// UTILS + MISC  ///////////////////////////////////////////////////////

window.aboutIITC = function(){
  var v = '@@BUILDNAME@@-@@BUILDDATE@@';
  var attrib = '@@INCLUDEMD:ATTRIBUTION.md@@';
  var contrib = '@@INCLUDEMD:CONTRIBS.md@@'
  var a = ''
  + '  <div><b>About IITC</b></div> '
  + '  <div>Ingress Intel Total Conversion</div> '
  + '  <hr>'
  + '  <div>'
  + '    <a href="http://iitc.jonatkins.com/" target="_blank">IITC Homepage</a><br />'
  + '     On the script’s homepage you can:'
  + '     <ul>'
  + '       <li>Find Updates</li>'
  + '       <li>Get Plugins</li>'
  + '       <li>Report Bugs</li>'
  + '       <li>Contribute!</li>'
  + '     </ul>'
  + '  </div>'
  + '  <div>'
  + '    MapQuest OSM tiles Courtesy of <a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="https://developer.mapquest.com/content/osm/mq_logo.png">'
  + '  </div>'
  + '  <hr>'
  + '  <div>Version: ' + v + '</div>'
  + '  <hr>'
  + '  <div>' + attrib + '</div>'
  + '  <hr>'
  + '  <div>' + contrib + '</div>';
  dialog({
    title: 'IITC ' + v,
    html: a,
    dialogClass: 'ui-dialog-aboutIITC'
  });
}


window.layerGroupLength = function(layerGroup) {
  var layersCount = 0;
  var layers = layerGroup._layers;
  if (layers)
    layersCount = Object.keys(layers).length;
  return layersCount;
}

// retrieves parameter from the URL?query=string.
window.getURLParam = function(param) {
  var v = document.URL;
  var i = v.indexOf(param);
  if(i <= -1) return '';
  v = v.substr(i);
  i = v.indexOf("&");
  if(i >= 0) v = v.substr(0, i);
  return v.replace(param+"=","");
}

// read cookie by name.
// http://stackoverflow.com/a/5639455/1684530 by cwolves
var cookies;
window.readCookie = function(name,c,C,i){
  if(cookies) return cookies[name];
  c = document.cookie.split('; ');
  cookies = {};
  for(i=c.length-1; i>=0; i--){
    C = c[i].split('=');
    cookies[C[0]] = unescape(C[1]);
  }
  return cookies[name];
}

window.writeCookie = function(name, val) {
  document.cookie = name + "=" + val + '; expires=Thu, 31 Dec 2020 23:59:59 GMT; path=/';
}

window.eraseCookie = function(name) {
  document.cookie = name + '=; expires=Thu, 1 Jan 1970 00:00:00 GMT; path=/';
}

//certain values were stored in cookies, but we're better off using localStorage instead - make it easy to convert
window.convertCookieToLocalStorage = function(name) {
  var cookie=readCookie(name);
  if(cookie !== undefined) {
    console.log('converting cookie '+name+' to localStorage');
    if(localStorage[name] === undefined) {
      localStorage[name] = cookie;
    }
    eraseCookie(name);
  }
}

// add thousand separators to given number.
// http://stackoverflow.com/a/1990590/1684530 by Doug Neiner.
window.digits = function(d) {
  return (d+"").replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1 ");
}

// posts AJAX request to Ingress API.
// action: last part of the actual URL, the rpc/dashboard. is
//         added automatically
// data: JSON data to post. method will be derived automatically from
//       action, but may be overridden. Expects to be given Hash.
//       Strings are not supported.
// success: method to call on success. See jQuery API docs for avail-
//          able arguments: http://api.jquery.com/jQuery.ajax/
// error: see above. Additionally it is logged if the request failed.
window.postAjax = function(action, data, success, error) {
  var post_data = JSON.stringify($.extend({method: 'dashboard.'+action}, data));
  var remove = function(data, textStatus, jqXHR) { window.requests.remove(jqXHR); };
  var errCnt = function(jqXHR) { window.failedRequestCount++; window.requests.remove(jqXHR); };
  var result = $.ajax({
    url: '/rpc/dashboard.'+action,
    type: 'POST',
    data: post_data,
    context: data,
    dataType: 'json',
    success: [remove, success],
    error: error ? [errCnt, error] : errCnt,
    contentType: 'application/json; charset=utf-8',
    beforeSend: function(req) {
      req.setRequestHeader('X-CSRFToken', readCookie('csrftoken'));
    }
  });
  result.action = action;
  return result;
}

window.zeroPad = function(number,pad) {
  number = number.toString();
  var zeros = pad - number.length;
  return Array(zeros>0?zeros+1:0).join("0") + number;
}


