#!/usr/bin/env bash
# Make sure the current directory is the location of this script to simplify matters
cd "$(dirname $(readlink -f $0))";
################
### Settings ###
################

# The name of this project
project_name="Air Quality Mapper";

# The path to the lantern build engine git submodule
lantern_path="./lantern-build-engine";

###
# Custom Settings
###

# Put any custom settings here.
build_output_folder="./app";

database_host="db.connectedhumber.org";
database_name="aq_db";

###############################################################################

# Check out the lantern git submodule if needed
if [ ! -f "${lantern_path}/lantern.sh" ]; then git submodule update --init "${lantern_path}"; fi

source "${lantern_path}/lantern.sh";

if [[ "$#" -lt 1 ]]; then
	echo -e "${FBLE}${project_name}${RS} build script";
	echo -e "    by Starbeamrainbowlabs";
	echo -e "${LC}Powered by the lantern build engine, v${version}${RS}";
	echo -e "";
	echo -e "${CSECTION}Usage${RS}";
	echo -e "    ./build ${CTOKEN}{action}${RS} ${CTOKEN}{action}${RS} ${CTOKEN}{action}${RS} ...";
	echo -e "";
	echo -e "${CSECTION}Available actions${RS}";
	echo -e "    ${CACTION}setup${RS}            - Perform initial setup";
	echo -e "    ${CACTION}setup-dev${RS}        - Perform additional setup for development environments. Run after ${CACTION}setup${RS}.";
	echo -e "    ${CACTION}database${RS}         - Connect to the database via SSH & open MariaDB CLI connection, prompting for a password";
	echo -e "    ${CACTION}dev-server${RS}       - Start a development server";
	echo -e "    ${CACTION}dev-server-stop${RS}  - Stop the currently running development server";
	echo -e "    ${CACTION}client${RS}           - Build the client web app";
	echo -e "    ${CACTION}client-watch${RS} - Watch for changes to the client code & rebuild automatically";
	echo -e "";
	
	exit 1;
fi

###############################################################################

function task_setup {
	stage_begin "Setting up";
	
	task_begin "Checking environment";
	check_command git true;
	check_command php true;
	check_command node true;
	check_command composer true;
	check_command npm true;
	task_end $?;
	
	task_begin "Initialising submodules";
	git submodule update --init;
	task_end $?;
	
	task_begin "Installing client dependencies";
	echo "${HC}Not including developement dependencies. To complete setup for development, execute the ${CACTION}setup-dev${RS} ${HC}build task.${RS}";
	npm install --production;
	task_end $?;
	
	task_begin "Installing server dependencies";
	composer install --no-dev;
	task_end $?;
	
	stage_end $?;
}

function task_setup-dev {
	task_begin "Checking environment";
	check_command mysql true optional;
	task_end $?;
	
	task_begin "Installing client development dependencies";
	npm install;
	task_end $?;
	
	task_begin "Installing server development dependencies";
	composer install;
	task_end $?;
}

function task_database {
	task_begin "Connecting to the database";
	
	ssh -TN "${database_host}" -L 3306:localhost:3306 &
	ssh_pid=$!;
	sleep 1;
	mysql --host 127.0.0.1 --port 3306 --database "${database_name}" --user "${USER}" --password;
	
	kill $!; wait; sleep 0.5;
	task_end $?;
}

function task_dev-server {
	task_begin "Starting development server";
	php -S [::1]:40482 &
	exit_code=$?;
	echo $! >/tmp/micro-lantern-dev-server.pid;
	task_end $?; # Should be 0 unless php died for some reason
	sleep 1;
}

function task_dev-server-stop {
	task_begin "Stopping development server";
	
	kill "$(cat /tmp/micro-lantern-dev-server.pid)";
	rm /tmp/micro-lantern-dev-server.pid;
	
	task_end $?;
}


function task_client {
	task_begin "Packaging Javascript";
	node_modules/rollup/bin/rollup --sourcemap --config rollup.config.js;
	exit_code=$?;
	task_end ${exit_code};
	if [[ "${exit_code}" -ne 0 ]]; then
		exit ${exit_code};
	fi
	
	task_begin "Copying html";
	cp client_src/index.html "${build_output_folder}";
	task_end $?;
	
	task_begin "Copying css";
	# FUTURE: Package this up too?
	cp -r client_src/css/ "${build_output_folder}";
	task_end $?;
}

function task_client-watch {
	echo -e "Watching for changes.";
	while inotifywait -qr --event modify --format '%:e %f' client_src; do
		stage_begin "Rebuilding client code";
		task_client;
		stage_end $?;
	done
}

#########################################################################

tasks_run $@;