Calculate JAWS runs passing per compute site

#!/bin/bash

set -euo pipefail

if [ "$#" -gt 2 ] || [ "${1-}" = "--help" ]; then
  >&2 echo "USAGE: ${0} [days] [jq_select_terms]"
  >&2 echo "       days: evaluate over last N days of history (default: 30)"
  >&2 echo "       jq_select_terms: a boolean expression that is passed to the jq"
  >&2 echo "                        select() function (default: true)" 
  >&2 echo ""
  >&2 echo "EXAMPLE: ${0} 7 '.tag//\"\" | startswith(\"DAP-\")'"
  exit 1
fi

days="${1:-30}"
jq_select_terms="${2:-true}"

jaws_image='doejgi/jaws-client:latest'
if which jaws &> /dev/null; then
  jaws=jaws
elif which apptainer &> /dev/null; then
  jaws="apptainer --silent run docker://${jaws_image} jaws"
elif which shifter &> /dev/null; then
  jaws="shifter --image ${jaws_image} jaws"
elif which docker &> /dev/null; then
  jaws="docker run -it --rm ${jaws_image} jaws"
else
  >&2 echo "ERROR: Cannot find 'jaws' or a container execution program."
  exit 2
fi

get_num_result() {
  # get_run_result site jq_select_terms json_file result_value
  jq ".[] | select((.result == \"${4}\")
                   and (.compute_site_id == \"${1}\")
                   and (${2})
                  ) | .id" "${3}" \
  | wc -l
}

get_site_stats() {
  # get_site_stats site jq_select_terms json_file
  
  local pass fail total percent_pass
  fail="$(get_num_result "${1}" "${2}" "${3}" "failed")"
  pass="$(get_num_result "${1}" "${2}" "${3}" "succeeded")"
  total=$((pass + fail))
  if [ "${total}" != "0" ]; then
    percent_pass="$(echo "scale=1; ${pass}*100/(${total})" | bc)"
  else 
    percent_pass='null'
  fi
  jq --null-input \
     --arg site "${1}" \
     --argjson total "${total}" \
     --argjson percent_pass "${percent_pass}" \
     '{"compute_site_id": $site,
       "total": $total,
       "percent_pass": $percent_pass}'
}

runs_file="$(mktemp)"
trap 'rm -f -- "$runs_file"' EXIT
$jaws history --days "${days}" --all > "${runs_file}"

mapfile -t compute_sites < <( jq -r '.[] | .compute_site_id' "${runs_file}" | sort -u )

(
  for site in "${compute_sites[@]}"; do
     get_site_stats "${site}" "${jq_select_terms}" "${runs_file}"
  done
) \
| jq -s .