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 currentSeries: any[] = [44, 55, 13, 33];

  private appendData = (): any => {
          var arr = this.currentSeries.slice()
          arr.push(Math.floor(Math.random() * (100 - 1 + 1)) + 1)
          return arr
        };

  private removeData = (): any => {
          var arr = this.currentSeries.slice()
          arr.pop()
          return arr
        };

  private randomize = (): any => {
          return this.currentSeries.map(function () {
            return Math.floor(Math.random() * (100 - 1 + 1)) + 1
          })
        };

  private reset = (): any => {
          return this.chartOptions.series
        };

  public chartOptions: Partial<ChartOptions> = {
          series: [44, 55, 13, 33],
          chart: {
            width: 380,
            type: 'donut',
          },
          labels: ['Stocks', 'Bonds', 'Real Estate', 'Cash'],
          title: {
            text: 'Portfolio Allocation',
          },
          dataLabels: {
            enabled: false,
          },
          responsive: [
            {
              breakpoint: 480,
              options: {
                chart: {
                  width: 200,
                },
                legend: {
                  show: false,
                },
              },
            },
          ],
          legend: {
            position: 'right',
            offsetY: 0,
            height: 230,
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');

    document.querySelector('#randomize')?.addEventListener('click', () => {
            this.chart.updateSeries(this.currentSeries = (this.randomize()))
          })
    document.querySelector('#add')?.addEventListener('click', () => {
            this.chart.updateSeries(this.currentSeries = (this.appendData()))
          })
    document.querySelector('#remove')?.addEventListener('click', () => {
            this.chart.updateSeries(this.currentSeries = (this.removeData()))
          })
    document.querySelector('#reset')?.addEventListener('click', () => {
            this.chart.updateSeries(this.currentSeries = (this.reset()))
          })
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}