#!/bin/bash

read stop

_jq() {
  echo ${json} | base64 --decode | jq -r ${1}
}

_liveresult() {
  livetimes=$(curl --silent https://admin.libertybus.je/api/v1/soj/stop_updates/${stop})
  for json in $(echo "${livetimes}" | jq -r '.[] | @base64'); do
    result="$result$(_jq '.destination') "
    result="$result $(_jq '.eta') "
    result="$result $(_jq '.service_number')\n"
  done
  echo -e $result
  # is this the correct exit code?
  exit 0
}

_stopsreturn() {
  stops=$(curl --silent https://admin.libertybus.je/api/v1/stops/"${stop}" | jq -r '.')
  stopslen=$(echo ${stops} | jq '. | length')
  if [ $stopslen = 1 ]; then
    stop=$(echo ${stops} | jq '.[].stop_id')
    _liveresult
  else
    echo "requests returning multiple bus stops not yet supported"
    # is this the correct exit code?
    exit 0
  fi
}

if [ "$stop" == "-h" ] || [ "$stop" == "--help" ]; then
  echo "Usage: '!livetimes <stop>' where <stop> is either the 4 digit stop code, the full unique or partial bus stop name. If a bus stop name is used and there are multiple matches then a list of matching stops will be returned with their codes."
elif [[ "$stop" =~ ^-?[0-9]+$ ]] && [ $(echo ${#stop} == 4) ]; then
  _liveresult
else
  _stopsreturn
fi