#!/bin/bash
#
# Update a role on a remote node
#
# Usage:
#
#     update_role domain role-dir
#
#   domain     : a bubble domain
#   role-dir   : the role directory
#
# Environment variables
#
#   BUBBLE_API     : which API to use. Default is local (http://127.0.0.1:PORT, where PORT is found in .bubble.env)
#   BUBBLE_USER    : account to use. Default is root
#   BUBBLE_PASS    : password for account. Default is root
#   BUBBLE_INCLUDE : path to look for JSON include files. default value is to assume we are being run from
#                      bubble repo, bubble-models repo, or bubble-client and use include files from minimal model.
#

SCRIPT="${0}"
SCRIPT_DIR=$(cd $(dirname ${SCRIPT}) && pwd)
. ${SCRIPT_DIR}/bubble_common

DOMAIN=${1:?no domain provided}
ROLE_DIR="${2:?no role dir provided}"
ROLE_TO_UPDATE="$(basename "${ROLE_DIR}")"
ROLE_JSON="${ROLE_DIR}/files/bubble_role.json"

if [[ ! -d "${ROLE_DIR}" ]] ; then
  die "Role dir does not exist or is not a directory: ${ROLE_DIR}"
fi
if [[ ! -f "${ROLE_DIR}/tasks/main.yml" ]] ; then
  die "Role dir is invalid (missing tasks/main.yml): ${ROLE_DIR}"
fi
if [[ ! -f "${ROLE_JSON}" ]] ; then
  die "Role json does not exist: ${ROLE_JSON}"
fi

role_json_name="$(cat ${ROLE_JSON} | jq -r .name)"
if [[ -z "${role_json_name}" ]] ; then
  die "Role json does not have a name field"
fi

role_name="$(echo -n ${role_json_name} | cut -d- -f1)"
if [[ "${role_name}" != "${ROLE_TO_UPDATE}" ]] ; then
  die "Role name in JSON (${role_name}) does not match dir basename: ${ROLE_DIR}"
fi

# update tgzB64 in JSON
temp_tar_b64="$(mktemp /tmp/${role_name}.XXXXXXX.tgz.b64)"
echo -n '"' > "${temp_tar_b64}"
cd ${ROLE_DIR}/.. && tar cz $(basename ${ROLE_DIR}) | base64 -w0 >> ${temp_tar_b64} && cd - > /dev/null
echo -n '"' >> "${temp_tar_b64}"

ROLE_JSON="$(cat ${ROLE_JSON} | jq --argfile tgzB64 "${temp_tar_b64}" '. + {tgzB64: $tgzB64}')"

rm -f "${temp_tar_b64}"
#echo "${temp_tar_b64}"
#exit 0

echo "{\"domain\": \"${DOMAIN}\", \"update_role\": \"${ROLE_TO_UPDATE}\", \"role\": ${ROLE_JSON} }" | \
  exec ${SCRIPT_DIR}/bscript ${SCRIPT_DIR}/../scripts/update_role.json --vars -