#!/bin/sh

# TODO: check if matrix-synapse package is installed (fail if not - it's not
# this type's job to install it).

name=$__object_id
os=$(cat "$__global/explorer/os")

case "$os" in
	debian)
		synapse_conf_dir='/etc/synapse'
		synapse_workers_conf_dir="$synapse_conf_dir/workers"

		# Synapse log configuration on debian - default value of config-log
		# parameter.
		WORKER_LOG_CONFIG="$synapse_conf_dir/log.yaml"

		# As of writing, debian's matrix-synapse package does not install the
		# matrix-synapse-worker@.service systemd unit.
		systemd_worker_service_override=present
		systemd_worker_service="matrix-synapse-worker@$name"
		;;
	*)
		printf "Your operating system (%s) is currently not supported by this type (%s)\n" "$os" "${__type##*/}" >&2
		printf "Please contribute an implementation for it if you can.\n" >&2
		exit 1
		;;
esac

# Type parameters.
WORKER_NAME=$__object_id
WORKER_APP=$(cat "$__object/parameter/app")
WORKER_PORT=$(cat "$__object/parameter/port")
WORKER_RESOURCES=$(cat "$__object/parameter/resource")

export WORKER_APP WORKER_NAME WORKER_PORT

if [ -f "$__object/parameter/log-config" ]; then
	WORKER_LOG_CONFIG=$(cat "$__object/parameter/log-config")
fi
export WORKER_LOG_CONFIG

WORKER_REPLICATION_HOST=$(cat "$__object/parameter/replication-host")
WORKER_REPLICATION_PORT=$(cat "$__object/parameter/replication-port")
export WORKER_REPLICATION_HOST WORKER_REPLICATION_PORT

# Generate and deploy configuration files.
mkdir -p "$__object/files"
"$__type/files/worker.yaml.sh" > "$__object/files/worker.yaml"

__directory "$synapse_workers_conf_dir" --parents
require="__directory/$synapse_workers_conf_dir" \
	__file "$synapse_workers_conf_dir/$name.yaml" \
	--source "$__object/files/worker.yaml" \
	--mode 0644

__file "/etc/systemd/systemd/matrix-synapse-worker@.service" \
	--source "$__type/files/matrix-synapse-worker@.service" \
	--mode 0644 \
	--state $systemd_worker_service_override

# Start service, enable at boot.
require="__file/$synapse_workers_conf_dir/$name.yaml \
	__file/etc/systemd/systemd/matrix-synapse-worker@.service"  \
	__service "$systemd_worker_service" --action start
require="__service/$systemd_worker_service" \
	__start_on_boot "$systemd_worker_service"