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{% import "{{{ .Package }}}/app/util" %}

{% func PlotAssets() %}
  <script src="/assets/plot/d3.min.js" type="application/javascript" defer="defer"></script>
  <script src="/assets/plot/plot.min.js" type="application/javascript" defer="defer"></script>
{% endfunc %}

{% func PlotCall(id string, call string) %}
    function createPlot(div) {
      function render() {
        const plot = {%s call %};
        div.innerHTML = "";
        div.appendChild(plot);
      }

      window.addEventListener('resize', render);
      render();

      return () => {
        window.removeEventListener('resize', render);
      };
    }

    document.addEventListener("DOMContentLoaded", () => {
      const div = document.querySelector("#{%s id %}");
      const cancel = createPlot(div);
    });
{% endfunc %}

{% func PlotHorizontalBar(id string, data []util.ValueMap, x string, y string, title string, marginLeft int) %}
  <script type="module">
    // files: ${d.files}\nsize: ${d.size.toLocaleString()} bytes
    const data = {%s= util.ToJSON(data) %};

    function horizontalBar(div) {
      const height = {%d (len(data) * 24) + 48 %};
      const width = div.clientWidth;
      const color = { legend: false };
      const marginLeft = {%d marginLeft %};
      const marks = [Plot.barX(data, { x: "{%s x %}", fill: "{%s y %}", y: "{%s y %}", title: d => `{%s title %}`, marginLeft })];
      return Plot.plot({ height, width, color, marks });
    }

    {%= PlotCall(id, "horizontalBar(div)") %}
  </script>
{% endfunc %}