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#! /bin/sh
# ------------------------------------------------------------------------------ 
# SOME INFOS : fairly standard (debian) init script.
#                 Note that node doesn't create a PID file (hence --make-pidfile) 
#                 has to be run in the background (hence --background)
#                 and NOT as root (hence --chuid)
#
# MORE INFOS :  INIT SCRIPT       http://www.debian.org/doc/debian-policy/ch-opersys.html#s-sysvinit
#               INIT-INFO RULES   http://wiki.debian.org/LSBInitScripts
#               INSTALL/REMOVE    http://www.debian-administration.org/articles/28

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const width  = $('svg').parent().width();
const height = width / 2.4;
const svg    = d3.select('svg');

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svg.attr('width', width);
svg.attr('height', height);

const margin = {
  top    : 20,
  right  : 80,
  bottom : 30,
  left   : 30
};

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const x = d3.scaleTime().rangeRound([0, chartWidth]);
const y = d3.scaleLinear().rangeRound([chartHeight, 0]);
const color = d3.scaleOrdinal(d3.schemeCategory10);
const timeFormat  = d3.timeParse("%Y-%m-%d"),
const bisectDate  = d3.bisector(d => parseTime(d.x)).left;

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const color = d3.scaleOrdinal([
  "#3498db",
  "#2ecc71",
  "#f1c40f",
  "#e74c3c",
  "#9b59b6",
  "#f39c12",
  "#1abc9c"
]);

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const line = d3.line()
  .x((d) => x(d.date))
	.y((d) => y(d.count))

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color.domain(d3.keys(data[0]).filter((key) => key !== 'date')

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data.forEach(d => {
  d.date = timeFormat(d.date);
});

const metrics = color.domain().map(name => {{
  name   : name,
  values : data.map(d => {{
    date  : d.date,
    count : +d[name]
  }}

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x.domain(d3.extent(data, d => d.date));
y.domain([
		d3.min(metrics, c => d3.min(c.values, v => v.count)),
		d3.max(metrics, c => d3.max(c.values, v => v.count))
]);

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chartContainer
  .append('g')
    .attr('class', 'x axis')
    .attr('transform', 'translate(0,' + height + ')')
    .style('storke', '#000')
    .call(d3.axisBottom(x));

chartContainer
  .append('g')
    .attr('class', 'y axis')