<!DOCTYPE html>
<html th:lang="${#locale.language}" th:lang-direction="#{language.direction}" th:language="${#locale.toString()}" xmlns:th="http://www.thymeleaf.org">
  <head>
  <th:block th:insert="~{fragments/common :: head(title=#{pdfOrganiser.title}, header=#{pdfOrganiser.header})}"></th:block>
  </head>

  <body>
    <div id="page-container">
      <div id="content-wrap">
        <th:block th:insert="~{fragments/navbar.html :: navbar}"></th:block>
        <br /><br />
        <div class="container">
          <div class="row justify-content-center">
            <div class="col-md-6">
              <h2 th:text="#{pdfOrganiser.header}"></h2>

              <form th:action="@{api/v1/general/rearrange-pages}" method="post" enctype="multipart/form-data">
                <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
                <div class="mb-3">
                  <label for="customMode">Mode</label>
                  <select class="form-control" id="customMode" name="customMode">
                      <option value="">Custom Page Order</option>
                      <option value="REVERSE_ORDER">Reverse Order</option>
                      <option value="DUPLEX_SORT">Duplex Sort</option>
                      <option value="BOOKLET_SORT">Booklet Sort</option>
                      <option value="SIDE_STITCH_BOOKLET_SORT">Side Stitch Booklet Sort</option>
                      <option value="ODD_EVEN_SPLIT">Odd-Even Split</option>
                      <option value="REMOVE_FIRST">Remove First</option>
                      <option value="REMOVE_LAST">Remove Last</option>
                      <option value="REMOVE_FIRST_AND_LAST">Remove First and Last</option>
                  </select>
                </div>
                <div class="mb-3">
                  <label for="pageOrder" th:text="#{pageOrderPrompt}"></label>
                  <input type="text" class="form-control" id="pageOrder" name="pageNumbers" placeholder="(e.g. 1,3,2 or 4-8,2,10-12 or 2n-1)" required>
                </div>
                <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{pdfOrganiser.submit}"></button>
              </form>
              <script>
                document.getElementById('customMode').addEventListener('change', function () {
                  var pageOrderInput = document.getElementById('pageOrder');
                  if (this.value === "") {
                    pageOrderInput.disabled = false;
                  } else {
                    pageOrderInput.disabled = true;
                  }
                });
              </script>
            </div>
          </div>
        </div>
      </div>
      <th:block th:insert="~{fragments/footer.html :: footer}"></th:block>
    </div>
  </body>
</html>
