#!/usr/bin/env bash
# Common variables ######################################################################
xc_prompt='PGXC$ '
interactive=n
verbose=n
progname=$0

bin=pgxc_ctl		# Just in case.  Never touch this
logfile=none

#===========================================================
#
# Extract parsed configuration values
#
#===========================================================

# $1 is variable name of the array to print
function print_array
{
	echo -n $1 " "
	eval echo '$'{$1[@]}
}


function print_values
{
	local i
	declare -i i
	local el

	# Install Directory
	echo pgxcInstallDir $pgxcInstallDir

	# Overall
	echo pgxcOwner $pgxcOwner
	echo pgxcUser $pgxcUser
	echo tmpDir $tmpDir
	echo localTmpDir $localTmpDir
	echo configBackup $configBackup
	echo configBackupHost $configBackupHost
	echo configBackupDir $configBackupDir
	echo configBackupFile $configBackupFile

	# GTM overall
	echo gtmName $gtmName

	# GTM master
	echo gtmMasterServer $gtmMasterServer
	echo gtmMasterPort $gtmMasterPort
	echo gtmMasterDir $gtmMasterDir
	echo gtmExtraConfig $gtmExtraConfig
	echo gtmMasterSpecificExtraConfig $gtmMasterSpecificExtraConfig

	# GTM slave
	echo gtmSlave $gtmSlave
	echo gtmSlaveName $gtmSlaveName
	echo gtmSlaveServer $gtmSlaveServer
	echo gtmSlavePort $gtmSlavePort
	echo gtmSlaveDir $gtmSlaveDir
	echo gtmSlaveSpecificExtraConfig $gtmSlaveSpecificExtraConfig

	# GTM Proxy
	echo gtmProxy $gtmProxy
	print_array gtmProxyNames
	print_array gtmProxyServers
	print_array gtmProxyPorts
	print_array gtmProxyDirs
	echo gtmPxyExtraConfig $gtmPxyExtraConfig
	print_array gtmPxySpecificExtraConfig

	# Coordinators overall
	print_array coordNames
	print_array coordPorts
	print_array poolerPorts
	print_array coordPgHbaEntries

	# Coordinators master
	print_array coordMasterServers
	print_array coordMasterDirs
	print_array coordMaxWALSenders

	# Coordinators slave
	echo coordSlave $coordSlave
	echo coordSlaveSync $coordSlaveSync
	print_array coordSlaveServers
	print_array coordSlavePorts
	print_array coordSlavePoolerPorts
	print_array coordSlaveDirs
	print_array coordArchLogDirs

	# Coordinator Configuration files
	echo coordExtraConfig $coordExtraConfig
	print_array coordSpecificExtraConfig
	echo coordExtraPgHba $coordExtraPgHba
	print_array coordSpecificExtraPgHba

	# Coordinator Additional Slaves
	echo coordAdditionalSlaves $coordAdditionalSlaves
	if [ "$coordAdditionalSlaves" == "y" ]; then
		print_array coordAdditionalSlaveSet
		for ((i=0; i<${#coordAdditionalSlaveSet[@]}; i++)); do
			el=${coordAdditionalSlaveSet[$i]}
			echo -n ${el}_Sync " "
			eval echo '$'"$el"_Sync
			print_array ${el}_Servers
			print_array ${el}_Dirs
			print_array ${el}_ArchLogDirs
		done
	fi

	# Datanodes overall
	echo primaryDatanode $primaryDatanode
	print_array datanodeNames
	print_array datanodePorts
#ifdef XCP
	print_array datanodePoolerPorts
#endif
	print_array datanodePgHbaEntries
	
	# Datanodes masters
	print_array datanodeMasterServers
	print_array datanodeMasterDirs
	print_array datanodeMasterWALDirs
	print_array datanodeMaxWALSenders
	
	# Datanodes slaves
	echo datanodeSlave $datanodeSlave
	echo datanodeSlaveSync $datanodeSlaveSync
	print_array datanodeSlaveServers
	print_array datanodeSlavePorts
#ifdef XCP
	print_array datanodeSlavePoolerPorts
#endif
	print_array datanodeSlaveDirs
	print_array datanodeSlaveWALDirs
	print_array datanodeArchLogDirs

