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: 'Operating income',
              data: [
                {
                  x: 'Net revenue',
                  y: 8786000,
                },
                {
                  x: 'Cost of sales',
                  y: -2786000,
                },
                {
                  x: 'Gross profit',
                  isSubtotal: true,
                },
                {
                  x: 'Operating expenses',
                  y: -1786000,
                },
                {
                  x: 'Amortisation',
                  y: -453000,
                },
                {
                  x: 'Income from equity',
                  y: 1465000,
                },
                {
                  x: 'Operating income',
                  isTotal: true,
                },
              ],
            },
          ],
          chart: {
            type: 'waterfall',
            height: 380,
          },
          title: {
            text: 'From revenue to operating income',
            align: 'left',
          },
          subtitle: {
            text: 'FY 2025, in thousands of USD',
            align: 'left',
          },
          yaxis: {
            labels: {
              formatter: (val) => {
                return (val / 1000).toFixed(0) + 'k'
              },
            },
          },
          dataLabels: {
            formatter: (val) => {
              return (val / 1000).toFixed(0) + 'k'
            },
          },
          tooltip: {
            y: {
              formatter: (val) => {
                return (val > 0 ? '+' : '') + val.toLocaleString('en-US')
              },
            },
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJleHBpcnlEYXRlIjoiMjEyNi0wNy0wNCIsImlzc3VlRGF0ZSI6IjIwMjYtMDctMjgiLCJwbGFuIjoicHJlbWl1bSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiLCJsb2NhbGhvc3QiXSwic2lnIjoieVBmb1VCc0Z3TU9ZdUEyaEZkR0I2Y1FtZ0JITUtXcVdJSjB2NVRESXRZbFR3eDJMUmh6R2x0RUc3VXJ4X0s3b25ZMWRZb2Z2VGItN01ydFYyNDVyOWcifQ==');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}