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 sectorColors: any = ['#1565C0', '#2E7D32', '#C62828', '#EF6C00', '#6A1B9A'];

  private bluePalette: any = ['#0D47A1', '#1976D2', '#42A5F5', '#90CAF9'];

  private cyanPalette: any = ['#006064', '#00838F', '#00ACC1', '#4DD0E1'];

  private greenPalette: any = ['#1B5E20', '#388E3C', '#66BB6A'];

  private redPalette: any = ['#B71C1C', '#E53935', '#EF9A9A'];

  private amberPalette: any = ['#E65100', '#FB8C00', '#FFB74D'];

  private purplePalette: any = ['#4A148C', '#8E24AA', '#CE93D8'];

  private distributed: any = { treemap: { distributed: true, enableShades: false } };

  public chartOptions: Partial<ChartOptions> = {
          series: [
            {
              data: [
                { x: 'Technology', y: 620, drilldown: 'tech' },
                { x: 'Financials', y: 430, drilldown: 'fin' },
                { x: 'Healthcare', y: 380, drilldown: 'health' },
                { x: 'Energy', y: 290, drilldown: 'energy' },
                { x: 'Consumer', y: 340, drilldown: 'consumer' },
              ],
            },
          ],
          chart: {
            type: 'treemap',
            height: 450,
            toolbar: {
              show: false,
            },
          },
          legend: {
            show: false,
          },
          colors: this.sectorColors,
          plotOptions: this.distributed,
          dataLabels: {
            enabled: true,
            style: {
              fontSize: '14px',
            },
          },
          title: {
            text: 'Market Capitalisation by Sector',
            align: 'left',
          },
          subtitle: {
            text: 'Click a sector to drill into its industries, then into companies. Use the breadcrumb to go back.',
            align: 'left',
          },
          drilldown: {
            enabled: true,
            breadcrumb: {
              show: true,
              position: 'top-right',
              rootLabel: 'All Sectors',
              separator: ' / ',
            },
            series: [
              {
                id: 'tech',
                name: 'Technology',
                colors: this.bluePalette,
                plotOptions: this.distributed,
                data: [
                  { x: 'Cloud', y: 260, drilldown: 'tech-cloud' },
                  { x: 'Devices', y: 190 },
                  { x: 'Software', y: 120 },
                  { x: 'Semiconductors', y: 50 },
                ],
              },
              {
                id: 'tech-cloud',
                name: 'Cloud',
                colors: this.cyanPalette,
                plotOptions: this.distributed,
                data: [
                  { x: 'Compute', y: 110 },
                  { x: 'Storage', y: 80 },
                  { x: 'Networking', y: 45 },
                  { x: 'Analytics', y: 25 },
                ],
              },
              {
                id: 'fin',
                name: 'Financials',
                colors: this.greenPalette,
                plotOptions: this.distributed,
                data: [
                  { x: 'Banking', y: 210 },
                  { x: 'Insurance', y: 140 },
                  { x: 'Payments', y: 80 },
                ],
              },
              {
                id: 'health',
                name: 'Healthcare',
                colors: this.redPalette,
                plotOptions: this.distributed,
                data: [
                  { x: 'Pharma', y: 200 },
                  { x: 'Devices', y: 110 },
                  { x: 'Services', y: 70 },
                ],
              },
              {
                id: 'energy',
                name: 'Energy',
                colors: this.amberPalette,
                plotOptions: this.distributed,
                data: [
                  { x: 'Renewables', y: 160 },
                  { x: 'Oil & Gas', y: 90 },
                  { x: 'Utilities', y: 40 },
                ],
              },
              {
                id: 'consumer',
                name: 'Consumer',
                colors: this.purplePalette,
                plotOptions: this.distributed,
                data: [
                  { x: 'Retail', y: 180 },
                  { x: 'Food & Beverage', y: 100 },
                  { x: 'Apparel', y: 60 },
                ],
              },
            ],
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}