#!/bin/sh /etc/rc.common

START=93
USE_PROCD=1

get_config() {
	config_get_bool enabled "$1" enabled 1
	config_get data_dir "$1" data_dir ""
	config_get port "$1" port "8198"
	config_get system_role "$1" system_role "istoreos"
}

mkdir_p() {
	[ -d "$1" ] || mkdir -p "$1"
}

start_service() {
	config_load kaiplus
	config_foreach get_config kaiplus

	if [ "$enabled" != 1 ]; then
		return 1
	fi
	if [ -z "$data_dir" ]; then
		logger -t kaiplus "data_dir is empty; please set option data_dir in /etc/config/kaiplus"
		return 1
	fi

	mkdir_p "$data_dir"
	mkdir_p "$data_dir/workspace"
	mkdir_p "$data_dir/cache"
	mkdir_p "$data_dir/config"
	mkdir_p "$data_dir/state"

	helper_token_file="$data_dir/state/ssh-helper.token"
	if [ ! -s "$helper_token_file" ]; then
		umask 077
		if [ -r /proc/sys/kernel/random/uuid ]; then
			cat /proc/sys/kernel/random/uuid > "$helper_token_file"
		else
			{
				date +%s
				cat /proc/uptime 2>/dev/null
				dd if=/dev/urandom bs=24 count=1 2>/dev/null || true
			} | sha256sum | awk '{print $1}' > "$helper_token_file"
		fi
	fi
	helper_token="$(cat "$helper_token_file")"

	logger -t kaiplus "Starting KaiPlus service"
	procd_open_instance kaiplus_bin
	procd_set_param env \
		KAIPLUS_HOME="$data_dir" \
		KAIPLUS_SYSTEM_ROLE="$system_role" \
		KAIPLUS_WORKSPACE_HELPER_DIR="/usr/share/kaiplus/helpers" \
		KAIPLUS_WORKSPACE_TOOL_INSTALL_DIR="/tmp/kaiplus_workspace_tool" \
		KAIPLUS_SSH_HELPER_TOKEN="$helper_token" \
		REASONIX_CREDENTIALS_STORE="file"
	procd_set_param command /usr/sbin/kaiplus_bin kaiplus-web
	procd_append_param command --addr "0.0.0.0:$port"
	procd_append_param command --data-dir "$data_dir"
	procd_append_param command --static-dir /usr/share/kaiplus/www
	procd_append_param command --defaults-dir /usr/share/kaiplus/defaults
	procd_append_param command --system-role "$system_role"
	procd_set_param stdout 1
	procd_set_param stderr 1
	procd_set_param respawn
	procd_close_instance
	logger -t kaiplus "KaiPlus service started"
}

service_triggers() {
	procd_add_reload_trigger "kaiplus"
}