#!/bin/bash

DEBUG_PRINT=0

declare GIT_OPERATE_INFO=""

function dbg() {
	if [ 0 != ${DEBUG_PRINT} ]; then
		echo "$1"
	fi
}

declare str_use=""
# filter means get useful information
function string_filter() {
	# #1 origin str, #2 filter str, #3 split char, #4 which section
	local str_origin=$1
	local str_filter=$2
	local str_split=$3

	if [[ "$str_origin" =~ "$str_filter" ]]; then
		str_origin=${str_origin#*${str_filter}} # filter
		IFS=${str_split} read -ra DATA <<< "$str_origin"
		str_use=${DATA[$4]}

		if [ -z ${str_use} ]; then
			str_use="null"
		fi
	else
		str_use="null"
	fi
}

function get_versions() {
	echo "Get version info"
	declare -a SRC_REV
	declare -a BIN_REV
	# read manifest, get each blx information
	if [ -f $MANIFEST ] && [ -L $MANIFEST ]; then
		while read -r line || [[ -n $line ]]; do
			string_filter "${line}" "dest-branch=" '"' 1
			GIT_INFO[0]=${str_use}
			string_filter "${line}" "path=" '"' 1
			GIT_INFO[1]=${str_use}
			string_filter "${line}" "revision=" '"' 1
			GIT_INFO[2]=${str_use}
			string_filter "${line}" "name=" '"' 1
			GIT_INFO[3]=${str_use}
			string_filter "${line}" "remote=" '"' 1
			GIT_INFO[4]=${str_use}
			# if this line doesn't contain any info, skip it
			if [ "${GIT_INFO[2]}" == "null" ]; then
				continue
			fi
			#echo "${GIT_INFO[0]} ${GIT_INFO[1]} ${GIT_INFO[2]} ${GIT_INFO[3]} ${GIT_INFO[4]}"
			#echo ${BLX_NAME[@]}
			#echo ${BLX_SRC_FOLDER[@]}
			for loop in ${!BLX_NAME[@]}; do
				if [ ! -d ${BLX_BIN_FOLDER[loop]} ]; then
					if [[ ${BLX_BIN_FOLDER[loop]:0:4} == "bl31" || ${BLX_BIN_FOLDER[loop]:0:4} == "bl32" ]]; then
						echo "${BLX_BIN_FOLDER[loop]}"
						BLX_BIN_FOLDER[loop]="${BLX_BIN_FOLDER[loop]:5}"
						BLX_SRC_FOLDER[loop]="${BLX_SRC_FOLDER[loop]:5}"
						if [ ! -d ${BLX_BIN_FOLDER[loop]} ]; then
							echo "${BLX_BIN_FOLDER[loop]} need modify try to remove 1.0"
							BLX_BIN_FOLDER[loop]="${BLX_BIN_FOLDER[loop]/"_1.0"}"
							BLX_SRC_FOLDER[loop]="${BLX_SRC_FOLDER[loop]/"_1.0"}"
						fi
						if [ ! -d ${BLX_BIN_FOLDER[loop]} ]; then
							echo "${BLX_BIN_FOLDER[loop]} need modify try to remove2.4"
							BLX_BIN_FOLDER[loop]="${BLX_BIN_FOLDER[loop]/"_2.4"}"
							BLX_SRC_FOLDER[loop]="${BLX_SRC_FOLDER[loop]/"_2.4"}"
						fi
						echo "${BLX_BIN_FOLDER[loop]}"
					fi
				fi
				if [[ "${GIT_INFO[1]}" =~ "${BLX_SRC_FOLDER[$loop]}" && "${GIT_INFO[3]}" == "${BLX_SRC_GIT[$loop]}" ]]; then
					SRC_REV[$loop]=${GIT_INFO[2]}
					#CUR_BIN_BRANCH[$loop]=${GIT_INFO[0]}
					echo -n "name:${BLX_NAME[$loop]}, path:${GIT_INFO[1]}, ${BLX_SRC_FOLDER[$loop]}, "
					if [[ "${GIT_INFO[0]}" == "null" || "${SRC_REV[$loop]}" == "${GIT_INFO[0]}" ]]; then
						# if only specify branch name, not version, use latest binaries under bin/ folders
						# use bin.git revision, in case src code have local commits
						if [ -d ${BLX_BIN_FOLDER[loop]} ]; then
							git_operate ${BLX_BIN_FOLDER[loop]} log --pretty=oneline -1
							git_msg=${GIT_OPERATE_INFO}
						else
							git_msg=""
						fi
						IFS=' ' read -ra DATA <<< "$git_msg"
						SRC_REV[$loop]=${DATA[2]}
						echo -n "revL:${SRC_REV[$loop]} "
					else
						SRC_REV[$loop]=${GIT_INFO[2]}
						echo -n "rev:${SRC_REV[$loop]} "
					fi
					echo "@ ${GIT_INFO[0]}"
				fi
				if [[ "${GIT_INFO[1]}" =~ "${BLX_BIN_FOLDER[$loop]}" && "${GIT_INFO[3]}" == "${BLX_BIN_GIT[$loop]}" ]]; then
					BIN_REV[$loop]=${GIT_INFO[2]}
					#CUR_BIN_BRANCH[$loop]=${GIT_INFO[0]}
					echo -n "name:${BLX_NAME[$loop]}, path:${GIT_INFO[1]}, ${BLX_BIN_FOLDER[$loop]}, "
					if [[ "${GIT_INFO[0]}" == "null" || "${BIN_REV[$loop]}" == "${GIT_INFO[0]}" ]]; then
						# if only specify branch name, not version, use latest binaries under bin/ folders
						git_operate ${BLX_BIN_FOLDER[loop]} log --pretty=oneline -1
					else
						# else get bin->src version
						git_operate ${BLX_BIN_FOLDER[loop]} log ${BIN_REV[$loop]} --pretty=oneline -1
					fi
					git_msg=${GIT_OPERATE_INFO}
					IFS=' ' read -ra DATA <<< "$git_msg"
					BIN_REV[$loop]=${DATA[2]}
					echo -n "revL:${BIN_REV[$loop]} "
					echo "@ ${GIT_INFO[0]}"
				fi
			done
		done < "$MANIFEST"
		# SRC_REV="" means this is a no-src repo, use bin.git
		if [ "" == "${SRC_REV[0]}" ]; then
			dbg "src_rev NULL"
			for loop in ${!BIN_REV[@]}; do
				echo "Manifest: Use bin.git version. ${BLX_BIN_FOLDER[$loop]} - ${BIN_REV[$loop]}"
				CUR_REV[$loop]=${BIN_REV[$loop]}
			done
		else
			dbg "src_rev not NULL"
			for loop in ${!SRC_REV[@]}; do
				dbg "Manifest: src.git version. ${BLX_SRC_FOLDER[$loop]} - ${SRC_REV[$loop]}"
				CUR_REV[$loop]=${SRC_REV[$loop]}
			done
		fi

