{% import "edit_macros.html" as edit_macros %}
{% extends "base.html" %}

{% block body %}
{% block edit_form_prefix %}
<div class="ui segment">
<h1 class="ui header">Edit Release Entity</h1>

<form class="ui form" id="edit_release_form" method="POST" action="{% if editgroup %}/editgroup/{{ editgroup.editgroup_id }}{% endif %}/release/{{ existing_ident }}/edit">
{% endblock %}
  {{ form.hidden_tag() }}

  <h3 class="ui dividing header">Editgroup Metadata</h3>
  {{ edit_macros.editgroup_dropdown(form, editgroup, potential_editgroups) }}

  <br>
  <h3 class="ui dividing header">The Basics</h3>
  <div class="ui grid">
    <div class="three wide column" style="padding-bottom: 0px;"></div>
    <div class="twelve wide column" style="padding-bottom: 0px;">
      <div class="ui equal width fields">
        {{ edit_macros.form_field_basic(form.release_type, "required") }}
        {{ edit_macros.form_field_basic(form.release_stage) }}
      </div>
    </div>
    <div class="one wide column" style="padding-bottom: 0px;"></div>
  </div>

  {{ edit_macros.form_field_inline(form.title, "required") }}
  {{ edit_macros.form_field_inline(form.original_title) }}
  {{ edit_macros.form_field_inline(form.work_id) }}
  {{ edit_macros.form_field_inline(form.release_date) }}
  <div class="ui grid">
    <div class="three wide column" style="padding-bottom: 0px;"></div>
    <div class="twelve wide column" style="padding-bottom: 0px;">
      <div class="ui equal width fields">
        {{ edit_macros.form_field_basic(form.language) }}
        {{ edit_macros.form_field_basic(form.license_slug) }}
      </div>
    </div>
    <div class="one wide column" style="padding-bottom: 0px;"></div>
  </div>

  <br>
  <h3 class="ui dividing header">Contributors</h3>
  <div class="list-group" id="contrib_list" name="contrib_list">
  {% for cform in form.contribs %}
    <div class="list-group-item ui grid" style="padding-right: 1em;">
      {{ cform.hidden_tag() }}
      <div class="one wide column middle aligned center aligned sortable-handle" style="padding-bottom: 0px; padding-right: 0px; padding-left: 0px;">
        <i class="arrows alternate vertical icon"></i>
      </div>
      <div class="three wide column" style="padding-bottom: 0px; padding-left: 0px;">
        <div class="field {% if cform.role.errors %}error{% endif %}">
          {{ cform.role() }}
        </div>
      </div>
      <div class="eleven wide column" style="padding-bottom: 0px;">
        <div class="field {% if cform.raw_name.errors %}error{% endif %}">
          {{ cform.raw_name() }}
          {{ edit_macros.form_field_errors(cform.raw_name) }}
        </div>
      </div>
      <div class="one wide column right aligned" style="padding-bottom: 0px; padding-left: 0rem;">
        <button type="button" class="ui icon red button delete-contrib-button"><i class="trash icon"></i></button>
      </div>
    </div>
  {% endfor %}
  </div>
  <br>
  <button type="button" id="add-contrib-button" class="ui right floated icon green button" style="margin-right: 0.3rem;">
    <i class="plus icon"></i>
  </button>
  <br>

  <br>
  <h3 class="ui dividing header">Identifers</h3>
  <br>
  {{ edit_macros.form_field_inline(form.doi) }}
  {{ edit_macros.form_field_inline(form.wikidata_qid) }}
  {{ edit_macros.form_field_inline(form.isbn13) }}
  <div class="ui grid">
    <div class="three wide column" style="padding-bottom: 0px;"></div>
    <div class="twelve wide column" style="padding-bottom: 0px;">
      <div class="ui equal width fields">
        {{ edit_macros.form_field_basic(form.pmid) }}
        {{ edit_macros.form_field_basic(form.pmcid) }}
      </div>
    </div>
    <div class="one wide column" style="padding-bottom: 0px;"></div>
  </div>

  <br>
  <h3 class="ui dividing header">Container</h3>
  <br>
  {{ edit_macros.form_field_inline(form.container_id) }}
  {{ edit_macros.form_field_inline(form.publisher) }}
  <br>
  <div class="ui grid">
    <div class="three wide column" style="padding-bottom: 0px;"></div>
    <div class="twelve wide column" style="padding-bottom: 0px;">
      <div class="ui equal width fields">
        {{ edit_macros.form_field_basic(form.pages) }}
        {{ edit_macros.form_field_basic(form.volume) }}
        {{ edit_macros.form_field_basic(form.issue) }}
      </div>
    </div>
    <div class="one wide column" style="padding-bottom: 0px;"></div>
  </div>

