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: '',
              data: [200, 330, 548, 740, 880, 990, 1100, 1380],
            },
          ],
          chart: {
            type: 'pyramid',
            height: 350,
            dropShadow: {
              enabled: true,
            },
          },
          plotOptions: {
            bar: {
              borderRadius: 0,
              distributed: true,
            },
          },
          colors: [
            '#809bce',
            '#95b8d1',
            '#b8e0d4',
            '#d6eadf',
            '#eac4d5',
            '#d1625c',
            '#e89c81',
            '#ffd6a5',
          ],
          dataLabels: {
            enabled: true,
            formatter: (val, opt) => {
              // hide labels on tiers too small to fit them; the tooltip still names these
              if (val < 400) return ''
              return opt.w.globals.labels[opt.dataPointIndex]
            },
            dropShadow: {
              enabled: true,
            },
          },
          title: {
            text: 'Food Pyramid',
            align: 'middle',
          },
          xaxis: {
            categories: [
              'Sweets',
              'Processed Foods',
              'Healthy Fats',
              'Meat',
              'Beans & Legumes',
              'Dairy',
              'Fruits & Vegetables',
              'Grains',
            ],
          },
          legend: {
            show: false,
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}