// Investigating response to : https://stackoverflow.com/questions/47963204/adding-axes-eats-up-my-data
var GIST = "https://gist.githubusercontent.com/charisseysabel/f8f48fbf11b8a1b0d62cbe2d6bdc2aa6/raw/2ead1537adb822fbd59a666afd5334d525480a13/nano-2017.tsv";

var width = 1000,
height = 550,
margin = {top: 20, right: 30, bottom: 30, left: 4};

var y = d3.scaleLinear()
.range([height, 0]);


var yScale = d3.scaleLinear()
    .range([height, 0]);
var xScale = d3.scaleLinear()
    .range([0, width]);

var xAxis = d3.axisLeft(yScale);
var yAxis = d3.axisBottom(xScale);

var chart = d3.select(".chart")
.attr("width", width)
.attr("height", height);

d3.tsv(GIST, type, function(error, data) {
  y.domain([0, d3.max(data, function(d) { return d.value; })]);
  
  var barWidth = width / data.length;

  var bar = chart.selectAll(null)
      .data(data)
      .enter().append("g")
        .attr("transform", function(d, i) {
          return "translate(" + ((i * barWidth) + 10) + ",0)"; }
    );

  bar.append("rect")
      .attr("y", function(d) { return y(d.value); })
      .attr("height", function(d) { return height - y(d.value); })
      .attr("width", barWidth - 1);

  bar.append("text")
      .attr("x", (barWidth / 2) - 2)
      .attr("y", function(d) { return y(d.value) + 3; })
      .attr("dy", ".75em")
      .text(function(d) { return d.value; });
});

chart.append("g")
    .attr("transform", "translate(10, 0)")
    .call(xAxis);

chart.append("g")
    .attr("transform", "translate(0, 540)")
    .call(yAxis);

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