#!/bin/bash

ADDITIONAL_KOPANO_PACKAGES=${ADDITIONAL_KOPANO_PACKAGES:-""}
AUTOCONFIGURE=${AUTOCONFIGURE:-true} # when set to false will disable all automatic configuration actions

set -eu # unset variables are errors & non-zero return values exit the whole script
[ "$DEBUG" ] && set -x

if [ "${AUTOCONFIGURE}" == true ]; then
	# copy configuration files to /tmp/kopano to prevent modification of mounted config files
	mkdir -p /tmp/kopano
	cp /etc/kopano/*.cfg /tmp/kopano

	echo "Applying cfg changes from env"
	/usr/bin/python3 /kopano/cfg-from-env.py
fi

meetversion=$(dpkg-query --showformat='${Version}' --show kopano-calendar-webapp)
echo "Using Kopano Calendar: $meetversion"

# allow helper commands given by "docker-compose run"
if [ $# -gt 0 ]; then
	exec "$@"
	exit
fi

if [ "${AUTOCONFIGURE}" == true ]; then
	cp /usr/share/doc/kopano-calendar-webapp/config.json.in /tmp/calendar.json
	CONFIG_JSON="/tmp/calendar.json"
	# TODO move into extra file to make it easier to reuse
	echo "Updating $CONFIG_JSON"
	for setting in $(compgen -A variable KCCONF_CALENDAR); do
		setting2=${setting#KCCONF_CALENDAR_}
		# dots in setting2 need to be escaped to not be handled as separate entities in the json file
		case ${!setting} in
			true|TRUE|false|FALSE|[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9])
				jq ".\"${setting2//_/\".\"}\" = ${!setting}" $CONFIG_JSON | sponge $CONFIG_JSON
				;;
			*)
				jq ".\"${setting2//_/\".\"}\" = \"${!setting}\"" $CONFIG_JSON | sponge $CONFIG_JSON
				;;
			esac
	done

	# Populate app grid
	# TODO move into extra file to make it easier to reuse
	# Note: if all of below variables are set to "no" kpop will fall back to its default behaviour and show all known apps.

	# enable Kopano Konnect in the app grid
	if [ "${GRID_KONNECT:-yes}" = "yes" ]; then
		jq '.apps.enabled += ["kopano-konnect"]' $CONFIG_JSON | sponge $CONFIG_JSON
	fi

	# enable Kopano Meet in the app grid
	if [ "${GRID_MEET:-yes}" = "yes" ]; then
		jq '.apps.enabled += ["kopano-meet"]' $CONFIG_JSON | sponge $CONFIG_JSON
	fi

	# enable Kopano WebApp in the app grid
	if [ "${GRID_WEBAPP:-yes}" = "yes" ]; then
		jq '.apps.enabled += ["kopano-webapp"]' $CONFIG_JSON | sponge $CONFIG_JSON
	fi

	# enable Kopano WebApp in the app grid
	if [ "${GRID_CALENDAR:-yes}" = "yes" ]; then
		jq '.apps.enabled += ["kopano-calendar"]' $CONFIG_JSON | sponge $CONFIG_JSON
	fi

	sed s/\ *=\ */=/g /tmp/kopano/kwebd.cfg > /tmp/kweb-env
	# always disable tls
	export tls=no
	# shellcheck disable=SC2046
	export $(grep -v '^#' /tmp/kweb-env | xargs -d '\n')

	# services need to be aware of the machine-id
	dockerize \
		-wait file:///etc/machine-id \
		-wait file:///var/lib/dbus/machine-id
fi

# cleaning up env variables
unset "${!KCCONF_@}"
exec kopano-kwebd serve