
/**
 * @file getlocations_leaflet_providers.js
 * @author Bob Hutchinson http://drupal.org/user/52366
 * @copyright GNU GPL
 *
 * Javascript functions for getlocations_leaflet module for Drupal 7
 * this is for leaflet maps http://leafletjs.com/
 * code derived from leaflet-providers.js https://github.com/leaflet-extras/leaflet-providers
 *
 */
(function () {
  'use strict';

  L.TileLayer.Provider = L.TileLayer.extend({
    initialize: function (arg, options) {
      var providers = L.TileLayer.Provider.providers;

      var parts = arg.split('.');

      var providerName = parts[0];
      var variantName = parts[1];

      if (!providers[providerName]) {
        throw 'No such provider (' + providerName + ')';
      }

      var provider = {
        url: providers[providerName].url,
        options: providers[providerName].options
      };

      // overwrite values in provider from variant.
      if (variantName && 'variants' in providers[providerName]) {
        if (!(variantName in providers[providerName].variants)) {
          throw 'No such name in provider (' + variantName + ')';
        }
        var variant = providers[providerName].variants[variantName];
        provider = {
          url: variant.url || provider.url,
          options: L.Util.extend({}, provider.options, variant.options)
        };
      } else if (typeof provider.url === 'function') {
        provider.url = provider.url(parts.splice(1).join('.'));
      }

      // replace attribution placeholders with their values from toplevel provider attribution,
      // recursively
      var attributionReplacer = function (attr) {
        if (attr.indexOf('{attribution.') === -1) {
          return attr;
        }
        return attr.replace(/\{attribution.(\w*)\}/,
          function (match, attributionName) {
            return attributionReplacer(providers[attributionName].options.attribution);
          }
        );
      };
      provider.options.attribution = attributionReplacer(provider.options.attribution);

      // Compute final options combining provider options with any user overrides
      var layerOpts = L.Util.extend({}, provider.options, options);
      L.TileLayer.prototype.initialize.call(this, provider.url, layerOpts);
    }
  });

  /**
   * Definition of providers.
   * see http://leafletjs.com/reference.html#tilelayer for options in the options map.
   */

