#!/bin/bash

set -e
role=${CONTAINER_ROLE:-app}
env=${APP_ENV:-production}
php=${PHP_DIR:-/var/www/html}
composer=${COMPOSER_HOME:-/var/cache/composer}

SITE_USER=${SITE_USER:-www-data}
MEMCACHED_START=${MEMCACHED_START:-FALSE}

# To run a local queue, running jobs from the queue "hostname"
LOCAL_QUEUE=${LOCAL_QUEUE:-FALSE}
# Optional additional queues to run for
#LOCAL_QUEUES=

function mp() {
	set +e
	mountpoint -q $1
	local mp=$?
	set -e
	echo ${mp}
}

function wait_for_db() {
	# Wait for DB to be active
	if [ -n "${DB_HOST}" -a -n "${DB_PORT}" ]; then
		while ! wait-for-it -h ${DB_HOST} -p ${DB_PORT} -t 5 -q; do
			echo "? Waiting for database at ${DB_HOST}:${DB_PORT}"
			sleep 1;
		done
		echo "- DB is active on ${DB_HOST}:${DB_PORT}"
	fi
}

# Run any container setup
[ -x /sbin/init-container ] && /sbin/init-container

# General Setup
if [ -x /usr/bin/memcached -a "${MEMCACHED_START}" == "TRUE" ]; then
	echo "* Starting MEMCACHED..."
	/usr/bin/memcached -d -P /run/memcached/memcached.pid -u memcached
fi

# Laravel Specific
if [ -r artisan -a -e ${php}/.env ]; then
	echo "* Laravel Setup..."
	mp=$(mp ${php})
	echo "  - [${php}] is a mount point [${mp}]"

	# Only adjust perms if this is an external mountpoint
	if [ -n "${FORCE_PERMS}" -o ${mp} -eq 0 ]; then
		if [ -n "${FORCE_PERMS}" -o "${env}" != "local" -a -z "${SKIP_PERM}" ]; then
			echo "  - Setting Permissions..."
			# Make sure our permissions are appropraite
			find ${php} -type f -exec chmod 640 {} \;
			find ${php} -type d -exec chmod 750 {} \;
			find ${php}/public -type f -exec chmod 644 {} \;
			find ${php}/public -type d -exec chmod 755 {} \;
			chmod o+rx ${php}
			chmod a+rx ${php}/artisan
			chown -R ${SITE_USER}:www-data ${php}

			#if [ "${SITE_USER}" -ne "www-data" ]; then
			#	echo " - Extended Permissions for ${SITE_USER}..."
			#	chown -R www-data:www-data ${php}/storage ${php}/bootstrap ${php}/composer.*
			#	[ -e ${php}/vendor ] && chown -R www-data:www-data ${php}/vendor
			#fi
		fi
	fi

	# See if we need to refresh our dependancies (only need if web dir is externally mounted)
	if [[ -r composer.json && ( -e .composer.refresh || ! -d vendor ) ]]; then
		echo "  - Composer installing dependancies..."

		rm -f ${php}/bootstrap/cache/*.php
		if [ "${env}" != "local" ]; then
			NODEV="--no-dev"
		fi

		mp=$(mp ${composer})
		echo "  - [${composer}] is a mount point [${mp}]"

		if [ -n "${FORCE_PERMS}" -o ${mp} -eq 0 ]; then
			[ -n "${FORCE_PERMS}" -o "${env}" != "local" -a -z "${SKIP_PERM}" ] && chown -R ${SITE_USER}:www-data ${composer}
			[ ! -d ${php}/vendor ] && mkdir -m 750 ${php}/vendor && chown ${SITE_USER}:www-data ${php}/vendor
			[ -n "${FORCE_PERMS}" -o "${env}" != "local" -a -z "${SKIP_PERM}" ] && chmod g+w ${php}
		fi

		su ${SITE_USER} -s /bin/sh -c "composer install --optimize-autoloader ${NODEV}" && ( test -e .composer.refresh && rm -f .composer.refresh )
		[ -n "${FORCE_PERMS}" -o "${env}" != "local" -a -z "${SKIP_PERM}" ] && [ ${mp} -eq 0 ] && chmod g-w ${php}
	fi

	# We only check for non mount points, in case this container has the app inside
	mp=$(mp ${php})
	if [ ${mp} -eq 1 ]; then
		echo "  - Caching configuration..."
		su ${SITE_USER} -s /bin/sh -c "(php artisan optimize)"
	fi

	if [ "${role}" = "app" ]; then
		if [ "${env}" != "local" ]; then
			if [ -z "${IGNORE_MIGRATION}" ]; then
				if [ -r .migrate ]; then
					echo "  - Running migration..."
					# If DB_HOST not set, source the env file
					[ -z "${DB_HOST}" -a -r .env ] && . .env

					wait_for_db

					su ${SITE_USER} -s /bin/sh -c "php artisan migrate" && rm -f .migrate
				fi
			else
				[ -r .migrate ] && echo "! NOTE: Migration ignored due to IGNORE_MIGRATION"
			fi

			# If passport is installed
			if [ -d ${php}/vendor/laravel/passport ]; then
				echo "  - Generating OAUTH keys ..."
				set +e
				su ${SITE_USER} -s /bin/sh -c "php artisan passport:keys"
				set -e
			fi
		fi

		if [ "${LOCAL_QUEUE}" = "TRUE" ]; then
			echo "  - Starting local queue for [$(hostname)${LOCAL_QUEUES:+,${LOCAL_QUEUES}}] with job timeout of [${WORK_TIMEOUT:-90}], trying [${WORK_TRIES:-1}] times..."
			su ${SITE_USER} -s /bin/sh -c "
				(while true; do php ${PHP_OPTIONS} artisan queue:work --verbose --tries=${WORK_TRIES:-1} --timeout=${WORK_TIMEOUT:-90} --queue=$(hostname)${LOCAL_QUEUES:+,${LOCAL_QUEUES}} ${WORK_MEMORY:+--memory=${WORK_MEMORY}} ${WORK_ONCE:+--once}; done) &
			"
		fi

		set +e
		[ -x init-php.sh ] && su ${SITE_USER} -s /bin/sh "init-php.sh" &

		exec /usr/local/bin/docker-php-entrypoint "$@"

	elif [ "$role" = "queue" ]; then
		QUEUE_CMD=work

		if [ "${env}" == "local" ]; then
			QUEUE_CMD=listen
		fi

		echo "  - Running the queue..."
		# We'll delay starting in case the app is caching
		sleep 15

		wait_for_db

		su ${SITE_USER} -s /bin/sh -c "
		while true; do
			php ${PHP_OPTIONS} artisan queue:${QUEUE_CMD} --verbose --tries=${WORK_TRIES:-1} --timeout=${WORK_TIMEOUT:-90} ${WORK_QUEUES:+--queue=${WORK_QUEUES}} ${WORK_MEMORY:+--memory=${WORK_MEMORY}} ${WORK_ONCE:+--once}
		done
		"

	elif [ "$role" = "scheduler" ]; then
		echo "  - Running the scheduler..."
		# We'll delay starting in case the app is caching
		sleep 15

		su ${SITE_USER} -s /bin/sh -c "
		while true; do
			php ${PHP_OPTIONS} artisan schedule:work --verbose --no-interaction
		done
		"
	fi

else
	echo "? NO container role \"${role}\", AND/OR no laravel install, just starting php-fpm"
	exec /usr/local/bin/docker-php-entrypoint "$@"
fi