//= require jquery
//= require jquery_ujs
//= require jquery.timers
//= require jquery.cookie
//= require jquery.throttle-debounce
//= require augment
//= require osm
//= require leaflet
//= require leaflet.osm
//= require leaflet.hash
//= require leaflet.zoom
//= require leaflet.extend
//= require leaflet.locationfilter
//= require i18n/translations
//= require oauth
//= require piwik
//= require map
//= require menu
//= require sidebar
//= require richtext
//= require geocoder
//= require querystring

var querystring = require('querystring-component');

function zoomPrecision(zoom) {
    return Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
}

function normalBounds(bounds) {
    if (bounds instanceof L.LatLngBounds) return bounds;
    return new L.LatLngBounds(
        new L.LatLng(bounds[0][0], bounds[0][1]),
        new L.LatLng(bounds[1][0], bounds[1][1]));
}

function remoteEditHandler(bbox, select) {
  var loaded = false,
      query = {
          left: bbox.getWest() - 0.0001,
          top: bbox.getNorth() + 0.0001,
          right: bbox.getEast() + 0.0001,
          bottom: bbox.getSouth() - 0.0001
      };

  if (select) query.select = select;
  $("#linkloader")
    .attr("src", "http://127.0.0.1:8111/load_and_zoom?" + querystring.stringify(query))
    .load(function() { loaded = true; });

  setTimeout(function () {
    if (!loaded) alert(I18n.t('site.index.remote_failed'));
  }, 1000);

  return false;
}

/*
 * Called as the user scrolls/zooms around to maniplate hrefs of the
 * view tab and various other links
 */
function updatelinks(loc, zoom, layers, bounds, object) {
  $(".geolink").each(function(index, link) {
    var href = link.href.split(/[?#]/)[0],
        args = querystring.parse(link.search.substring(1));

    if (bounds && $(link).hasClass("bbox")) args.bbox = normalBounds(bounds).toBBoxString();
    if (object && $(link).hasClass("object")) args[object.type] = object.id;

    var query = querystring.stringify(args);
    if (query) href += '?' + query;

    if ($(link).hasClass("llz")) {
      args = {
        lat: loc.lat,
        lon: loc.lon || loc.lng,
        zoom: zoom
      };

      if (layers && $(link).hasClass("layers")) {
        args.layers = layers;
      }

      href += OSM.formatHash(args);
    }

    link.href = href;

    var minzoom = $(link).data("minzoom");
    if (minzoom) {
      var name = link.id.replace(/anchor$/, "");
      $(link).off("click.minzoom");
      if (zoom >= minzoom) {
        $(link)
          .attr("title", I18n.t("javascripts.site." + name + "_tooltip"))
          .removeClass("disabled");
      } else {
        $(link)
          .attr("title", I18n.t("javascripts.site." + name + "_disabled_tooltip"))
          .addClass("disabled")
          .on("click.minzoom", function () {
            alert(I18n.t("javascripts.site." + name + "_zoom_alert"));
            return false;
          });
      }
    }
  });
}

// generate a cookie-safe string of map state
function cookieContent(map) {
  var center = map.getCenter().wrap();
  return [center.lng, center.lat, map.getZoom(), map.getLayersCode()].join('|');
}

function escapeHTML(string) {
  var htmlEscapes = {
    '&': '&',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#x27;'
  };
  return string == null ? '' : (string + '').replace(/[&<>"']/g, function(match) {
      return htmlEscapes[match];
  });
}

/*
 * Forms which have been cached by rails may have the wrong
 * authenticity token, so patch up any forms with the correct
 * token taken from the page header.
 */
$(document).ready(function () {
  var auth_token = $("meta[name=csrf-token]").attr("content");
  $("form input[name=authenticity_token]").val(auth_token);
});