import { Component, AfterViewInit, OnDestroy, ViewChild } from '@angular/core';
import {
  ChartComponent,
  ApexAxisChartSeries,
  ApexNonAxisChartSeries,
  ApexChart,
  ApexXAxis,
  ApexYAxis,
  ApexTitleSubtitle,
  ApexDataLabels,
  ApexStroke,
  ApexFill,
  ApexLegend,
  ApexTooltip,
  ApexMarkers,
  ApexPlotOptions,
  ApexResponsive,
  ApexGrid,
  ApexAnnotations,
  ApexStates,
  ApexTheme,
  NgApexchartsModule,
} from 'ng-apexcharts';

export type ChartOptions = {
  series?: ApexAxisChartSeries | ApexNonAxisChartSeries;
  chart?: ApexChart;
  xaxis?: ApexXAxis;
  yaxis?: ApexYAxis | ApexYAxis[];
  title?: ApexTitleSubtitle;
  subtitle?: ApexTitleSubtitle;
  dataLabels?: ApexDataLabels;
  stroke?: ApexStroke;
  fill?: ApexFill;
  legend?: ApexLegend;
  tooltip?: ApexTooltip;
  markers?: ApexMarkers;
  plotOptions?: ApexPlotOptions;
  responsive?: ApexResponsive[];
  grid?: ApexGrid;
  annotations?: ApexAnnotations;
  states?: ApexStates;
  theme?: ApexTheme;
  colors?: string[];
  labels?: any;
};

@Component({
  selector: 'app-chart',
  standalone: true,
  imports: [NgApexchartsModule],
  templateUrl: './chart.component.html',
})
export class AppChart implements AfterViewInit, OnDestroy {
  @ViewChild('chart') chart!: ChartComponent;
  private sample = (mean: any, sd: any, n: any): any => {
        var points = []
        for (var k = 0; k < n; k++) {
          var u1 = Math.random(),
            u2 = Math.random()
          var g = Math.sqrt(-2 * Math.log(u1)) * Math.cos(2 * Math.PI * u2)
          points.push(Math.round((mean + g * sd) * 10) / 10)
        }
        return points
      };

  private RAINCLOUD_LAYOUTS: any = {
        classic: {
          side: 'right',
          box: { show: true },
          points: { show: true, position: 'left' },
        },
        'cloud-rain': {
          side: 'right',
          box: { show: false },
          points: { show: true, position: 'left' },
        },
        'cloud-box': {
          side: 'right',
          box: { show: true },
          points: { show: false, position: 'left' },
        },
        overlay: {
          side: 'both',
          box: { show: true },
          points: { show: true, position: 'center', constrainToViolin: true },
        },
      };

  private layoutButtons: any = Array.prototype.slice.call(
          document.querySelectorAll('.controls button[data-layout]'),
        );

  public chartOptions: Partial<ChartOptions> = {
          series: [
            {
              name: 'Measurement',
              data: [
                { x: 'North', points: this.sample(52, 9, 160) },
                { x: 'East', points: this.sample(61, 6, 160) },
                { x: 'South', points: this.sample(47, 12, 160) },
              ],
            },
          ],
          chart: {
            id: 'raincloudVariations',
            type: 'raincloud',
            height: 420,
          },
          colors: ['#14b8a6'],
          title: {
            text: 'One distribution chart, four layouts',
            align: 'left',
          },
          yaxis: {
            title: {
              text: 'Measurement',
            },
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJleHBpcnlEYXRlIjoiMjEyNi0wNy0wNCIsImlzc3VlRGF0ZSI6IjIwMjYtMDctMjgiLCJwbGFuIjoicHJlbWl1bSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiLCJsb2NhbGhvc3QiXSwic2lnIjoieVBmb1VCc0Z3TU9ZdUEyaEZkR0I2Y1FtZ0JITUtXcVdJSjB2NVRESXRZbFR3eDJMUmh6R2x0RUc3VXJ4X0s3b25ZMWRZb2Z2VGItN01ydFYyNDVyOWcifQ==');

    this.layoutButtons.forEach(function (btn) {
            btn.addEventListener('click', () => {
              this.layoutButtons.forEach(function (b) {
                b.classList.remove('active')
              })
              btn.classList.add('active')
              this.chart.updateOptions({
                plotOptions: {
                  violin: this.RAINCLOUD_LAYOUTS[btn.getAttribute('data-layout')],
                },
              })
            })
          })
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}