  //jshint maxlen:220
  L.TileLayer.Provider.providers = {
    OpenStreetMap: {
      url: 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
      options: {
        attribution:
          '&copy; <a target="_blank" href="http://www.openstreetmap.org">OpenStreetMap</a> contributors, ' +
          '<a target="_blank" href="http://www.openstreetmap.org/copyright">ODBL</a>'
      },
      variants: {
        Mapnik: {},
        BlackAndWhite: {
          url: 'http://{s}.www.toolserver.org/tiles/bw-mapnik/{z}/{x}/{y}.png'
        },
        DE: {
          url: 'http://{s}.tile.openstreetmap.de/tiles/osmde/{z}/{x}/{y}.png'
        },
        HOT: {
          url: 'http://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png',
          options: {
            attribution: '{attribution.OpenStreetMap}, Tiles courtesy of <a href="http://hot.openstreetmap.org/" target="_blank">Humanitarian OpenStreetMap Team</a>'
          }
        }
      }
    },
    OpenCycleMap: {
      url: 'http://{s}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png',
      options: {
        attribution:
          '&copy; <a href="http://www.opencyclemap.org">OpenCycleMap</a>, {attribution.OpenStreetMap}'
      }
    },
    OpenSeaMap: {
      url: 'http://tiles.openseamap.org/seamark/{z}/{x}/{y}.png',
      options: {
        attribution: 'Map data: &copy; <a href="http://www.openseamap.org">OpenSeaMap</a> contributors'
      }
    },
    Thunderforest: {
      url: 'http://{s}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png',
      options: {
        attribution: '{attribution.OpenCycleMap}'
      },
      variants: {
        OpenCycleMap: {},
        Transport: {
          url: 'http://{s}.tile2.opencyclemap.org/transport/{z}/{x}/{y}.png'
        },
        Landscape: {
          url: 'http://{s}.tile3.opencyclemap.org/landscape/{z}/{x}/{y}.png'
        },
        Outdoors: {
          url: 'http://{s}.tile.thunderforest.com/outdoors/{z}/{x}/{y}.png'
        }
      }
    },
    OpenMapSurfer: {
      url: 'http://129.206.74.245:8001/tms_r.ashx?x={x}&y={y}&z={z}',
      options: {
        attribution: 'Imagery from <a href="http://giscience.uni-hd.de/">GIScience Research Group @ University of Heidelberg</a> &mdash; Map data {attribution.OpenStreetMap}'
      },
      variants: {
        Grayscale: {
          url: 'http://129.206.74.245:8008/tms_rg.ashx?x={x}&y={y}&z={z}'
        }
      }
    },
    MapQuestOpen: {
      url: 'http://otile{s}.mqcdn.com/tiles/1.0.0/map/{z}/{x}/{y}.jpeg',
      options: {
        attribution:
          'Tiles Courtesy of <a href="http://www.mapquest.com/">MapQuest</a> &mdash; ' +
          'Map data {attribution.OpenStreetMap}',
        subdomains: '1234'
      },
      variants: {
        OSM: {},
        Aerial: {
          url: 'http://oatile{s}.mqcdn.com/tiles/1.0.0/sat/{z}/{x}/{y}.jpg',
          options: {
            attribution:
              'Tiles Courtesy of <a href="http://www.mapquest.com/">MapQuest</a> &mdash; ' +
              'Portions Courtesy NASA/JPL-Caltech and U.S. Depart. of Agriculture, Farm Service Agency'
          }
        }
      }
    },
    MapBox: {
      url: 'https://{s}.tiles.mapbox.com/v3/{mapid}/{z}/{x}/{y}.png',
      options: {
        attribution:
          '<a href="http://www.mapbox.com/about/maps/" target="_blank">Mapbox</a> &mdash; ' + 'Map data {attribution.OpenStreetMap}'
      }
    },
    Stamen: {
      url: 'http://{s}.tile.stamen.com/toner/{z}/{x}/{y}.png',
      options: {
        attribution:
          'Map tiles by <a href="http://stamen.com">Stamen Design</a>, ' +
          '<a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a> &mdash; ' +
          'Map data {attribution.OpenStreetMap}',
        subdomains: 'abcd',
        minZoom: 0,
        maxZoom: 20
      },
      variants: {
        Toner: {},
        TonerBackground: {
          url: 'http://{s}.tile.stamen.com/toner-background/{z}/{x}/{y}.png'
        },
        TonerHybrid: {
          url: 'http://{s}.tile.stamen.com/toner-hybrid/{z}/{x}/{y}.png'
        },
        TonerLines: {
          url: 'http://{s}.tile.stamen.com/toner-lines/{z}/{x}/{y}.png'
        },
        TonerLabels: {
          url: 'http://{s}.tile.stamen.com/toner-labels/{z}/{x}/{y}.png'
        },
        TonerLite: {
          url: 'http://{s}.tile.stamen.com/toner-lite/{z}/{x}/{y}.png'
        },
        Terrain: {
          url: 'http://{s}.tile.stamen.com/terrain/{z}/{x}/{y}.jpg',
          options: {
            minZoom: 4,
            maxZoom: 18
          }
        },
        TerrainBackground: {
          url: 'http://{s}.tile.stamen.com/terrain-background/{z}/{x}/{y}.jpg',
          options: {
            minZoom: 4,
            maxZoom: 18
          }
        },
        Watercolor: {
          url: 'http://{s}.tile.stamen.com/watercolor/{z}/{x}/{y}.jpg',
          options: {
            minZoom: 3,
            maxZoom: 16
          }
        }
      }
    },
    Esri: {
      url: 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/{z}/{y}/{x}',
      options: {
        attribution: 'Tiles &copy; Esri'
      },
      variants: {
        WorldStreetMap: {
          options: {
            attribution:
              '{attribution.Esri} &mdash; ' +
              'Source: Esri, DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand), TomTom, 2012'
          }
        },
        DeLorme: {
          url: 'http://server.arcgisonline.com/ArcGIS/rest/services/Specialty/DeLorme_World_Base_Map/MapServer/tile/{z}/{y}/{x}',
          options: {
            minZoom: 1,
            maxZoom: 11,
            attribution: '{attribution.Esri} &mdash; Copyright: &copy;2012 DeLorme'
          }
        },
        WorldTopoMap: {
          url: 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/{z}/{y}/{x}',
          options: {
            attribution:
              '{attribution.Esri} &mdash; ' +
              'Esri, DeLorme, NAVTEQ, TomTom, Intermap, iPC, USGS, FAO, NPS, NRCAN, GeoBase, Kadaster NL, Ordnance Survey, Esri Japan, METI, Esri China (Hong Kong), and the GIS User Community'
          }
        },
        WorldImagery: {
          url: 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}',
          options: {
            attribution:
              '{attribution.Esri} &mdash; ' +
              'Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community'
          }
        },
        WorldTerrain: {
          url: 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Terrain_Base/MapServer/tile/{z}/{y}/{x}',
          options: {
            maxZoom: 13,
            attribution:
              '{attribution.Esri} &mdash; ' +
              'Source: USGS, Esri, TANA, DeLorme, and NPS'
          }
        },
        WorldShadedRelief: {
          url: 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Shaded_Relief/MapServer/tile/{z}/{y}/{x}',
          options: {
            maxZoom: 13,
            attribution: '{attribution.Esri} &mdash; Source: Esri'
          }
        },
        WorldPhysical: {
          url: 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Physical_Map/MapServer/tile/{z}/{y}/{x}',
