// Generated by CoffeeScript 1.10.0
(function() {
  var contents, graticule, height, path, projection, svg, width, zoom, zoomable_layer;

  svg = d3.select('svg');

  width = svg.node().getBoundingClientRect().width;

  height = svg.node().getBoundingClientRect().height;

  zoomable_layer = svg.append('g');

  zoom = d3.zoom().scaleExtent([-Infinity, Infinity]).on('zoom', function() {
    zoomable_layer.attrs({
      transform: d3.event.transform
    });
    return zoomable_layer.selectAll('.label > text').attrs({
      transform: "scale(" + (1 / d3.event.transform.k) + ")"
    });
  });

  svg.call(zoom);

  projection = d3.geoWinkel3().rotate([0, 0]).center([0, 0]).scale((width - 3) / (2 * Math.PI)).translate([width / 2, height / 2]);

  path = d3.geoPath(projection);

  graticule = d3.geoGraticule();

  svg.append('defs').append('path').datum(graticule.outline()).attrs({
    id: 'sphere',
    d: path
  });

  zoomable_layer.append('use').attrs({
    "class": 'sphere_fill',
    'xlink:href': '#sphere'
  });

  contents = zoomable_layer.append('g');

  zoomable_layer.append('path').datum(graticule).attrs({
    "class": 'graticule',
    d: path
  });

  zoomable_layer.append('use').attrs({
    "class": 'sphere_stroke',
    'xlink:href': '#sphere'
  });

  d3.json('https://unpkg.com/world-atlas@1/world/50m.json', function(geo_data) {
    return d3.tsv('https://unpkg.com/world-atlas@1/world/50m.tsv', function(data) {
      var countries, countries_data, en_countries, en_labels, index, labels;
      index = {};
      data.forEach(function(d) {
        return index[d.iso_n3] = d;
      });
      countries_data = topojson.feature(geo_data, geo_data.objects.countries).features;
      countries = contents.selectAll('.country').data(countries_data);
      en_countries = countries.enter().append('path').attrs({
        "class": 'country',
        d: path
      });
      en_countries.append('title').text(function(d) {
        if (d.id === '-99') {
          return 'invalid ISO code';
        } else {
          return index[d.id].formal_en;
        }
      });
      labels = contents.selectAll('.label').data(countries_data);
      en_labels = labels.enter().append('g').attrs({
        "class": 'label',
        transform: function(d) {
          var ref, x, y;
          ref = projection(d3.geoCentroid(d)), x = ref[0], y = ref[1];
          return "translate(" + x + "," + y + ")";
        }
      }).classed('error', function(d) {
        return d.id === '-99';
      });
      return en_labels.append('text').text(function(d) {
        return index[d.id].iso_a2;
      });
    });
  });

}).call(this);