#!/bin/bash
set -e

if [[ "$(which jq)" == "" ]]
then
  echo "You need the package jq installed to use this script."
  exit 1
fi

if [[ "$(which curl)" == "" ]]
then
  echo "You need the package curl installed to use this script."
  exit 1
fi

if [[ "${READINESS_METHOD}" == "systeminfo" ]]
then
  if [[ "${OWSEC}" == "" ]]
  then
    echo "You must set the variable OWSEC in order to use this script. Something like"
    echo "OWSEC=security.isp.com:16001"
    exit 1
  fi

  if [[ "${OWSEC_USERNAME}" == "" ]]
  then
    echo "You must set the variable OWSEC_USERNAME in order to use this script. Something like"
    echo "OWSEC_USERNAME=tip@ucentral.com"
    exit 1
  fi

  if [[ "${OWSEC_PASSWORD}" == "" ]]
  then
    echo "You must set the variable OWSEC_PASSWORD in order to use this script. Something like"
    echo "OWSEC_PASSWORD=openwifi"
    exit 1
  fi

  # Get OAuth token from OWSEC and cache it or use cached one
  payload="{ \"userId\" : \"$OWSEC_USERNAME\" , \"password\" : \"$OWSEC_PASSWORD\" }"
  if [[ -f "/tmp/token" ]]
  then
    token=$(cat /tmp/token)
  else
    token=$(curl ${FLAGS} -X POST -H "Content-Type: application/json" -d "$payload" "https://${OWSEC}/api/v1/oauth2" | jq -r '.access_token')
  fi
  if [[ "${token}" == "" ]]
  then
    echo "Could not login. Please verify the host and username/password."
    exit 13
  fi
  echo -n $token > /tmp/token

  # Make systeminfo request to the local owprov instance
  export RESTAPI_PORT=$(grep 'openwifi.restapi.host.0.port' $OWPROV_CONFIG/owprov.properties | awk -F '=' '{print $2}' | xargs | envsubst)
  curl ${FLAGS} -k -X GET "https://localhost:$RESTAPI_PORT/api/v1/system?command=info" \
    -H "accept: application/json" \
    -H "Authorization: Bearer ${token}" > /tmp/result.json
  exit_code=$?
  jq < /tmp/result.json
  exit $exit_code
else
  export ALB_PORT=$(grep 'alb.port' $OWPROV_CONFIG/owprov.properties | awk -F '=' '{print $2}' | xargs | envsubst)
  curl localhost:$ALB_PORT
fi