#!/usr/bin/env bash

# [start-readme]
# This script wraps tests/links-and-images.js and provides an option to output results to a file.
#
# For more information, see `tests/README.md#broken-link-test`.
# [end-readme]

# check if npx is installed
command -v npx >/dev/null 2>&1 || { echo -e "npx is not installed. Run:\n\n\$ npm install -g npx" >&2; exit 1; }

while getopts "h?f:" opt; do
  case "${opt}" in
    h|\?) echo "Usage:"
          echo "    script/check-internal-links [OPTIONS]"
          echo ""
          echo "    script/check-internal-links -f [FILENAME]  Output the results of tests/links-and-images to a file."
          echo "    script/check-internal-links -h             Display this help message."
          exit 0
          ;;
    f) FILENAME="${OPTARG}"
       ;;
  esac
done
shift $((OPTIND -1))

if [ "${FILENAME}" = "" ]
then
  npx jest links-and-images
else
  echo -e "Running tests/links-and-images.js\n"

  npx jest links-and-images --no-color > ${FILENAME} 2>&1

  echo "Done! Results in ${FILENAME}."
fi