		# BIN_REV="" means this is a no-bin repo, use src.git
		if [ "" == "${BIN_REV[0]}" ]; then
			for loop in ${!SRC_REV[@]}; do
				echo "Manifest: Src code only. build with --update-${BLX_NAME[$loop]}"
				#CUR_REV[$loop]=${SRC_REV[$loop]}
				#update_bin_path $loop "source"
				BIN_PATH[$loop]="source"
				if [ BLX_NAME[$loop] == ${BLX_NAME_GLB[0]} ]; then
					CONFIG_DDR_FW=1
					export CONFIG_DDR_FW
				fi
			done
		fi
	else
		for loop in ${!BLX_NAME[@]}; do
			if [ -d ${BLX_BIN_FOLDER[$loop]} ]; then
				if [ "1" != "${CONFIG_WITHOUT_BIN_GIT}" ]; then
					# loop bin folder. (this will overwrite src version if both exist)
					git_operate ${BLX_BIN_FOLDER[loop]} log --pretty=oneline -1
					git_msg=${GIT_OPERATE_INFO}
					IFS=' ' read -ra DATA <<< "$git_msg"
					CUR_REV[$loop]=${DATA[2]}
					echo -n "revL:${CUR_REV[$loop]} "
				fi
				echo "@ ${BLX_BIN_FOLDER[$loop]}"
			elif [ -d ${BLX_SRC_FOLDER[$loop]} ]; then
				# merge into android/buildroot, can not get manifest.xml, get version by folder
				# loop src folder
				echo "No-Manifest: Src code only. build with --update-${BLX_NAME[$loop]}"
				#update_bin_path $loop "source"
				BIN_PATH[$loop]="source"
				if [ BLX_NAME[$loop] == ${BLX_NAME_GLB[0]} ]; then
					CONFIG_DDR_FW=1
					export CONFIG_DDR_FW
				fi
			fi
		done
	fi
}

