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: 'Frontend',
              data: [
                {
                  x: 'Design',
                  y: [
                    new Date('2024-03-05').getTime(),
                    new Date('2024-03-08').getTime(),
                  ],
                },
                {
                  x: 'Code',
                  y: [
                    new Date('2024-03-08').getTime(),
                    new Date('2024-03-11').getTime(),
                  ],
                },
                {
                  x: 'Test',
                  y: [
                    new Date('2024-03-11').getTime(),
                    new Date('2024-03-16').getTime(),
                  ],
                },
              ],
            },
            {
              name: 'Backend',
              data: [
                {
                  x: 'Design',
                  y: [
                    new Date('2024-03-02').getTime(),
                    new Date('2024-03-05').getTime(),
                  ],
                },
                {
                  x: 'Code',
                  y: [
                    new Date('2024-03-06').getTime(),
                    new Date('2024-03-09').getTime(),
                  ],
                },
                {
                  x: 'Test',
                  y: [
                    new Date('2024-03-10').getTime(),
                    new Date('2024-03-19').getTime(),
                  ],
                },
              ],
            },
          ],
          chart: {
            height: 350,
            type: 'rangeBar',
          },
          title: {
            text: 'Frontend vs Backend Schedule',
          },
          plotOptions: {
            bar: {
              borderRadius: 10,
              horizontal: true,
            },
          },
          dataLabels: {
            enabled: true,
            formatter: (val) => {
              var diff = Math.round((val[1] - val[0]) / (1000 * 60 * 60 * 24))
              return diff + (diff > 1 ? ' days' : ' day')
            },
          },
          fill: {
            type: 'gradient',
            gradient: {
              shade: 'light',
              type: 'vertical',
              shadeIntensity: 0.25,
              gradientToColors: undefined,
              inverseColors: true,
              opacityFrom: 1,
              opacityTo: 1,
              stops: [50, 0, 100, 100],
            },
          },
          xaxis: {
            type: 'datetime',
          },
          legend: {
            position: 'top',
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}