#!/bin/bash

SERVICE_SVN_PATH=~/service_svn
SERVICE_CONFIG_PATH=~/service_config
SERVICE_RUN_PATH=~/service_run

PARAMS_LENGTH=$#
if [ $PARAMS_LENGTH -lt 1 ]; then
	echo "at least need svn path param"
	echo "the order should be like ./auto_distribution.sh svn_path uat|test|dev|production"
	exit -1
fi

SVN_PATH_REG="^(svn://)"
SVN_PATH=$1
if [ -z $SVN_PATH ]; then
	echo "needs svn path"
	exit -1
fi

if [[ ! $SVN_PATH =~ $SVN_PATH_REG ]]; then
	echo "svn path should be like svn://svn_path"
	exit -1
fi

ENV=$2
if [ -z $ENV ]; then
	ENV="dev"
fi

SERVICE_NAME=${SVN_PATH##*/}
PROJECT_SVN_PATH=$SERVICE_SVN_PATH/$SERVICE_NAME
if [ ! -e $PROJECT_SVN_PATH ]; then
	echo "no such directory named $PROJECT_SVN_PATH"
	exit -1
fi
PROJECT_CONFIG_PATH=$SERVICE_CONFIG_PATH/$SERVICE_NAME/$ENV
if [ ! -e $PROJECT_CONFIG_PATH ]; then
	echo "no such directory named $PROJECT_CONFIG_PATH"
	exit -1
fi
PROJECT_RUN_PATH=$SERVICE_RUN_PATH/$SERVICE_NAME
if [ ! -e $PROJECT_RUN_PATH ]; then
	echo "no such directory named $PROJECT_RUN_PATH"
	exit -1
fi

{
	echo "start download $SERVICE_NAME from $SVN_PATH to $PROJECT_SVN_PATH..."
	svn co $SVN_PATH $PROJECT_SVN_PATH
	echo "download $SERVICE_NAME complete"
} || {
	echo "download $SERVICE_NAME from $SVN_PATH failed"
	exit -1
}

PROJECT_SVN_CONFIG_PATH=$PROJECT_SVN_PATH/src/main/resources
if [ ! -e $PROJECT_SVN_CONFIG_PATH ]; then
	echo "no such directory named $PROJECT_SVN_CONFIG_PATH"
	exit -1
fi

function cp_config_file(){
	ORIGIN_CONFIG_FILE=$1
	SVN_CONFIG_DIR=$2
	if [ ! -e $ORIGIN_CONFIG_FILE -o -d $ORIGIN_CONFIG_FILE ]; then
		echo "no such file named $ORIGIN_CONFIG_FILE"
		echo "or $ORIGIN_CONFIG_FILE should be a file"
		return -1
	fi
	if [ ! -e $SVN_CONFIG_DIR -o ! -d $SVN_CONFIG_DIR ]; then
		echo "no such directory named $SVN_CONFIG_FILE"
		echo "or $SVN_CONFIG_FILE should be a directory"
		return -1
	fi
	for config_file in $SVN_CONFIG_DIR/*
	do
		if [ -d $config_file ]; then
			cp_config_file $ORIGIN_CONFIG_FILE $config_file
		else
			if [ ${ORIGIN_CONFIG_FILE##*/} == ${config_file##*/} ]; then
				echo "`cat $ORIGIN_CONFIG_FILE` to $config_file"
				echo "`cat $ORIGIN_CONFIG_FILE`" > $config_file
			fi
		fi
	done
	return 0
}

function loop_config_file(){
	ORIGIN_CONFIG_DIR=$1
	if [ ! -e $ORIGIN_CONFIG_DIR -o ! -d $ORIGIN_CONFIG_DIR ]; then
		echo "no such directory named $ORIGIN_CONFIG_DIR"
		echo "or $ORIGIN_CONFIG_DIR should be a directory"
		return -1
	fi
	for file in $ORIGIN_CONFIG_DIR/*
	do
		if [ -d $file ]; then
			loop_config_file $file
		else
			cp_config_file $file $PROJECT_SVN_CONFIG_PATH
		fi
	done
	return 0
}

loop_config_file $PROJECT_CONFIG_PATH
if [[ $? != 0 ]]; then
	echo "update config file error"
	exit -1
fi

{
	echo "start compile $SERVICE_NAME using maven..."
	cd $PROJECT_SVN_PATH
	mvn install -Dmaven.test.skip=true
	echo "compile $SERVICE_NAME complete"
} || {
	echo "compile $SERVICE_NAME error"
	exit -1
}

SVN_TARGET_PATH=$PROJECT_SVN_PATH/target
if [ ! -e $SVN_TARGET_PATH ]; then
	echo "no such directory named $SVN_TARGET_PATH"
	exit -1
fi

JAR_FILE_REG="(.jar)$"
JAR_RUN_FILE=""
for jar_file in $SVN_TARGET_PATH/*
do
	if [ ! -d $jar_file ]; then
		if [[ $jar_file =~ $JAR_FILE_REG ]]; then
			JAR_RUN_FILE=$jar_file
			echo "jar file is $JAR_RUN_FILE"
		fi
	fi
done

if [[ ! $JAR_RUN_FILE =~ $JAR_FILE_REG ]]; then
	echo "jar file is not exist, compilation failed"
	exit -1
else
	echo "cp $JAR_RUN_FILE to $PROJECT_RUN_PATH"
	cp $JAR_RUN_FILE $PROJECT_RUN_PATH
fi

FINAL_RUN_JAR=$PROJECT_RUN_PATH/${JAR_RUN_FILE##*/}
echo "final run jar file is $FINAL_RUN_JAR"
if [ ! -e $FINAL_RUN_JAR ]; then
	echo "no such file named $FINAL_RUN_JAR"
	exit -1
fi

AUTO_START=""
read -p "auto start service $SERVICE_NAME?(yes/no):" AUTO_START

case $AUTO_START in
	yes)
		(
			SERVICE_PID=`jps -l | grep $SERVICE_NAME | awk '{printf $1}'`
			PID_REG="^\d+$"
			if [[ $SERVICE_PID =~ $PID_REG ]]; then
				echo "$SERVICE_NAME pid is $SERVICE_PID"
				echo "stop $SERVICE_NAME..."
				kill 9 $SERVICE_PID
				echo "$SERVICE_NAME stoped"
			fi
		) || {
			echo "$SERVICE_NAME not run or stop failed"
			echo "auto start failed"
			exit 0
		}

		echo "starting service $SERVICE_NAME..."
		cd $PROJECT_RUN_PATH
		nohup java -Xms128m -Xmx128m -jar $FINAL_RUN_JAR > /dev/null &
		echo "start service $SERVICE_NAME complete"
		echo "please check out your log"
		exit 0
	;;
	no)
		exit 0
	;;
	*)
		echo "input wrong word, the word should be yes/no"
		exit 0
	;;
esac