var margin10 = {top: 20, right: 20, bottom: 30, left: 40},
    width10 = 960 - margin.left - margin.right,
    height10 = 500 - margin.top - margin.bottom;

var x10 = d3.scale.ordinal()
    .rangeRoundBands([0, width10], .1);

var y10 = d3.scale.linear()
    .range([height10, 0], 0.1);

var xAxis10 = d3.svg.axis()
    .scale(x10)
    .orient("bottom");

var yAxis10 = d3.svg.axis()
    .scale(y10)
    .orient("left")
    .tickSize(0)
    .tickPadding(10);

var cValue10 = function(d) { if ( d.SubClass == "Americas") { return "#35586C";}
                            else { if ( d.SubClass == "Europe") { return "#8E2323";}
                                   else { if ( d.SubClass == "EasternEurope") { return "#5C5C5C";}
                                          else { if ( d.SubClass == "Asia") { return "#FF8600";}
                                                else { if ( d.SubClass == "SouthAsia") { return "#397D02";}
                                                      else { if ( d.SubClass == "Oceania") { return "#388E8E";}
                                                            else { return "#5E2D79";}
                                                          }
                                                      }
                                                }
                                        }
                                  }


                          };


var tooltip = d3.select("body").append("div")
    .attr("class", "tooltip")
    .style("opacity", 0);


var svg10 = d3.select("body").append("svg")
    .attr("width", width10 + margin10.left + margin10.right)
    .attr("height", height10 + margin10.top + margin10.bottom)
  .append("g")
    .attr("transform", "translate(" + margin10.left + "," + margin10.top + ")");

d3.csv("Correlations2.csv", type, function(error, data) {
  x10.domain(data.map(function(d) { if (d.Type == "Country") {return d.Class;} }));
  //y9.domain(d3.extent(data, function(d) { return d.Corr; })).nice();
  y10.domain([-.8,.8]);

  svg10.selectAll(".bar")
      .data(data)
    .enter().append("rect")
    .filter(function(d) {return (d.Type == "Country")})
   // .attr("class", function(d) { return "bar bar--" + (d.Corr < 0 ? "negative" : "positive"); })
    .style("fill", cValue10)
    .attr("x", function(d) { return x10(d.Class); }) 
    .attr("y", function(d) { return y10(Math.max(0, d.Corr)); })
    .attr("width", x10.rangeBand())
    .attr("height", function(d) { return Math.abs(y10(d.Corr) - y10(0)); })
          .on("mouseover", function(d) {
          tooltip.transition()
               .duration(200)
               .style("opacity", .9);
          tooltip.html(d["Class"] + "<br/> (" + d.Corr + ")")
               .style("left", (d3.event.pageX -5) + "px")
               .style("top", (d3.event.pageY + 50) + "px");
      })
      .on("mouseout", function(d) {
          tooltip.transition()
               .duration(500)
               .style("opacity", 0);
      });


  svg10.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height10 + ")")
      .call(xAxis10)
    .append("text")
      .attr("class", "label")
      .attr("x", width10)
      .attr("y", -10)
      .style("text-anchor", "end")
      .text("Region");
      //.text("Region");

  svg10.append("g")
      .attr("class", "y axis")
      .attr("transform", "translate(" + 0 + ",0)")
      .call(yAxis10)
    .append("text")
      .attr("class", "label")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("Corr FX Rate and GDP Change");;

  //Add Title
  svg10.append("text")
        .attr("x", (width10 / 2))             
        .attr("y", 0 - (margin10.top / 6))
        .attr("text-anchor", "middle")  
        .style("font-size", "16px") 
        .style("text-decoration", "underline")  
        .text("Country Correlation");

  var regions = ["Americas","Europe", "EasternEurope","Asia","SouthAsia","Oceania", "Africa"]

  // draw legend
  var legend = svg10.selectAll(".legend")
      .data(regions)
    .enter().append("g")
      .attr("class", "legend")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });

  // draw legend colored rectangles
  legend.append("rect")
      .attr("x", width10 - 18)
      .attr("y",  12)
      .attr("width", 18)
      .attr("height", 18)
      .style("fill", function(d) { if ( d == "Americas") { return "#35586C";}
                                    else { if ( d == "Europe") { return "#8E2323";}
                                           else { if ( d == "EasternEurope") { return "#5C5C5C";}
                                                  else { if ( d == "Asia") { return "#FF8600";}
                                                        else { if ( d == "SouthAsia") { return "#397D02";}
                                                              else { if ( d == "Oceania") { return "#388E8E";}
                                                                    else { return "#5E2D79";}
                                                                  }
                                                              }
                                                        }
                                                }
                                          }
                                  } 
                        );

  // draw legend text
  legend.append("text")
      .attr("x", width10 - 24)
      .attr("y",  20)
      .attr("dy", ".35em")
      .style("text-anchor", "end")
      .text(function(d) { return d;})
});

function type(d) {
  d.value = +d.Corr;
  return d;
}