	# Datanode configuration files
	echo datanodeExtraConfig $datanodeExtraConfig
	print_array datanodeSpecificExtraConfig
	echo datanodeExtraPgHba $datanodeExtraPgHba
	print_array datanodeSpecificExtraPgHba

	# Datanodes additional slaves
	echo datanodeAdditionalSlaves $datanodeAdditionalSlaves
	if [ "$datanodeAdditionalSlaves" == "y" ]; then
		print_array datanodeAdditionalSlaveSet
		for ((i=0; i<${#datanodeAdditionalSlaveSet[@]}; i++)); do
			el=${datanodeAdditionalSlaveSet[$i]}
			echo -n ${el}_Sync " "
			eval echo '$'"$el"_Sync
			print_array ${el}_Servers
			print_array ${el}_Dirs
			print_array ${el}_ArchLogDirs
		done
	fi
	
	# WAL Archives
	echo walArchive $walArchive
	print_array walArchiveSet
	if [ "$walArchive" == "y" ]; then
		for ((i=0; i<${#walArchvieSet[@]}; i++)); do
			print_array ${el}_source
			echo -n ${el}_host
			eval echo '$'"$el"_host
			echo -n ${el}_backupdir
			eval echo '$'"$el"_backupdir
		done
	fi
}



#============================================================
#
# Common functions
#
#============================================================

# Optionally $1 will be $PGXC_CTL_HOME settings.
function set_home
{
	if [ $# > 1 ]; then
		echo "Invalid set_home function call"
		return 1
	fi
	if [ $# == 1 ]; then
		if [ -d $1 ]; then
			pgxc_ctl_home=$1
		else
			eecho "set_home: $1 is not a directory."
			return 1
		fi
	elif [ $PGXC_CTL_HOME != "" ]; then
		if [ -d $PGXC_CTL_HOME ]; then
			pgxc_ctl_home=$PGXC_CTL_HOME
		else
			eecho "set_home: env PGXC_CTL_HOME($PGXC_CTL_HOME) is not a directory."
			return 1;
		fi
	fi
	cd $pgxc_ctl_home;
}

###############################################################################
#
#   EXECUTING SECTION
#
###############################################################################

#=======================================================
# Things to be done at first
#=======================================================

# Handle options
progname=$0
moretodo=y
cmd_with_log=null
#set_home
if [ -f $pgxc_ctl_home/.pgxc_ctl_rc ]; then
	source $pgxc_ctl_home/.pgxc_ctl_rc
fi

configFile=""

while [ $moretodo == y ]; do
	if [ $# -gt 0 ]; then
		case $1 in
			-v )
				shift;
				verbose=y;
				continue;;
			--verbose )
				shift;
				verbose=y;
				continue;;
			--silent )
				verbose=n;
				continue;;
			-d ) # debug option
				shift;
				DEBUG=y;
				continue;;
			--debug )
				shift;
				DEBUG=y;
				continue;;
			-c ) # Configuraton file
				shift;
				if [ $# -le 0 ]; then
					echo ERROR: no -c option value found
					exit 1
				else
					configFile=$1
					shift
				fi;
				continue;;
			--configuration ) # Configuraion file
				shift;
				if [ $# -le 0 ]; then
					echo ERROR: no --configuration option value found
					exit 1
				else
					configFile=$1
					shift
				fi;
				continue;;
			--home ) # PGXC_CTL_HOME
				shift;
				if [ $# -le 0 ]; then
					echo ERROR: no pgxc_ctl_home specified
					exit 1
				else
					pgxc_ctl_home=$1
					cd $pgxc_ctl_home
					shift
				fi;
				continue;;
			--signature ) # Check signature
				shift;
				if [ $# -le 0 ]; then
					echo ERROR: Signature does not match
					exit 1
				fi
				if [ "$1" != "$signature" ]; then
					echo ERROR: Signature does not match
					exit 1
				fi
				shift
				continue;;
			* )
				moretodo=n
				continue;;
		esac
	else
		moretodo=n
	fi
done

echo $signature
# Read configuration file --> Should be activated only when debug option is off

if [ -f $pgxc_ctl_home/pgxc_ctl_rc ]; then
	source $pgxc_ctl_home/pgxc_ctl_rc
fi

if [ "$configFile" != "" ] && [ -f "$configFile" ]; then
	source $configFile
fi
# Log option can be overriden by command-line option

print_values