#!/bin/bash

APP_NAME=application.jar

function check {

	local PID=0

	if [ -e tpid ] ;then

		PID=$(cat tpid)

		# while read TMPID; do PID=$TMPID ;done < tpid

	fi

	# echo "PID:$PID"

	if ps -p $PID > /dev/null ;then

		echo $PID

    else

    	echo 0

	fi

}

function isRun {

	local PID=$(check)

	if [ $PID -ne 0 ]; then

		echo "application is running..."

	else

		echo "application is not running..."

	fi

}

function start {

	if [ ! -e $APP_NAME ]; then

		echo "$APP_NAME is not found!"

		return 0

	fi

	local PID=$(check)

	if [ $PID -ne 0 ]; then

		echo "$PID 	$APP_NAME was running..."

		return 0

	fi

	local argumet=""

	if [ -e application.properties ] ;then

		argumet="$argumet --spring.config.location=application.properties"

	fi

	nohup java -jar $APP_NAME $argumet > log.out 2>&1 &

	echo $! > tpid

	PID=$(cat tpid)

	echo $PID Start Success!

}

function stop {

	local PID=$(check)

	if [ $PID -ne 0 ]; then

		echo -n "Stop Process..."

		kill -15 $PID

		num=0

		while [[ num -le 5 ]]; do

			# echo $num

			echo -n "."

			sleep 1

			PID=$(check)

			if [ $PID -eq 0 ]; then

				echo "Success!"

				return 0

			fi

			num=$[ $num + 1 ]

		done

		PID=$(check)

		if [ $PID -ne 0 ]; then

			kill -9 $PID

			echo ""

			echo "Kill Process!"

		else

			echo "Success!"

		fi

		return 0

	fi

	return 1

}

function restart {

	stop

	start

}

function deploy {

	fd=$(date +"%Y%m%d%H%M%S")

	fileCount=`ls ./target/ | grep .jar$ | wc -l`

	if [ $fileCount -eq 1 ]; then

		fileName=`ls ./target/ | grep .jar$`

		newName="$fileName.$fd"

		mv ./target/$fileName ./target/$newName

		if [ -e ./$APP_NAME ]; then

			rm -rf ./$APP_NAME

		fi

		ln -s ./target/$newName ./$APP_NAME

		echo "deploy success..."

		restart

	else

		echo "Can not be deploy, jar file $fileCount"

		return 1

	fi

}

case $1 in

	"start" ) start;;

	"stop" ) stop;;

	"check" ) isRun;;

	"restart" ) restart;;

	"deploy" ) deploy;;

	* ) echo "$0 start"

		echo "$0 stop"

		echo "$0 check"

		echo "$0 restart"

		echo "$0 deploy"

esac

exit 0