// converts javascript timestamps to HH:mm:ss format if it was today;
// otherwise it returns YYYY-MM-DD
window.unixTimeToString = function(time, full) {
  if(!time) return null;
  var d = new Date(typeof time === 'string' ? parseInt(time) : time);
  var time = d.toLocaleTimeString();
  var date = d.getFullYear()+'-'+zeroPad(d.getMonth()+1,2)+'-'+zeroPad(d.getDate(),2);
  if(typeof full !== 'undefined' && full) return date + ' ' + time;
  if(d.toDateString() == new Date().toDateString())
    return time;
  else
    return date;
}

// converts a javascript time to a precise date and time (optionally with millisecond precision)
// formatted in ISO-style YYYY-MM-DD hh:mm:ss.mmm - but using local timezone
window.unixTimeToDateTimeString = function(time, millisecond) {
  if(!time) return null;
  var d = new Date(typeof time === 'string' ? parseInt(time) : time);
  return d.getFullYear()+'-'+zeroPad(d.getMonth()+1,2)+'-'+zeroPad(d.getDate(),2)
    +' '+d.toLocaleTimeString()+(millisecond?'.'+zeroPad(d.getMilliseconds(),3):'');
}

window.unixTimeToHHmm = function(time) {
  if(!time) return null;
  var d = new Date(typeof time === 'string' ? parseInt(time) : time);
  var h = '' + d.getHours(); h = h.length === 1 ? '0' + h : h;
  var s = '' + d.getMinutes(); s = s.length === 1 ? '0' + s : s;
  return  h + ':' + s;
}

window.rangeLinkClick = function() {
  if(window.portalRangeIndicator)
    window.map.fitBounds(window.portalRangeIndicator.getBounds());
  if(window.isSmartphone())
    window.smartphone.mapButton.click();
}

window.showPortalPosLinks = function(lat, lng, name) {
  var encoded_name = 'undefined';
  if(name !== undefined) {
    encoded_name = encodeURIComponent(name);
  }

  if (typeof android !== 'undefined' && android && android.intentPosLink) {
    android.intentPosLink(lat, lng, encoded_name);
  } else {
    var qrcode = '<div id="qrcode"></div>';
    var script = '<script>$(\'#qrcode\').qrcode({text:\'GEO:'+lat+','+lng+'\'});</script>';
    var gmaps = '<a href="https://maps.google.com/?q='+lat+','+lng+'%20('+encoded_name+')">Google Maps</a>';
    var bingmaps = '<a href="http://www.bing.com/maps/?v=2&cp='+lat+'~'+lng+'&lvl=16&sp=Point.'+lat+'_'+lng+'_'+encoded_name+'___">Bing Maps</a>';
    var osm = '<a href="http://www.openstreetmap.org/?mlat='+lat+'&mlon='+lng+'&zoom=16">OpenStreetMap</a>';
    var latLng = '<span>&lt;' + lat + ',' + lng +'&gt;</span>';
    dialog({
      html: '<div style="text-align: center;">' + qrcode + script + gmaps + '; ' + bingmaps + '; ' + osm + '<br />' + latLng + '</div>',
      title: name,
      id: 'poslinks'
    });
  }
}

window.androidCopy = function(text) {
  if(typeof android === 'undefined' || !android || !android.copy)
    return true; // i.e. execute other actions
  else
    android.copy(text);
  return false;
}

window.reportPortalIssue = function(info) {
  var t = 'Redirecting you to a Google Help Page.\n\nThe text box contains all necessary information. Press CTRL+C to copy it.';
  var d = window.portals[window.selectedPortal].options.details;

  var info = 'Your Nick: ' + PLAYER.nickname + '        '
    + 'Portal: ' + d.portalV2.descriptiveText.TITLE + '        '
    + 'Location: ' + d.portalV2.descriptiveText.ADDRESS
    +' (lat ' + (d.locationE6.latE6/1E6) + '; lng ' + (d.locationE6.lngE6/1E6) + ')';

  //codename, approx addr, portalname
  if(prompt(t, info) !== null)
    location.href = 'https://support.google.com/ingress?hl=en&contact=1';
}

window._storedPaddedBounds = undefined;
window.getPaddedBounds = function() {
  if(_storedPaddedBounds === undefined) {
    map.on('zoomstart zoomend movestart moveend', function() {
      window._storedPaddedBounds = null;
    });
  }
  if(renderLimitReached(0.7)) return window.map.getBounds();
  if(window._storedPaddedBounds) return window._storedPaddedBounds;

  var p = window.map.getBounds().pad(VIEWPORT_PAD_RATIO);
  window._storedPaddedBounds = p;
  return p;
}