  <br><br>
  <h3 class="ui dividing header">Submit</h3>
  {{ edit_macros.form_field_basic(form.edit_description) }}
  This description will be attached to the individual edit, not to the
  editgroup as a whole.
{% block edit_form_suffix %}
  <br><br>
  <input class="ui primary submit button" type="submit" value="Update Release!">
  <p>
  <i>Edit will be part of the current editgroup, which needs to be submited and
  approved before the change is included in the catalog.</i>
</form>
</div>
{% endblock %}
{% endblock %}

{% block postscript %}
<script src="https://cdn.jsdelivr.net/npm/sortablejs@latest/Sortable.min.js"></script>
<script>
<!-- Form code -->
$(document).ready(function() {

  // these javascript dropdowns hide the original <input>, which breaks browser
  // form focusing (eg, for required fields) :(
  //$('#release_type').dropdown();
  //$('#release_stage').dropdown();
  $('.ui.dropdown') .dropdown();

  var fixup_contrib_numbering = function(group_item) {
    items = Array.from(group_item.querySelectorAll(".list-group-item"))
    for (var i = 0; i < items.length; i++) {
      var item_el = items[i];
      prev_el = item_el.querySelectorAll("input")[0];
      input_el = item_el.querySelectorAll("input")[1];
      select_el = item_el.querySelectorAll("select")[0];
      //console.log(input_el.id);
      //console.log(select_el.id);
      input_el.id = "contribs-" + i + "-raw_name";
      input_el.name = input_el.id;
      prev_el.id = "contribs-" + i + "-prev_index";
      prev_el.name = prev_el.id;
      select_el.id = "contribs-" + i + "-role";
      select_el.name = select_el.id;
      //console.log(input_el.id);
      //console.log(select_el.id);
    };
    console.log("re-named contrib rows up to i=" + i);
  };

  var contrib_list = document.getElementById('contrib_list');
  var contrib_sortable = Sortable.create(contrib_list, {
    handle: '.sortable-handle',
    animation: 150,
    onSort: function(evt) {
      fixup_contrib_numbering(contrib_list);
    },
  });
  fixup_contrib_numbering(contrib_list);

  var contrib_delete_handler = function(ev) {
    row = ev.target.parentNode.parentNode;
    // I don't understand why this hack is needed; maybe because of the sortable stuff?
    if(!row.classList.contains("list-group-item")) {
        row = row.parentNode;
    }
    // console.log(row);
    console.assert(row.classList.contains("list-group-item"));
    row.parentNode.removeChild(row);
    fixup_contrib_numbering(contrib_list);
  };

  var attach_contrib_delete_handler = function(topthing) {
    Array.from(topthing.querySelectorAll(".delete-contrib-button")).forEach((el) => {
      el.addEventListener("click", contrib_delete_handler);
    });
  };
  attach_contrib_delete_handler(document);

  // XXX: really need some way to not duplicate this code from above...
  var contrib_template = `
  <div class="list-group-item ui grid" style="padding-right: 1em;">
      <input id="contribs-X-prev_index" name="contribs-X-prev_index" type="hidden" value="">
      <div class="one wide column middle aligned center aligned sortable-handle" style="padding-bottom: 0px; padding-right: 0px; padding-left: 0px;">
        <i class="arrows alternate vertical icon"></i>
      </div>
      <div class="three wide column" style="padding-bottom: 0px; padding-left: 0px;">
        <select id="contribs-X-role" name="contribs-X-role"><option value="author">Author</option><option value="editor">Editor</option><option value="translator">Translator</option></select>
      </div>
      <div class="eleven wide column" style="padding-bottom: 0px;">
        <input id="contribs-X-raw_name" name="contribs-X-raw_name" type="text" value="">
      </div>
      <div class="one wide column right aligned" style="padding-bottom: 0px; padding-left: 0rem;">
        <button type="button" class="ui icon red button delete-contrib-button"><i class="trash icon"></i></button>
      </div>
    </div>
  `;

  var add_contrib_button = document.getElementById("add-contrib-button");
  add_contrib_button.addEventListener("click", function(){
    contrib_list.insertAdjacentHTML('beforeend', contrib_template);
    attach_contrib_delete_handler(contrib_list.lastElementChild);
    fixup_contrib_numbering(contrib_list);
  });

  console.log("Page loaded");

});
</script>
{% endblock %}