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;
  public chartOptions: Partial<ChartOptions> = {
          series: [
            {
              name: 'Revenue',
              data: [
                { x: '2021', y: 480, drilldown: '2021' },
                { x: '2022', y: 530, drilldown: '2022' },
                { x: '2023', y: 610, drilldown: '2023' },
                { x: '2024', y: 705, drilldown: '2024' },
              ],
            },
          ],
          chart: {
            type: 'bar',
            height: 420,
            toolbar: {
              show: false,
            },
          },
          plotOptions: {
            bar: {
              distributed: true,
              columnWidth: '55%',
              borderRadius: 6,
              borderRadiusApplication: 'end',
            },
          },
          legend: {
            show: false,
          },
          dataLabels: {
            enabled: false,
          },
          colors: ['#1565C0', '#2E7D32', '#EF6C00', '#6A1B9A'],
          title: {
            text: 'Revenue by Year',
            align: 'left',
          },
          subtitle: {
            text: 'Click a year: its quarterly breakdown unfolds outward from the column you click. Use the breadcrumb to go back.',
            align: 'left',
          },
          yaxis: {
            title: {
              text: 'Revenue ($k)',
            },
          },
          drilldown: {
            enabled: true,
            // Anchor the drill transition at the clicked column: the child's bars unfold
            // outward from that column rather than the chart simply re-rendering.
            animation: {
              enabled: true,
              zoomFromPoint: true,
              speed: 260,
            },
            breadcrumb: {
              show: true,
              position: 'top-right',
              rootLabel: 'All Years',
              separator: ' / ',
            },
            series: [
              {
                id: '2021',
                name: '2021 by Quarter',
                data: [
                  { x: 'Q1', y: 105 },
                  { x: 'Q2', y: 118 },
                  { x: 'Q3', y: 125 },
                  { x: 'Q4', y: 132 },
                ],
              },
              {
                id: '2022',
                name: '2022 by Quarter',
                data: [
                  { x: 'Q1', y: 121 },
                  { x: 'Q2', y: 130 },
                  { x: 'Q3', y: 138 },
                  { x: 'Q4', y: 141 },
                ],
              },
              {
                id: '2023',
                name: '2023 by Quarter',
                data: [
                  { x: 'Q1', y: 140 },
                  { x: 'Q2', y: 152 },
                  { x: 'Q3', y: 158 },
                  { x: 'Q4', y: 160 },
                ],
              },
              {
                id: '2024',
                name: '2024 by Quarter',
                data: [
                  { x: 'Q1', y: 165 },
                  { x: 'Q2', y: 174 },
                  { x: 'Q3', y: 182 },
                  { x: 'Q4', y: 184 },
                ],
              },
            ],
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}