/*
 # -----------------------------------------------------------------------------
 # ~/assets/themes/j1/modules/mdiPreviewer/css/previewer.js
 # Provides JS functions for the MDI Icon Previewer
 #
 # Product/Info:
 # https://jekyll.one
 #
 # Copyright (C) 2021 Juergen Adams
 #
 # J1 Template is licensed under the MIT License.
 # See: https://github.com/jekyll-one-org/J1 Template/blob/master/LICENSE
 # -----------------------------------------------------------------------------
*/
;(function () {

  var icons         = {};
  var icon_database = '/assets/data/mdi_icons.json';
  var language      = document.documentElement.lang;
  var responseText;

  function load_data_database() {
    // Returns the icon database object
    return $.ajax({
      url: icon_database,
      success: function (data) {
        if (typeof data == 'string') {
          icons = JSON.parse(data);
        }
        if (typeof data == 'object') {
          icons = data;
        }
      }
    })
  };

  $.when(load_data_database()).done(
    function (load_database_response) {

      icons.push({
        "name": "blank",
        "codepoint": "F068C"
      });

      var copyText = function (text) {
        //          Popper currently NOT used
        //          See: https://github.com/popperjs/popper-core/tree/v1.16.1
        //
        //          var reference = document.querySelector("#mdi-icon");
        //          var popper = document.querySelector(".my-popper");

        if (language == 'en') {
          responseText = 'Copied to Clipboard';
        } else if (language == 'de') {
          responseText = 'Kopiert zur Zwischenablage';
        } else {
          responseText = 'Copied to Clipboard';
        }

        var copyFrom = document.createElement('textarea');
        copyFrom.setAttribute("style", "position:fixed;opacity:0;top:100px;left:100px;");
        copyFrom.value = text;
        document.body.appendChild(copyFrom);
        copyFrom.select();
        document.execCommand('copy');
        var copied = document.createElement('div');
        copied.setAttribute('class', 'copied');
        copied.appendChild(document.createTextNode(responseText));
        document.body.appendChild(copied);

        //          Popper currently NOT used
        //          See: https://github.com/popperjs/popper-core/tree/v1.16.1
        //
        //          var popperInstance = new Popper(reference, popper, {
        //            // popper options here
        //              placement: 'right'
        //          });

        setTimeout(function () {
          document.body.removeChild(copyFrom);
          document.body.removeChild(copied);
        }, 1500);
      };
      // Skip info record 0 (j=1)
      for (var j = 1; j < icons.length; j++) {
        var div = document.createElement('div'),
          i = document.createElement('i');
        div.setAttribute("id", "mdi-icon");

        i.className = 'mdi mdi-' + icons[j].name;
        div.appendChild(i);
        var code = document.createElement('code');
        code.appendChild(document.createTextNode('#' + icons[j].codepoint));
        div.appendChild(code);
        var span = document.createElement('span');
        //span.appendChild(document.createTextNode('mdi-' + icons[j].name));
        span.appendChild(document.createTextNode(icons[j].name));
        div.appendChild(span);

        // click on font-icon: copy icon name
        i.onmouseup = (function (icon) {
          return function () {
            copyText(icon.name);
          };
        })(icons[j]);

        // click on icon-value: copy icon value
        code.onmouseup = (function (icon) {
          return function () {
            copyText('#' + icon.codepoint);
          };
        })(icons[j]);

        // click on icon-name: copy MDI icon name
        span.onmouseup = (function (icon) {
          return function () {
            copyText('mdi-' + icon.name);
          };
        })(icons[j]);

        document.getElementById('icons').appendChild(div);
      }
    });

})();