ctpx

#! /bin/bash

LOG_FILE=/tmp/ctpx.out
MVN_OUT=/tmp/mvn.out

web_dir=src/main/webapp

## Internal Functions
is_ubuntu() {
	# check is running ubuntu

	# TODO check version
	lsb_release -i | grep Ubuntu &>/dev/null
	return $?
}

try_install_maven() {
	# tries to install maven
	is_ubuntu
	if [ $? -eq 0 ]
	then
		echo -n "Trying to install maven...	"
		sudo apt-get -y install maven2 > ${LOG_FILE}
		if [ $? -eq 0 ]
		then
			echo "Done!"
			return 0
		else
			echo "Failed, see the ${LOG_FILE}."
			return 1
		fi
	else
		echo "You're not running Ubuntu. Please install Maven2 manually."
		return 1
	fi
}
check_maven() {
	# checks if maven is installed
	which mvn &> /dev/null
	if [ $? -ne 0 ]
	then
		echo "MAVEN2	[NOT INSTALLED]"
		try_install_maven
		if [ $? -ne 0 ]
		then
			echo "Aborting..."
			exit 1
		fi
	fi
}

try_install_gae() {
	# tries to install GAE Java SDK
	is_ubuntu
	if [ $? -eq 0 ]
	then
		echo "Trying to install the gae-sdk for Java..."
		sudo add-apt-repository ppa:daniloqueiroz/dev >${LOG_FILE} &&\
			sudo apt-get update > ${LOG_FILE} &&\
			sudo apt-get -y install java-gae-sdk > ${LOG_FILE}
		if [ $? -eq 0 ]
		then
			echo "Done!"
			return 0
		else
			echo "Failed, see the ${LOG_FILE}."
			return 1
		fi
	else
		echo "You're not running Ubuntu. Please install GAE SDK for Java manually."
		return 1
	fi
}
check_gae_sdk() {
	# checks if GAE Java SDK is installed
	which appcfg.sh &>/dev/null
	if [ $? -ne 0 ]
	then
		echo "GAE SDK	[NOT INSTALLED]"
		try_install_gae
		if [ $? -ne 0 ]
		then
			echo "Aborting..."
			exit 1
		fi
	fi
}

add_pom() {
	# add pom snippet files to pom.xml.tmp
	cfg_file=.extensions/$1
	cfg_type="$(echo $1 | cut -d"." -f2) section"
	

	h=$(grep -n "${cfg_type}" pom.xml | cut -d ":" -f1 )
	head -n$h pom.xml >> pom.xml.tmp
	cat ${cfg_file} >> pom.xml.tmp
	t=$(wc -l pom.xml | cut -d" " -f1); 
	tail -n$(($t - $h)) pom.xml >> pom.xml.tmp

	mv pom.xml.tmp pom.xml
}

backup_pom() {
	# backups the pom.xml file to pom.xml.prev
	cp pom.xml pom.xml.prev
}

add_jdoconfig() {
    mkdir src/main/resources/META-INF
    cp .extensions/jdoconfig.xml src/main/resources/META-INF
}
## Setup commands
enable_extensions() {
	# enable cotopaxi extensions

	backup_pom
	
	# TODO offers a menu to choice which extensions to install
	## by now all extensions are enable and needs gae
	check_gae_sdk
	add_pom jdo.plugins
	add_pom ctpx.dependencies
	add_pom gae.dependencies
	add_pom tests.dependencies
	add_jdoconfig
}

setup_project() {
	# Setups the project (create pom.xml)
	echo "Seems to be the first time that you are running Cotopaxi..."
	
	read -p "Project name: " project_name
	read -p "Project base package: " package_name

	cp pom.xml.sample pom.xml
	sed -i "s/#PACKAGE_NAME#/${package_name}/g" pom.xml
	sed -i "s/#PROJECT_NAME#/${project_name}/g" pom.xml

	read -p "Do you want to enable cotopaxi extensions?[y/n] " resp
	if [ ${resp} == y ]
	then 
		enable_extensions
	fi