          options: {
            maxZoom: 8,
            attribution: '{attribution.Esri} &mdash; Source: US National Park Service'
          }
        },
        OceanBasemap: {
          url: 'http://services.arcgisonline.com/ArcGIS/rest/services/Ocean_Basemap/MapServer/tile/{z}/{y}/{x}',
          options: {
            maxZoom: 13,
            attribution: '{attribution.Esri} &mdash; Sources: GEBCO, NOAA, CHS, OSU, UNH, CSUMB, National Geographic, DeLorme, NAVTEQ, and Esri'
          }
        },
        NatGeoWorldMap: {
          url: 'http://services.arcgisonline.com/ArcGIS/rest/services/NatGeo_World_Map/MapServer/tile/{z}/{y}/{x}',
          options: {
            maxZoom: 16,
            attribution: '{attribution.Esri} &mdash; National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, iPC'
          }
        },
        WorldGrayCanvas: {
          url: 'http://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer/tile/{z}/{y}/{x}',
          options: {
            maxZoom: 16,
            attribution: '{attribution.Esri} &mdash; Esri, DeLorme, NAVTEQ'
          }
        }
      }
    },
    OpenWeatherMap: {
      options: {
        attribution: 'Map data &copy; <a href="http://openweathermap.org">OpenWeatherMap</a>',
        opacity: 0.5
      },
      variants: {
        Clouds: {
          url: 'http://{s}.tile.openweathermap.org/map/clouds/{z}/{x}/{y}.png'
        },
        CloudsClassic: {
          url: 'http://{s}.tile.openweathermap.org/map/clouds_cls/{z}/{x}/{y}.png'
        },
        Precipitation: {
          url: 'http://{s}.tile.openweathermap.org/map/precipitation/{z}/{x}/{y}.png'
        },
        PrecipitationClassic: {
          url: 'http://{s}.tile.openweathermap.org/map/precipitation_cls/{z}/{x}/{y}.png'
        },
        Rain: {
          url: 'http://{s}.tile.openweathermap.org/map/rain/{z}/{x}/{y}.png'
        },
        RainClassic: {
          url: 'http://{s}.tile.openweathermap.org/map/rain_cls/{z}/{x}/{y}.png'
        },
        Pressure: {
          url: 'http://{s}.tile.openweathermap.org/map/pressure/{z}/{x}/{y}.png'
        },
        PressureContour: {
          url: 'http://{s}.tile.openweathermap.org/map/pressure_cntr/{z}/{x}/{y}.png'
        },
        Wind: {
          url: 'http://{s}.tile.openweathermap.org/map/wind/{z}/{x}/{y}.png'
        },
        Temperature: {
          url: 'http://{s}.tile.openweathermap.org/map/temp/{z}/{x}/{y}.png'
        },
        Snow: {
          url: 'http://{s}.tile.openweathermap.org/map/snow/{z}/{x}/{y}.png'
        }
      }
    },
    Nokia: { // do not appear to work
      options: {
        attribution:
          'Map &copy; <a href="http://developer.here.com">Nokia</a>, Data &copy; NAVTEQ 2012',
        subdomains: '1234',
        devID: 'xyz', //These basemaps are free and you can sign up here:  http://developer.here.com/
        appID: 'abc'
      },
      variants: {
        normalDay: {
          url: 'http://{s}.maptile.lbs.ovi.com/maptiler/v2/maptile/newest/normal.day/{z}/{x}/{y}/256/png8?token={devID}&app_id={appID}'
        },
        normalGreyDay: {
          url: 'http://{s}.maptile.lbs.ovi.com/maptiler/v2/maptile/newest/normal.day.grey/{z}/{x}/{y}/256/png8?token={devID}&app_id={appID}'
        },
        satelliteNoLabelsDay: {
          url: 'http://{s}.maptile.lbs.ovi.com/maptiler/v2/maptile/newest/satellite.day/{z}/{x}/{y}/256/png8?token={devID}&app_id={appID}'
        },
        satelliteYesLabelsDay: {
          url: 'http://{s}.maptile.lbs.ovi.com/maptiler/v2/maptile/newest/hybrid.day/{z}/{x}/{y}/256/png8?token={devID}&app_id={appID}'
        },
        terrainDay: {
          url: 'http://{s}.maptile.lbs.ovi.com/maptiler/v2/maptile/newest/terrain.day/{z}/{x}/{y}/256/png8?token={devID}&app_id={appID}'
        }
      }
    },
    Acetate: {
      url: 'http://a{s}.acetate.geoiq.com/tiles/acetate-hillshading/{z}/{x}/{y}.png',
      options: {
        attribution:
          '&copy;2012 Esri & Stamen, Data from OSM and Natural Earth',
        subdomains: '0123',
        minZoom: 2,
        maxZoom: 18
      },
      variants: {
        all: {},
        basemap: {
          url: 'http://a{s}.acetate.geoiq.com/tiles/acetate-base/{z}/{x}/{y}.png'
        },
        terrain: {
          url: 'http://a{s}.acetate.geoiq.com/tiles/terrain/{z}/{x}/{y}.png'
        },
        foreground: {
          url: 'http://a{s}.acetate.geoiq.com/tiles/acetate-fg/{z}/{x}/{y}.png'
        },
        roads: {
          url: 'http://a{s}.acetate.geoiq.com/tiles/acetate-roads/{z}/{x}/{y}.png'
        },
        labels: {
          url: 'http://a{s}.acetate.geoiq.com/tiles/acetate-labels/{z}/{x}/{y}.png'
        },
        hillshading: {
          url: 'http://a{s}.acetate.geoiq.com/tiles/hillshading/{z}/{x}/{y}.png'
        }
      }
    },
    CloudMade: {
      url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}/256/{z}/{x}/{y}.png{styleToken}',
      options: {
        attribution:
          'Map data {attribution.OpenStreetMap} ' +
          'Map tile imagery &copy; <a target="_blank" href="http://cloudmade.com">CloudMade</a>',
        minZoom: 0,
        apiKey: 'abc', // Sign up for an API key at http://cloudmade.com/ - first 500,000 tile requests are free
        styleID: '1',
				styleToken: ''
      },
      variants: {
        standardResolution: {
          maxZoom: 18
        },
        standardResolution1: {
          maxZoom: 18
        },
        standardResolution2: {
          maxZoom: 18
        },
        standardResolution3: {
          maxZoom: 18
        },
        standardResolution4: {
          maxZoom: 18
        },
        standardResolution5: {
          maxZoom: 18
        },
        highResolution: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/256/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution1: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/256/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution2: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/256/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution3: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/256/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution4: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/256/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution5: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/256/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution1s: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/64/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution2s: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/64/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution3s: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/64/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution4s: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/64/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        },
        highResolution5s: {
          url: 'http://{s}.tile.cloudmade.com/{apiKey}/{styleID}@2x/64/{z}/{x}/{y}.png{styleToken}',
          maxZoom: 19
        }
      }
    }
  };