function git_operate() {
	# $1: path, $2: other parameters
	GIT_OPERATE_INFO=`git --git-dir $1/.git --work-tree=$1 ${@:2}`
	dbg "${GIT_OPERATE_INFO}"
}

function git_operate2() {
	# use -C. for pull use. don't know why [git_operate pull] doesn't work, server git update?
	# $1: path, $2: other parameters
	GIT_OPERATE_INFO="`git -C \"$1\" ${@:2}`"
	#echo "${GIT_OPERATE_INFO}"
}

function get_blx_bin() {
	# $1: current blx index
	index=$1

	# check for bl40, while only get bl40 from external path
	if [ "${BLX_NAME[$index]}" == "bl40" ]; then
		echo "skip to get bl40 from xml git"
		return 0
	fi

	# special case for SC2
	if [ "$ADVANCED_BOOTLOADER" == "1" ]; then
		if [ "${BLX_NAME[$index]}" == "bl2" ]; then
			BLX_BIN_SUB_FOLDER="${BLX_BIN_SUB_CHIP}/${DDRFW_TYPE}"
		else
			BLX_BIN_SUB_FOLDER="${BLX_BIN_SUB_CHIP}"
		fi
	else
		BLX_BIN_SUB_FOLDER=""
	fi

	# if uboot code without git for binary directory
	if [ "1" == "${CONFIG_WITHOUT_BIN_GIT}" ]; then
		cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_BIN_SUB_FOLDER}/${BLX_BIN_NAME[index]} ${FIP_BUILD_FOLDER} -f
		if [ "y" == "${CONFIG_FIP_IMG_SUPPORT}" ]; then
			cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_IMG_NAME[index]} ${FIP_BUILD_FOLDER} 2>/dev/null
		fi
	else
		git_operate ${BLX_BIN_FOLDER[index]} log --pretty=oneline

		git_msg=${GIT_OPERATE_INFO}
		BLX_READY[${index}]="false"
		mkdir -p ${FIP_BUILD_FOLDER}

