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 quarterOf = (val: any): any => {
          return Math.floor(new Date(val).getMonth() / 3) + 1
        };

  public chartOptions: Partial<ChartOptions> = {
          series: [
            {
              name: 'Revenue',
              data: [
                {
                  x: '2024/01/01',
                  y: 400,
                },
                {
                  x: '2024/04/01',
                  y: 430,
                },
                {
                  x: '2024/07/01',
                  y: 448,
                },
                {
                  x: '2024/10/01',
                  y: 470,
                },
                {
                  x: '2025/01/01',
                  y: 540,
                },
                {
                  x: '2025/04/01',
                  y: 580,
                },
                {
                  x: '2025/07/01',
                  y: 690,
                },
                {
                  x: '2025/10/01',
                  y: 690,
                },
              ],
            },
          ],
          chart: {
            type: 'bar',
            height: 380,
          },
          xaxis: {
            type: 'category',
            labels: {
              formatter: (val) => {
                return 'Q' + this.quarterOf(val)
              },
            },
            group: {
              style: {
                fontSize: '10px',
                fontWeight: 700,
              },
              groups: [
                { title: '2024', cols: 4 },
                { title: '2025', cols: 4 },
              ],
            },
          },
          title: {
            text: 'Quarterly Revenue',
          },
          yaxis: {
            labels: {
              formatter: (val) => {
                return '$' + val + 'k'
              },
            },
          },
          tooltip: {
            x: {
              formatter: (val) => {
                return 'Q' + this.quarterOf(val) + ' ' + new Date(val).getFullYear()
              },
            },
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}