$(function() {
  ListingEditor.register('pageMap', {
    fields: ['latitude', 'longitude', 'map_latitude', 'map_longitude', 'map_zoom'],
    refresh: function(){
      ListingMap.refresh();
    }
  });
});

Geocoder = {
  refresh: function(ignoreSuburb){
    var ignoreSuburb = ignoreSuburb;
    if (ListingEditor.options['mode'] !== "selected"){
      var isBlank = function(text){
        if (text == null) return true;
        $.trim(text) == "";
      }
      
      var listing = ListingEditor.workingListing();
      var addressLines = [];
      var context = this;
      var showMarker = true;
      if (!isBlank(listing.street_name)) {
        addressLines.push((listing.street_number || '') + ' ' + listing.street_name);
      }
      if (!isBlank(listing.location_name) && !ignoreSuburb) {
        addressLines.push(listing.location_name);
      }
      if (!isBlank(listing.area_name)) {
        addressLines.push(listing.area_name.replace(/\s(region|district)$/i, ''));
      }
      if (addressLines.length < 1){
        if (!isBlank(listing.postal_address_suburb)) {
          addressLines.push(listing.postal_address_suburb);
        }
        if (!isBlank(listing.postal_address_city)) {
          addressLines.push(listing.postal_address_city);
        }
      }
      if (addressLines.length < 1) {
        ListingEditor.updateSubmission('latitude', 0);
        ListingEditor.updateSubmission('longitude', 0);
        ListingEditor.updateSubmission('map_zoom', 0);
      }
      
      var geocoder = new GClientGeocoder();
      geocoder.setBaseCountryCode('nz');
      addressLines.push("NZ");
      
      geocoder.getLocations(addressLines.join(', '), function(locations) {
        if (locations.Placemark && locations.Placemark.length > 0) {
        
          var newLat = locations.Placemark[0].Point.coordinates[1];
          var newLng = locations.Placemark[0].Point.coordinates[0];
          if (listing.latitude !== newLat && listing.longitude !== newLng) {
            var difference = listing.latitude - newLat;
            if ((difference < 0 || difference > 0.0001) && (difference >= 0 || difference < -0.0001)) {
              ListingEditor.updateSubmission('map_latitude', newLat);
              ListingEditor.updateSubmission('map_longitude', newLng);
              ListingEditor.updateSubmission('latitude', newLat);
              ListingEditor.updateSubmission('longitude', newLng);                    
              if (listing.map_zoom <= 8) {
                if (addressLines.length <= 1) {
                  ListingEditor.updateSubmission('map_zoom', 8); 
                }
                else {
                  if (addressLines.length <= 3){
                    ListingEditor.updateSubmission('map_zoom', 14); 
                  }
                  else{
                    ListingEditor.updateSubmission('map_zoom', 15); 
                  }
                }
              }
            }
          }
          if (locations.Placemark[0].AddressDetails.Country.Locality && locations.Placemark[0].AddressDetails.Country.Locality.PostalCode) {
            var postcode = locations.Placemark[0].AddressDetails.Country.Locality.PostalCode.PostalCodeNumber;
            ListingEditor.updateSubmission('street_address_postcode', postcode);
          }
          else {
            ListingEditor.updateSubmission('street_address_postcode', null);
          }
          ListingEditor.refresh('#physicalAddress');
        }
        else {
          if (!ignoreSuburb){
            Geocoder.refresh(true);
          }
          else{
            ListingEditor.updateSubmission('latitude', 0);
            ListingEditor.updateSubmission('longitude', 0);
            ListingEditor.updateSubmission('map_zoom', 8);
          }
        }
        ListingMap.refresh("#pageMap");
      });
    }
  }
}