	# remove empty files
	find . -name 'empty' | xargs rm 
}

reset() {
	# Removes the pom.xml and pom.xml.prev files
	read -p "It will remove the pom.xml and pom.xml.prev files and the target folder. Press ENTER to continue or ^C to cancel."
	rm -rf pom.xml pom.xml.prev target
}
## Commands
clean_maven() {
	# Execute maven clean
	echo -ne "Cleaning Project...\t"
	rm -r ${web_dir}/WEB-INF/{classes,lib,appengine-generated} &> ${MVN_OUT}
	mvn clean &> ${MVN_OUT}
	if [ $? -eq 0 ]
	then
		echo "OK"
	else
		echo -e "Clean has failed.\nPress ENTER to see maven output"
		read enter
		less ${MVN_OUT}
		return 1
	fi

}
build_maven() {
	# Execute maven package
	echo -ne "Building Project...\t"
	mvn package war:inplace &> ${MVN_OUT}
	if [ $? -eq 0 ]
	then
		echo "OK"
	else
		echo -e "Build has failed.\nPress ENTER to see maven output"
		read enter
		less ${MVN_OUT}
		return 1
	fi
}
dev_server() {
	# Runs the development server

	# TODO defines different strategies for different servers"
	check_gae_sdk
	echo -ne "Running Project...\t"
#	target_dir="target/$(head -n10 pom.xml | grep -P '(artifactId|version)>' | awk -F'<|>' '{ print $3 }' | xargs | sed 's/ /-/g')"
	target_dir=${web_dir}
	if [ -d ${target_dir}/WEB-INF/classes ]
	then
		echo "OK"
		echo -e "\nServer output will be redirect to ${LOG_FILE}.\nTry 'tail -f ${LOG_FILE} to see the server output in realtime...\n\nPress ^C to exit server."
		dev_appserver.sh ${target_dir} &>> ${LOG_FILE}
	else
		echo -e "Target dir not found.\nPlease run the 'build' command first!"
		return 1
	fi

}
clear_log() {
	# Remove log files
	rm -f ${LOG_FILE} ${MVN_OUT}
}
# Basic Commands
show_help() {
	echo "CTPX commands:"
	echo -e "\tbuild\t\tRuns maven;"
	echo -e "\tclean\t\tClears projet;"
	echo -e "\trun-server\tRuns the project at development server;"
	echo -e "\tall\t\tClear, build and run-server commands;"
	echo -e "\tclean-log\tRemove log files;"
	echo -e "\thelp\t\tShow this help;"
	echo -e "\texit\t\tExit interactive mode;"
}

run_cmd() {
	cmd=$1
	shift
	params=$*
	if [ $# -eq 0 ] || [ ${params:0:1} != "-" ]
	then
		unset params
	fi
	case ${cmd} in
		clean )
			clean_maven ${params}
			;;
		all )
			clean_maven ${params}
			build_maven ${params}
			dev_server
			;;
		build )
			build_maven ${params}
			;;
		run-server|run )
			dev_server
			;;
		extensions )
			enable_extensions ${params}
			;;
		reset )
			reset ${params}
			;;
		clean-log ) 
			clear_log
			;;
		exit|quit )
			exit 0
			;;
		help )
			show_help ${params}
			;;
		* )
			echo "Command not found!" 
			show_help ${params}
			;;
	esac
	# check if theres other commands
	if [ $# -ne 0 ] && [ -z $params ]
	then
		run_cmd $*
	fi
}

## Script Begin
# just a previous help check
if [ $# -ge 1 ] && [ $1 == 'help' ]
then
	show_help
	exit 0
fi

# setup log file
echo -e "\n---- $(date)\n"	>> ${LOG_FILE}
# check maven - essential for cotopaxi script
check_maven
# check pom.xml file
if [ ! -f pom.xml ]
then
	setup_project
fi

# run commands
if [ $# -ne 0 ]
then
	run_cmd $*
else
	echo "Cotopaxi interactive shell. Try 'help'"
	while [ 1 ]
	do
		read -p "ctpx: " cmd
		run_cmd $cmd
	done
fi