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 PERSON_ICON: any = 'data:image/svg+xml,' +
          encodeURIComponent(
            '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="#5B8DEF">' +
              '<circle cx="12" cy="7" r="4"/>' +
              '<path d="M4 21c0-4.4 3.6-8 8-8s8 3.6 8 8z"/>' +
              '</svg>',
          );

  public chartOptions: Partial<ChartOptions> = {
          series: [520000, 1180000, 300000],
          chart: {
            type: 'unit',
            height: 440,
            animations: {
              enabled: true,
              speed: 900,
            },
          },
          labels: ['Under 18', '18 to 64', '65 and over'],
          colors: ['#5B8DEF', '#00B8A9', '#F6A609'],
          series: [520000, 1180000, 300000],
          legend: {
            position: 'bottom',
          },
          plotOptions: {
            unit: {
              layout: 'grouped',
              shape: 'image',
              unitValue: 25000,
              spacing: 1.2,
              image: {
                src: this.PERSON_ICON,
                width: 16,
                height: 16,
                // Recolour each icon to its category colour so the crowd matches the
                // legend (the source icon is a single-colour silhouette).
                tint: true,
              },
              clusterLabels: {
                show: true,
              },
            },
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}