// ==UserScript==
// @name            Open WME in EST
// @description     Opens the current Waze Map Editor view in Estonian Land Board Geoportal
// @version         0.8
// @include         /^https:\/\/(www|beta)\.waze\.com\/*\/(?!user\/)(.{2,6}\/)?editor.*$/
// @include         https://xgis.maaamet.ee/maps/*
// @include         https://xgis.maaamet.ee/xgis2/page/app/*
// @require         https://greasyfork.org/scripts/383120-proj4-wazedev/code/proj4-Wazedev.js
// @author          script is based from orignal google maps script, modified by rain101
// @namespace       https://greasyfork.org/users/207621
// @downloadURL none
// ==/UserScript==

/* global $ */
/* global OpenLayers */
/* global I18n */
/* global W */
/* global proj4 */
/* eslint curly: ["warn", "multi-or-nest"]*/

console.log("WME_EE BEGINNING");

const icon = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAMCAYAAABiDJ37AAAArUlEQVQokbXMPQ6CMBxA8X80EMpgcdBRowaMB2NquKKLxEQ08WOCiR4BptLpeYjqS37rk5OpyU1Dbm7BjuaK5ObGzrzYmWegF7lpkKK6s68+7Kt3oA9F9UAO5ZlNWbMtL4FqDuUZUYs1syRjrpZBZklGslghcRwjIj8RRdEfhlprlFKkaRpEKYXWGmnbFmstfd8HsdbSdR3inONXOef+MByGAe890zQF8d4zjiNfdeREmfFbjlgAAAAASUVORK5CYII=';

function gen_url() {

  var geoPoint=new OpenLayers.Geometry.Point(W.map.getCenter().lon,W.map.getCenter().lat);
  proj4.defs("EPSG:3301", "+proj=lcc +lat_1=59.33333333333334 +lat_2=58 +lat_0=57.51755393055556 +lon_0=24 +x_0=500000 +y_0=6375000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs");

  var source = new proj4.Proj("EPSG:900913");
  var dest = new proj4.Proj("EPSG:3301");

  geoPoint = proj4.transform(source, dest, geoPoint);

  // waze zoom leveles 0-10
  const zoom = W.map.getZoom();

  var array = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0];
  // If Waze zoom is 0, then we'll take first array element and the result is:
  // Pow(2, 10]) * 175 = 179200
  // the result is opened map at level 1:179200 (landportal has 178985)

  var result = Math.pow(2, array[zoom]) * 175;

  // Normal Flash Estonian Landboard page
  // return 'http://xgis.maaamet.ee/xGIS/XGis?app_id=UU82&user_id=at&punkt=' + point.x + ',' + point.y + '&moot=4000';

  // HTML5 Estonian Landboard page
  //return 'http://xgis.maaamet.ee/maps/XGis?app_id=UU82A&user_id=at&zlevel=' + zoom + ',' + point.x + ',' + point.y;

  //https://xgis.maaamet.ee/xgis2/page/app/maainfo?punkt=542228.98,6588663.63&moot=2000
  return 'https://xgis.maaamet.ee/xgis2/page/app/maainfo?punkt=' + geoPoint.x + ',' + geoPoint.y + '&moot=' + result;
}

function init() {
  try {
      var element = $('.WazeControlPermalink');
      if ($(element).length) {
          var section = $("<div>", {style:"padding:8px 16px"});
          section.html([
              '<span id="LORT">',
              `<img src="${icon}" alt="EE" id="WMEtoEE" title="Open in Estoninan Landboard" style="cursor:pointer; float: left; display:inline-block;">`,
              '</span>',
          ].join(' '));

          $('.WazeControlPermalink').append(section.html());
          $('#WMEtoEE').click(function() {
            window.open(gen_url(), '_blank');
          });

          console.log("WME_EE done");
        } else {
          setTimeout(init, 1000);
        }
  } catch (err) {
    console.log("WME_EE - " + err);
    setTimeout(init, 1000);
  }
}

init();