// Generated by CoffeeScript 1.10.0
(function() {
  var EUCLIDEAN, MANHATTAN, MAX_DISTANCE, SIZE, height, make_change, map, redraw, svg, vis, width, zoom, zoomable_layer,
    indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };

  svg = d3.select('svg');

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

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

  zoomable_layer = svg.append('g');

  zoom = d3.behavior.zoom().scaleExtent([0, 10]).on('zoom', function() {
    return zoomable_layer.attr({
      transform: "translate(" + (zoom.translate()) + ")scale(" + (zoom.scale()) + ")"
    });
  });

  svg.call(zoom);

  map = zoomable_layer.append('g').attr('transform', "translate(0,0)");

  vis = map.append('g').attr('transform', "translate(" + (width / 2) + "," + (height / 2) + ")");

  SIZE = 13;

  EUCLIDEAN = function(a, b) {
    var i, j, ref, total;
    total = 0;
    for (i = j = 0, ref = a.vector.length; 0 <= ref ? j < ref : j > ref; i = 0 <= ref ? ++j : --j) {
      total += Math.pow(b.vector[i] - a.vector[i], 2);
    }
    return Math.sqrt(total);
  };

  MANHATTAN = function(a, b) {
    var i, j, ref, total;
    total = 0;
    for (i = j = 0, ref = a.vector.length; 0 <= ref ? j < ref : j > ref; i = 0 <= ref ? ++j : --j) {
      total += Math.abs(b.vector[i] - a.vector[i]);
    }
    return total;
  };

  MAX_DISTANCE = function(a, b) {
    var i, j, max, ref;
    max = 0;
    for (i = j = 0, ref = a.vector.length; 0 <= ref ? j < ref : j > ref; i = 0 <= ref ? ++j : --j) {
      max = Math.max(max, Math.abs(b.vector[i] - a.vector[i]));
    }
    return max;
  };

  redraw = function(filename, threshold, criterium) {
    return d3.json(filename, function(error, data) {
      var cell, clusters, clusters_t, color, enter_cell, flat_clusters, items, make_flat, predicates_data, scale, sequence, tree;
      items = [];
      predicates_data = {};
      color = d3.scale.category20();
      data.forEach(function(e1) {
        var vector;
        vector = [];
        e1.predicates.forEach(function(e2) {
          var ref;
          vector.push(e2.value);
          if (ref = e2.p, indexOf.call(Object.keys(predicates_data), ref) < 0) {
            predicates_data[e2.p] = 0;
          }
          return predicates_data[e2.p] += e2.value;
        });
        return items.push({
          instance: e1.i,
          vector: vector
        });
      });
      clusters_t = clusterfck.hcluster(items, criterium, clusterfck.SINGLE_LINKAGE, threshold);
      console.log(clusters_t);
      flat_clusters = {};
      make_flat = function(node, index) {
        if (node.value == null) {
          make_flat(node.right, index);
          return make_flat(node.left, index);
        } else {
          return flat_clusters[node.value.instance] = index;
        }
      };
      clusters_t.forEach(function(d, i) {
        return make_flat(d, i);
      });
      console.log(flat_clusters);
      clusters = clusterfck.hcluster(items, criterium, clusterfck.SINGLE_LINKAGE);
      tree = tree_utils.binary_to_std(clusters);
      tree_utils.recursive_sort(tree, function(a, b) {
        return b.key - a.key;
      }, function(n) {
        if (n.children != null) {
          return n.key = d3.min(n.children, function(c) {
            return c.key;
          });
        } else {
          return n.key = n.value.vector.reduce(function(t, s) {
            return t + s;
          });
        }
      });
      sequence = tree_utils.get_leaves(tree).map(function(d) {
        return d.value;
      });
      scale = 30;
      sfc_layout.displace(sequence, sfc_layout.GOSPER_NODE, scale, scale, -2 * Math.PI / 6);
      cell = vis.selectAll('.cell').data(items, function(d) {
        return d.instance + "_" + criterium + "_" + threshold;
      });
      enter_cell = cell.enter().append('path').attr({
        "class": 'cell'
      });
      enter_cell.append('title');
      cell.select('title').text(function(d) {
        return d.instance.replace('http://dbpedia.org/resource/', '').replace(/_/g, ' ') + " " + flat_clusters[d.instance];
      });
      cell.attr({
        d: jigsaw.hex_generate_svg_path(scale),
        fill: function(d) {
          return color(flat_clusters[d.instance]);
        },
        stroke: function(d) {
          return color(flat_clusters[d.instance]);
        },
        transform: function(d) {
          return "translate(" + d.x + "," + d.y + ") rotate(30)";
        }
      });
      return cell.exit().remove();
    });
  };

  redraw('guitarist.json', 5, EUCLIDEAN);

  make_change = function(filename, threshold, criterium) {
    if (criterium === 'euclidean') {
      return redraw(filename, parseFloat(threshold), EUCLIDEAN);
    } else if (criterium === 'manhattan') {
      return redraw(filename, parseFloat(threshold), MANHATTAN);
    } else {
      return redraw(filename, parseFloat(threshold), MAX_DISTANCE);
    }
  };

  d3.select('select#criterium').on('change', function() {
    return make_change(d3.select('select#file')[0][0].value, d3.select('input')[0][0].value, this.value);
  });

  d3.select('select#file').on('change', function() {
    return make_change(this.value, d3.select('input')[0][0].value, d3.select('select#criterium')[0][0].value);
  });

  d3.select('#threshold_slider').on('change', function() {
    d3.select('#threshold_val')[0][0].value = this.value;
    return make_change(d3.select('select#file')[0][0].value, this.value, d3.select('select#criterium')[0][0].value);
  });

}).call(this);