import DataGridXL from "path/to/DataGridXL.js";

// import * as am5 from "@amcharts/amcharts5";
// import * as am5xy from "@amcharts/amcharts5/xy";
// import am5themes_Animated from "@amcharts/amcharts5/themes/Animated";

export function init(){

  // Set data
  const data = [{
    country: "USA",
    value: 2025
  }, {
    country: "China",
    value: 1882
  }, {
    country: "Japan",
    value: 1809
  }, {
    country: "Germany",
    value: 1322
  }, {
    country: "UK",
    value: 1122
  }, {
    country: "France",
    value: 1114
  }, {
    country: "India",
    value: 984
  }, {
    country: "Spain",
    value: 711
  }, {
    country: "Netherlands",
    value: 665
  }, {
    country: "South Korea",
    value: 443
  }, {
    country: "Canada",
    value: 441
  }];

  let series;

  am5.ready(function() {

    // Create root element
    // https://www.amcharts.com/docs/v5/getting-started/#Root_element
    const root = am5.Root.new("chart");
    
    // Set themes
    // https://www.amcharts.com/docs/v5/concepts/themes/
    root.setThemes([
      am5themes_Animated.new(root)
    ]);
    
    // Create chart
    // https://www.amcharts.com/docs/v5/charts/xy-chart/
    const chart = root.container.children.push(am5xy.XYChart.new(root, {
      panX: true,
      panY: true,
      wheelX: "panX",
      wheelY: "zoomX",
      pinchZoomX: true,
      paddingLeft:0,
      paddingRight:1
    }));
    
    // Add cursor
    // https://www.amcharts.com/docs/v5/charts/xy-chart/cursor/
    const cursor = chart.set("cursor", am5xy.XYCursor.new(root, {}));
    cursor.lineY.set("visible", false);
    
    // Create axes
    // https://www.amcharts.com/docs/v5/charts/xy-chart/axes/
    const xRenderer = am5xy.AxisRendererX.new(root, { 
      minGridDistance: 30, 
      minorGridEnabled: true
    });
    
    xRenderer.labels.template.setAll({
      rotation: -90,
      centerY: am5.p50,
      centerX: am5.p100,
      paddingRight: 15
    });
    
    xRenderer.grid.template.setAll({
      location: 1
    })
    
    const xAxis = chart.xAxes.push(am5xy.CategoryAxis.new(root, {
      maxDeviation: 0.3,
      categoryField: "country",
      renderer: xRenderer,
      tooltip: am5.Tooltip.new(root, {})
    }));
    
    const yRenderer = am5xy.AxisRendererY.new(root, {
      strokeOpacity: 0.1
    })
    
    const yAxis = chart.yAxes.push(am5xy.ValueAxis.new(root, {
      maxDeviation: 0.3,
      renderer: yRenderer
    }));
    
    // Create series
    // https://www.amcharts.com/docs/v5/charts/xy-chart/series/
    series = chart.series.push(am5xy.ColumnSeries.new(root, {
      name: "Series 1",
      xAxis: xAxis,
      yAxis: yAxis,
      valueYField: "value",
      sequencedInterpolation: true,
      categoryXField: "country",
      tooltip: am5.Tooltip.new(root, {
        labelText: "{valueY}"
      })
    }));
    
    series.columns.template.setAll({ cornerRadiusTL: 5, cornerRadiusTR: 5, strokeOpacity: 0 });
    series.columns.template.adapters.add("fill", function (fill, target) {
      return chart.get("colors").getIndex(series.columns.indexOf(target));
    });
    
    series.columns.template.adapters.add("stroke", function (stroke, target) {
      return chart.get("colors").getIndex(series.columns.indexOf(target));
    });
    
    xAxis.data.setAll(data);
    series.data.setAll(data);
    
    // Make stuff animate on load
    // https://www.amcharts.com/docs/v5/concepts/animations/
    series.appear(1000);
    chart.appear(1000, 100);
    
  });

  // create grid
  const grid = new DataGridXL("grid", {
    licenseKey: "your_license_key",
    data,
    columns: [{
      source: "country",
      title: "Country",
      readOnly: true
    }, {
      source: "value",
      title: "Value",
      validateFunction(cell){
        return !isNaN(cell.value);
      }
    }],
    allowMoveRows: false,
    allowInsertRows: false,
    allowDeleteRows: false,
    allowHideRows: false,
    allowInsertCols: false,
    allowDeleteCols: false,
    allowMoveCols: false,
    allowHideCols: false,
    allowSort: false,
    bottomBar: []
  });

  grid.events.on('$setcellvaluesbatch', (event) => {

    event.rowIds.forEach((rowId,index) => {

      // skip if NaN
      if(isNaN(event.values[index][0])) return;

      series.data.setIndex(rowId-1, {
        country: data[rowId-1].country,
        value: Number(event.values[index][0])
      });

    });

  });

}