#!/usr/bin/with-contenv bashio
# Starts Bamboo with the address and token from the add-on's configuration.
set -e

url="$(bashio::config 'hammerhead_url')"
token="$(bashio::config 'token')"

if [ -z "${url}" ] || [ -z "${token}" ]; then
  bashio::log.fatal "Set the Hammerhead address and the site token in this add-on's Configuration tab, then start it again."
  bashio::exit.nok
fi

# Settings go in through the environment so the token does not show up in the process list.
export BAMBOO_HAMMERHEAD="${url%/}"
export BAMBOO_TOKEN="${token}"

# The SSH server is opt-in. The keys listed in the configuration are the only ones that may sign in.
if bashio::config.true 'ssh'; then
  keys_file=/data/authorized_keys
  jq -r '.ssh_keys[]? | select(. != null and . != "")' /data/options.json > "${keys_file}"
  if [ ! -s "${keys_file}" ]; then
    bashio::log.fatal "SSH is turned on but no public keys are listed. Add at least one in the SSH public keys setting, then start the add-on again."
    bashio::exit.nok
  fi
  export BAMBOO_SSH=1
  export BAMBOO_SSH_KEYS="${keys_file}"
  export SHELL=/bin/bash
fi

# Service discovery is opt-in: Bamboo reports what it finds as suggested targets in Hammerhead.
if bashio::config.true 'discover'; then
  export BAMBOO_DISCOVER=1
fi
subnets="$(bashio::config 'discover_subnets')"
if [ -n "${subnets}" ]; then
  export BAMBOO_DISCOVER_SUBNETS="${subnets}"
fi
ports="$(bashio::config 'discover_ports')"
if [ -n "${ports}" ]; then
  export BAMBOO_DISCOVER_PORTS="${ports}"
fi
rate="$(bashio::config 'discover_rate')"
if [ -n "${rate}" ]; then
  export BAMBOO_DISCOVER_RATE="${rate}"
fi

bashio::log.info "Starting $(bamboo -version), connecting to ${BAMBOO_HAMMERHEAD}"
# /data survives restarts and updates; it holds this site's WireGuard key.
exec bamboo -data /data