// returns true if the render limit has been reached. The default ratio
// is 1, which means it will tell you if there are more items drawn than
// acceptable. A value of 0.9 will tell you if 90% of the amount of
// acceptable entities have been drawn. You can use this to heuristi-
// cally detect if the render limit will be hit.
window.renderLimitReached = function(ratio) {
  ratio = ratio || 1;
  if(Object.keys(portals).length*ratio >= MAX_DRAWN_PORTALS) return true;
  if(Object.keys(links).length*ratio >= MAX_DRAWN_LINKS) return true;
  if(Object.keys(fields).length*ratio >= MAX_DRAWN_FIELDS) return true;
  var param = { 'reached': false };
  window.runHooks('checkRenderLimit', param);
  return param.reached;
}

window.getPortalDataZoom = function() {
  var z = map.getZoom();

  // limiting the mazimum zoom level for data retrieval reduces the number of requests at high zoom levels
  // (as all portal data is retrieved at z=17, why retrieve multiple z=18 tiles when fewer z=17 would do?)
  // very effective along with the new cache code
  if (z > 17) z=17;

  // we could consider similar zoom-level consolidation, as, e.g. level 16 and 15 both return L1+, always
  // request zoom 15 tiles. however, there are quirks in the current data stream, where small fields aren't
  // returned by the server. using larger tiles always would amplify this issue.

  //sanity check - should never happen
  if (z < 0) z=0;

  return z;
}

window.getMinPortalLevelForZoom = function(z) {
  if(z >= 17) return 0;
  if(z < 0) return 8;
  var conv = [8,8,8,8,7,7,6,6,5,4,4,3,3,2,2,1,1];
  var minLevelByRenderLimit = portalRenderLimit.getMinLevel();
  var result = minLevelByRenderLimit > conv[z]
    ? minLevelByRenderLimit
    : conv[z];
  return result;
}


window.getMinPortalLevel = function() {
  var z = getPortalDataZoom();
  return getMinPortalLevelForZoom(z);
}

// returns number of pixels left to scroll down before reaching the
// bottom. Works similar to the native scrollTop function.
window.scrollBottom = function(elm) {
  if(typeof elm === 'string') elm = $(elm);
  return elm.get(0).scrollHeight - elm.innerHeight() - elm.scrollTop();
}

window.zoomToAndShowPortal = function(guid, latlng) {
  map.setView(latlng, 17);
  // if the data is available, render it immediately. Otherwise defer
  // until it becomes available.
  if(window.portals[guid])
    renderPortalDetails(guid);
  else
    urlPortal = guid;
}

// translates guids to entity types
window.getTypeByGuid = function(guid) {
  // All GUID type values, extracted from the ingress app .apk
  // some are almost certainly Niantic internal use only - never seen on the network
  // .1  == Panoramio portal [deprecated]
  // .2  == Random portal
  // .3  == Beacon
  // .4  == Resource (dropped media - other dropped items?)
  // .5  == Inventory item
  // .6  == Energy glob (XM)
  // .7  == Energy spawn location
  // .8  == HMDB portal [deprecated]
  // .9  == Link (internally "edge")                     ** TYPE_LINK
  // .a  == LocalStore portal [deprecated]
  // .b  == Control field (internally "captured region") ** TYPE_FIELD
  // .c  == Player                                       ** TYPE_PLAYER
  // .d  == COMM message (internally "plext")            ** TYPE_CHAT
  // .e  == Tracking record
  // .f  == Tracking group
  // .10 == Passcode reward [deprecated]
  // .11 == SuperOps portal                              ** TYPE_PORTAL - the batch loaded from panorimo, etc?
  // .12 == Anon portal                                  ** TYPE_PORTAL - user submitted by email?
  // .13 == Account info
  // .14 == GeoStore POI [deprecated]
  // .15 == GeoStore mod
  // .16 == GeoStore portal                              ** TYPE_PORTAL - new in-app submissions?
  // .17 == Portal image
  // .18 == PMRR change
  
  // resonator guid is [portal guid]-resonator-[slot]
  switch(guid.slice(33)) {
    case '2':
    case '11':
    case '12':
    case '16':
      return TYPE_PORTAL;

    case '9':
      return TYPE_LINK;

    case 'b':
      return TYPE_FIELD;

    case 'c':
      return TYPE_PLAYER;

    case 'd':
      return TYPE_CHAT;

    default:
      if(guid.slice(-11,-2) == 'resonator') return TYPE_RESONATOR;
      return TYPE_UNKNOWN;
  }
}

String.prototype.capitalize = function() {
    return this.charAt(0).toUpperCase() + this.slice(1).toLowerCase();
}

// http://stackoverflow.com/a/646643/1684530 by Bergi and CMS
if (typeof String.prototype.startsWith !== 'function') {
  String.prototype.startsWith = function (str){
    return this.slice(0, str.length) === str;
  };
}