		# get version log line by line, compare with target version
		line_num=0
		while read line;
		do
			IFS=' ' read -ra DATA <<< "$line"
			# v1-fix support short-id
			dbg "${CUR_REV[$index]:0:7} - ${DATA[2]:0:7}"
			if [ "${CUR_REV[$index]:0:7}" == "${DATA[2]:0:7}" ]; then
				BLX_READY[${index}]="true"
				dbg "blxbin:${DATA[0]} blxsrc:  ${DATA[2]}"
				dbg "blxbin:${DATA[0]} blxsrc-s:${DATA[2]:0:7}"
				# reset to history version
				#git --git-dir ${BLX_BIN_FOLDER[index]}/.git --work-tree=${BLX_BIN_FOLDER[index]} reset ${DATA[0]} --hard
				git_operate2 ${BLX_BIN_FOLDER[index]} reset ${DATA[0]} --hard
				# copy binary file
				if [ "bl32" == "${BLX_NAME[$index]}" ]; then
					# bl32 is optional
					if [ "y" == "${CONFIG_NEED_BL32}" ]; then
						cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_BIN_SUB_FOLDER}/${BLX_BIN_NAME[index]} ${FIP_BUILD_FOLDER} -f
						if [ "y" == "${CONFIG_FIP_IMG_SUPPORT}" ]; then
							cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_IMG_NAME[index]} ${FIP_BUILD_FOLDER} 2>/dev/null
						fi
					fi
				else
					if [ "${CONFIG_CAS}" == "irdeto" ]; then
						if [ "${BLX_BIN_NAME_IRDETO[index]}" != "NULL" ]; then
							cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_BIN_NAME_IRDETO[index]} \
								${FIP_BUILD_FOLDER}/${BLX_BIN_NAME[index]} -f || \
									BLX_READY[${index}]="false"
						fi
						if [ "y" == "${CONFIG_FIP_IMG_SUPPORT}" ] && \
						   [ "${BLX_IMG_NAME_IRDETO[index]}" != "NULL" ]; then
							cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_IMG_NAME_IRDETO[index]} \
								${FIP_BUILD_FOLDER}/${BLX_IMG_NAME[index]} || \
									BLX_READY[${index}]="false"
						fi
					elif [ "${CONFIG_CAS}" == "vmx" ]; then
						if [ "${BLX_BIN_NAME_VMX[index]}" != "NULL" ]; then
							cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_BIN_NAME_VMX[index]} \
								${FIP_BUILD_FOLDER}/${BLX_BIN_NAME[index]} -f || \
									BLX_READY[${index}]="false"
						fi
						if [ "y" == "${CONFIG_FIP_IMG_SUPPORT}" ]; then
							if [ "${BLX_IMG_NAME_VMX[index]}" != "NULL" ]; then
								cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_IMG_NAME_VMX[index]} \
									${FIP_BUILD_FOLDER}/${BLX_IMG_NAME[index]} || \
										BLX_READY[${index}]="false"
							fi
						fi
					else
						cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_BIN_SUB_FOLDER}/${BLX_BIN_NAME[index]} ${FIP_BUILD_FOLDER} -f
						if [ "y" == "${CONFIG_FIP_IMG_SUPPORT}" ]; then
							cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/${BLX_IMG_NAME[index]} ${FIP_BUILD_FOLDER} 2>/dev/null
						fi
					fi
					if [ -e ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/bl2.v3.bin ]; then
						cp ${BLX_BIN_FOLDER[index]}/${CUR_SOC}/bl2.v3.bin ${FIP_BUILD_FOLDER} -f
					fi
				fi
				# undo reset
				if [ 0 -ne ${line_num} ]; then
					# this is not latest version, can do reset. latest version doesn't have 'git reflog'
					#git --git-dir ${BLX_BIN_FOLDER[index]}/.git --work-tree=${BLX_BIN_FOLDER[index]} reset 'HEAD@{1}' --hard
					git_operate2 ${BLX_BIN_FOLDER[index]} reset 'HEAD@{1}' --hard
				fi
				break
			fi
			line_num=$((line_num+1))
		done <<< "${git_msg}"
		if [ "true" == ${BLX_READY[${index}]} ]; then
			echo "Get ${BLX_NAME[$index]} from ${BLX_BIN_FOLDER[$index]}... done"
		else
			echo -n "Get ${BLX_NAME[$index]} from ${BLX_BIN_FOLDER[$index]}... failed"
			if [ "true" == ${BLX_NEEDFUL[$index]} ]; then
				echo "... abort"
				exit -1
			else
				echo ""
			fi
		fi
	fi

	return 0;
}

function prepare_tools() {
	echo "*****Compile tools*****"

	mkdir -p ${FIP_BUILD_FOLDER}

	if [ "${CONFIG_DDR_PARSE}" == "1" ]; then
		if [ -d ${FIP_DDR_PARSE} ]; then
			cd ${FIP_DDR_PARSE}
			make clean; make
			cd ${MAIN_FOLDER}

			mv -f ${FIP_DDR_PARSE}/parse ${FIP_BUILD_FOLDER}
		fi

		if [ ! -x ${FIP_BUILD_FOLDER}/parse ]; then
			echo "Error: no ddr_parse... abort"
			exit -1
		fi
	fi

}