#!/bin/bash

exit_if_error() {
  local exit_code=$1
  shift
  [[ $exit_code ]] &&               # do nothing if no error code passed
    ((exit_code != 0)) && {         # do nothing if error code is 0
      printf 'ERROR: %s\n' "$@" >&2
      exit "$exit_code"
    }
}

rm -rf _build
build-docs --target esp32 --language en || exit_if_error $? "Documentation build fail."

# Modifes target field of html files
ELEMENT="<script type='text/javascript'>
window.onload =(function() {
    var myAnchor = document.getElementById('target-select');
    var mySpan = document.createElement('input');
    mySpan.style.float = 'left';
    mySpan.setAttribute('type', 'text');
    mySpan.setAttribute('maxLength', '10');
    mySpan.value = 'all targets';
    mySpan.setAttribute('disabled', true);
    myAnchor.parentNode.replaceChild(mySpan, myAnchor);
})();
</script>"

FILES=$(find . -path "*/_build/en/esp32/html/*.html")

for FILE in ${FILES}
    do
        echo ${ELEMENT} >> "${FILE}"
    done

exit_if_error $? "Documentation build fail."

echo "Documentation build ok."