#!/usr/bin/env bash

# Author: Ben West
# Maintainer: @cjo20, @scottleibrand

source $(dirname $0)/oref0-bash-common-functions.sh || (echo "ERROR: Failed to run oref0-bash-common-functions.sh. Is oref0 correctly installed?"; exit 1)

ENTRIES=${1-entries.json}
NIGHTSCOUT_HOST=${NIGHTSCOUT_HOST-localhost:1337}
OUTPUT=${2}

usage "$@" <<EOF
Usage: $self <entries.json> <http://nightscout.host:1337>
Upload entries (glucose data) to NS.
EOF

export ENTRIES API_SECRET NIGHTSCOUT_HOST

# use token authentication if the user has a token set in their API_SECRET environment variable
if [[ "${API_SECRET,,}" =~ "token=" ]]; then
  API_SECRET_HEADER=""
  REST_ENDPOINT="${NIGHTSCOUT_HOST}/api/v1/entries.json?${API_SECRET}"
else
  REST_ENDPOINT="${NIGHTSCOUT_HOST}/api/v1/entries.json"
  API_SECRET_HEADER='-H "API-SECRET: ${API_SECRET}"'
fi


# requires API_SECRET and NIGHTSCOUT_HOST to be set in calling environment (i.e. in crontab)
(
curl -m 30 -s -X POST --data-binary @${ENTRIES} \
  ${API_SECRET_HEADER}  -H "content-type: application/json" \
  ${REST_ENDPOINT}
) && ( test -n "${OUTPUT}" && touch ${OUTPUT} ; logger "Uploaded ${ENTRIES} to ${NIGHTSCOUT_HOST}" ) || logger "Unable to upload to ${NIGHTSCOUT_HOST}"