// escape a javascript string, so quotes and backslashes are escaped with a backslash
// (for strings passed as parameters to html onclick="..." for example)
window.escapeJavascriptString = function(str) {
  return (str+'').replace(/[\\"']/g,'\\$&');
}

//escape special characters, such as tags
window.escapeHtmlSpecialChars = function(str) {
  var div = document.createElement(div);
  var text = document.createTextNode(str);
  div.appendChild(text);
  return div.innerHTML;
}

window.prettyEnergy = function(nrg) {
  return nrg> 1000 ? Math.round(nrg/1000) + ' k': nrg;
}

window.setPermaLink = function(elm) {
  var c = map.getCenter();
  var lat = Math.round(c.lat*1E6)/1E6;
  var lng = Math.round(c.lng*1E6)/1E6;
  var qry = 'll='+lat+','+lng+'&z=' + map.getZoom();
  $(elm).attr('href',  '/intel?' + qry);
}

window.uniqueArray = function(arr) {
  return $.grep(arr, function(v, i) {
    return $.inArray(v, arr) === i;
  });
}

window.genFourColumnTable = function(blocks) {
  var t = $.map(blocks, function(detail, index) {
    if(!detail) return '';
    if(index % 2 === 0)
      return '<tr><td>'+detail[1]+'</td><th>'+detail[0]+'</th>';
    else
      return '    <th>'+detail[0]+'</th><td>'+detail[1]+'</td></tr>';
  }).join('');
  if(t.length % 2 === 1) t + '<td></td><td></td></tr>';
  return t;
}


// converts given text with newlines (\n) and tabs (\t) to a HTML
// table automatically.
window.convertTextToTableMagic = function(text) {
  // check if it should be converted to a table
  if(!text.match(/\t/)) return text.replace(/\n/g, '<br>');

  var data = [];
  var columnCount = 0;

  // parse data
  var rows = text.split('\n');
  $.each(rows, function(i, row) {
    data[i] = row.split('\t');
    if(data[i].length > columnCount) columnCount = data[i].length;
  });

  // build the table
  var table = '<table>';
  $.each(data, function(i, row) {
    table += '<tr>';
    $.each(data[i], function(k, cell) {
      var attributes = '';
      if(k === 0 && data[i].length < columnCount) {
        attributes = ' colspan="'+(columnCount - data[i].length + 1)+'"';
      }
      table += '<td'+attributes+'>'+cell+'</td>';
    });
    table += '</tr>';
  });
  table += '</table>';
  return table;
}

// Given 3 sets of points in an array[3]{lat, lng} returns the area of the triangle
window.calcTriArea = function(p) {
  return Math.abs((p[0].lat*(p[1].lng-p[2].lng)+p[1].lat*(p[2].lng-p[0].lng)+p[2].lat*(p[0].lng-p[1].lng))/2);
}

// Update layerGroups display status to window.overlayStatus and localStorage 'ingress.intelmap.layergroupdisplayed'
window.updateDisplayedLayerGroup = function(name, display) {
  overlayStatus[name] = display;
  localStorage['ingress.intelmap.layergroupdisplayed'] = JSON.stringify(overlayStatus);
}

// Read layerGroup status from window.overlayStatus if it was added to map,
// read from cookie if it has not added to map yet.
// return 'defaultDisplay' if both overlayStatus and cookie didn't have the record
window.isLayerGroupDisplayed = function(name, defaultDisplay) {
  if(typeof(overlayStatus[name]) !== 'undefined') return overlayStatus[name];

  convertCookieToLocalStorage('ingress.intelmap.layergroupdisplayed');
  var layersJSON = localStorage['ingress.intelmap.layergroupdisplayed'];
  if(!layersJSON) return defaultDisplay;

  var layers = JSON.parse(layersJSON);
  // keep latest overlayStatus
  overlayStatus = $.extend(layers, overlayStatus);
  if(typeof(overlayStatus[name]) === 'undefined') return defaultDisplay;
  return overlayStatus[name];
}

window.addLayerGroup = function(name, layerGroup, defaultDisplay) {
  if(isLayerGroupDisplayed(name, defaultDisplay)) map.addLayer(layerGroup);
  layerChooser.addOverlay(layerGroup, name);
}

window.clampLat = function(lat) {
  if (lat > 90.0)
    lat = 90.0;
  else if (lat < -90.0)
    lat = -90.0;
  return lat;
}

window.clampLng = function(lng) {
  if (lng > 180.0)
    lng = 180.0
  else if (lng < -180.0)
    lng = -180.0;
  return lng;
}


window.clampLatLng = function(latlng) {
  return new L.LatLng ( clampLat(latlng.lat), clampLng(latlng.lng) );
}

window.clampLatLngBounds = function(bounds) {
  return new L.LatLngBounds ( clampLatLng(bounds.getSouthWest()), clampLatLng(bounds.getNorthEast()) );
}