
		local fw_ver=`"$SDIO_BRIDGE_TOOLS/FSEmul" -ver | grep Firmware | tr -d '\r\n' | cut -d' ' -f4`
		local sw_ver=`"$SDIO_BRIDGE_TOOLS/FSEmul" -ver | grep Software | tr -d '\r\n' | cut -d' ' -f4`
	fi

	if [ -z "$fw_ver" -o -z "$sw_ver" ]
	then
		echo "caferun failed: Cannot check Host Bridge version. Please cafestop and try again"
		exit 2		
	fi

    # keep them so other scripts can check
    CAFERUN_HOSTBRIDGE_VERSION=$sw_ver
    CAFERUN_FW_VERSION=$fw_ver

	local fw_ver_flat=$(compute_flat_version $fw_ver)
	local sw_ver_flat=$(compute_flat_version $sw_ver)
	local min_sw_ver_flat=$(compute_flat_version $min_sw_ver)
	local min_fw_ver_flat=$(compute_flat_version $min_fw_ver)

	if [ $sw_ver_flat -lt $min_sw_ver_flat -o $fw_ver_flat -lt $min_fw_ver_flat ]
	then
		echo "caferun failed: Please install at least HostBridgeSetup_$min_sw_ver.exe and restart cafe.bat"
		echo "                Current software version is $sw_ver (need $min_sw_ver)"
		echo "                Current firmware version is $fw_ver (need $min_fw_ver)"
		exit 3
	fi
}

check_host_bridge_version