(function() {
  var activate, addLink, attachHandlers, attachLinkHandlers, fetchDescriptions, linkTemplate, objIdsFor, openContentBrowser, removeLink, render, save, storeLastSaved;

  scrivito.on('load', function() {
    return scrivito.define_editor('linklist', scrivito.editors.linklist_editor);
  });

  scrivito.editors.linklist_editor = {
    can_edit: function(element) {
      return $(element).is('[data-scrivito-field-type=linklist]');
    },
    activate: function(element) {
      return activate($(element));
    }
  };

  activate = function(cmsField) {
    var linklist;
    linklist = cmsField.scrivito('content');
    render(cmsField, linklist);
    fetchDescriptions(cmsField, objIdsFor(linklist));
    attachHandlers(cmsField);
    return storeLastSaved(cmsField, linklist);
  };

  render = function(cmsField, linklist) {
    var j, len, link, ul;
    ul = $('<ul></ul>');
    for (j = 0, len = linklist.length; j < len; j++) {
      link = linklist[j];
      ul.append(linkTemplate(link));
    }
    cmsField.html(ul);
    return cmsField.append('<button class="editing-button editing-green add-link">\n  <i class="editing-icon editing-icon-plus"></i>\n</button>');
  };

  fetchDescriptions = function(cmsField, objIds) {
    if (objIds.length) {
      return scrivito.description_for_editor(objIds).then(function(descriptions) {
        var i, j, len, objId, results, urlInput;
        results = [];
        for (i = j = 0, len = objIds.length; j < len; i = ++j) {
          objId = objIds[i];
          urlInput = cmsField.find("[data-id='" + objId + "'] [name=url]");
          if (descriptions[i] && urlInput.not(':focus')) {
            results.push(urlInput.val(descriptions[i]));
          } else {
            results.push(void 0);
          }
        }
        return results;
      });
    }
  };

  objIdsFor = function(linklist) {
    var j, len, link, results;
    results = [];
    for (j = 0, len = linklist.length; j < len; j++) {
      link = linklist[j];
      if (link.obj_id) {
        results.push(link.obj_id);
      }
    }
    return results;
  };

  attachHandlers = function(cmsField) {
    var j, len, li, ref, results, ul;
    ul = cmsField.find('ul');
    ul.sortable({
      update: function() {
        return save(cmsField);
      }
    });
    cmsField.on('blur', 'li input', function() {
      return save(cmsField);
    }).on('click', 'button.add-link', function() {
      return addLink(cmsField);
    });
    ref = ul.find('li');
    results = [];
    for (j = 0, len = ref.length; j < len; j++) {
      li = ref[j];
      results.push(attachLinkHandlers(cmsField, $(li)));
    }
    return results;
  };

  attachLinkHandlers = function(cmsField, li) {
    return li.on('click', 'a.scrivito_open_content_browser', function() {
      return openContentBrowser(cmsField, li);
    }).on('click', 'a.delete', function() {
      return removeLink(cmsField, li);
    }).find('[name=url]').on('focus', function() {
      var input, raw;
      input = $(this);
      raw = input.attr('data-value');
      if (raw) {
        input.val(raw);
      }
      return input.attr('data-value', null);
    });
  };

  linkTemplate = function(link) {
    var obj_url;
    obj_url = link.obj_id && scrivito.path_for_id(link.obj_id);
    return $("<li " + (link.obj_id ? "data-id='" + link.obj_id + "'" : void 0) + " data-title=\"" + link.title + "\" data-url=\"" + link.url + "\">\n  <input type=\"text\" name=\"title\" value=\"" + (link.title || '') + "\" placeholder=\"Title\" />\n  <input type=\"text\" name=\"url\" value=\"" + (link.url || obj_url || '') + "\"\n      data-value=\"" + (link.url || obj_url || '') + "\" placeholder=\"Url\" class=\"editing-url\" />\n  <div class=\"actions\">\n    <a href=\"#\" class=\"scrivito_open_content_browser editing-button editing-green\">\n      <i class=\"editing-icon editing-icon-search\" />\n    </a>\n    <a href=\"#\" class=\"editing-button editing-red delete\">\n      <i class=\"editing-icon editing-icon-trash\" />\n    </a>\n  </div>\n</li>");
  };

  save = function(cmsField) {
    var input, lastSaved, li, title, url, value;
    value = (function() {
      var j, len, ref, results;
      ref = $(cmsField).find('li');
      results = [];
      for (j = 0, len = ref.length; j < len; j++) {
        li = ref[j];
        li = $(li);
        title = li.find('[name=title]').val();
        input = li.find('[name=url]');
        url = input.attr('data-value') || input.val();
        if (url) {
          results.push({
            title: title,
            url: url
          });
        } else {
          results.push(null);
        }
      }
      return results;
    })();
    value = $.grep(value, function(n) {
      return n;
    });
    lastSaved = cmsField.attr('data-scrivito-editors-linklist-last-saved');
    if (JSON.stringify(value) !== JSON.stringify(lastSaved)) {
      return cmsField.scrivito('save', value).done(function() {
        cmsField.trigger('save.scrivito_editors');
        return storeLastSaved(cmsField, value);
      });
    }
  };

  addLink = function(cmsField) {
    var li;
    li = linkTemplate({});
    li.appendTo(cmsField.find('ul'));
    attachLinkHandlers(cmsField, li);
    return false;
  };

  openContentBrowser = function(cmsField, li) {
    var id;
    id = li.attr('data-id');
    scrivito.content_browser.open({
      selection: id ? [id] : [],
      selection_mode: 'single',
      filters: cmsField.data('scrivitoEditorsFilters'),
      filter_context: cmsField.data('scrivitoEditorsFilterContext')
    }).done((function(_this) {
      return function(selection) {
        var url, val;
        if (id = selection[0]) {
          url = scrivito.path_for_id(id);
          val = "Content browser selection (" + url + ")";
          li.attr('data-id', id).find('[name=url]').attr('data-value', url).val(val);
          save(cmsField);
          return fetchDescriptions(cmsField, [id]);
        }
      };
    })(this));
    return false;
  };

  removeLink = function(cmsField, li) {
    li.remove();
    save(cmsField);
    return false;
  };

  storeLastSaved = function(cmsField, lastSaved) {
    return cmsField.attr('data-scrivito-editors-linklist-last-saved', lastSaved);
  };

}).call(this);