/**
 * This file must not be changed or exchanged.
 *
 * @see http://bpmn.io/license for more information.
 */

'use strict';

var domify = require('min-dom/lib/domify');

var domDelegate = require('min-dom/lib/delegate');

/* jshint -W101 */

// inlined ../resources/bpmnjs.png
var logoData = module.exports.BPMNIO_LOGO = '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';

/* jshint +W101 */


function css(attrs) {
  return attrs.join(';');
}

var LIGHTBOX_STYLES = css([
  'z-index: 1001',
  'position: fixed',
  'top: 0',
  'left: 0',
  'right: 0',
  'bottom: 0'
]);

var BACKDROP_STYLES = css([
  'width: 100%',
  'height: 100%',
  'background: rgba(0,0,0,0.2)'
]);

var NOTICE_STYLES = css([
  'position: absolute',
  'left: 50%',
  'top: 40%',
  'margin: 0 -130px',
  'width: 260px',
  'padding: 10px',
  'background: white',
  'border: solid 1px #AAA',
  'border-radius: 3px',
  'font-family: Helvetica, Arial, sans-serif',
  'font-size: 14px',
  'line-height: 1.2em'
]);

var LIGHTBOX_MARKUP =
  '<div class="bjs-powered-by-lightbox" style="' + LIGHTBOX_STYLES + '">' +
    '<div class="backdrop" style="' + BACKDROP_STYLES + '"></div>' +
    '<div class="notice" style="' + NOTICE_STYLES + '">' +
      '<a href="http://bpmn.io" target="_blank" style="float: left; margin-right: 10px">' +
        '<img src="data:image/png;base64,'+ logoData +'">' +
      '</a>' +
      'Web-based tooling for BPMN, DMN and CMMN diagrams ' +
      'powered by <a href="http://bpmn.io" target="_blank">bpmn.io</a>.' +
    '</div>' +
  '</div>';


var lightbox;

function open() {

  if (!lightbox) {
    lightbox = domify(LIGHTBOX_MARKUP);

    domDelegate.bind(lightbox, '.backdrop', 'click', function(event) {
      document.body.removeChild(lightbox);
    });
  }

  document.body.appendChild(lightbox);
}

module.exports.open = open;