  L.tileLayer.provider = function (provider, options) {
    return new L.TileLayer.Provider(provider, options);
  };

  L.Control.Layers.Provided = L.Control.Layers.extend({
    initialize: function (base, overlay, options) {
      var first;

      var labelFormatter = function (label) {
        return label.replace(/\./g, ': ').replace(/([a-z])([A-Z])/g, '$1 $2');
      };

      if (base.length) {
        (function () {
          var out = {},
              len = base.length,
              i = 0;

          while (i < len) {
            if (typeof base[i] === 'string') {
              if (i === 0) {
                first = L.tileLayer.provider(base[0]);
                out[labelFormatter(base[i])] = first;
              } else {
                out[labelFormatter(base[i])] = L.tileLayer.provider(base[i]);
              }
            }
            i++;
          }
          base = out;
        }());
        this._first = first;
      }

      if (overlay && overlay.length) {
        (function () {
          var out = {},
              len = overlay.length,
              i = 0;

          while (i < len) {
            if (typeof base[i] === 'string') {
              out[labelFormatter(overlay[i])] = L.tileLayer.provider(overlay[i]);
            }
            i++;
          }
          overlay = out;
        }());
      }
      L.Control.Layers.prototype.initialize.call(this, base, overlay, options);
    },
    onAdd: function (map) {
      this._first.addTo(map);
      return L.Control.Layers.prototype.onAdd.call(this, map);
    }
  });

  L.control.layers.provided = function (baseLayers, overlays, options) {
    return new L.Control.Layers.Provided(baseLayers, overlays, options);
  };
}());
