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: 'Sales',
              data: [34, 52, 41, 63, 48, 72, 55, 84, 66, 58, 91, 74, 103, 96, 118],
            },
          ],
          chart: {
            height: 350,
            type: 'line',
          },
          forecastDataPoints: {
            count: 5,
          },
          stroke: {
            width: 5,
            curve: 'smooth',
          },
          xaxis: {
            type: 'datetime',
            categories: [
              '1/1/2025',
              '2/1/2025',
              '3/1/2025',
              '4/1/2025',
              '5/1/2025',
              '6/1/2025',
              '7/1/2025',
              '8/1/2025',
              '9/1/2025',
              '10/1/2025',
              '11/1/2025',
              '12/1/2025',
              '1/1/2026',
              '2/1/2026',
              '3/1/2026',
            ],
            tickAmount: 10,
            labels: {
              formatter: (value, timestamp, opts) => {
                return opts.dateFormatter(new Date(timestamp), 'MMM yy')
              },
            },
          },
          title: {
            text: 'Monthly Sales with Forecast',
            align: 'left',
            style: {
              fontSize: '16px',
              color: '#666',
            },
          },
          yaxis: {
            labels: {
              formatter: (val) => {
                return '$' + val + 'k'
              },
            },
          },
          fill: {
            type: 'gradient',
            gradient: {
              shade: 'dark',
              gradientToColors: ['#FDD835'],
              shadeIntensity: 1,
              type: 'horizontal',
              opacityFrom: 1,
              opacityTo: 1,
              stops: [0, 100, 100, 100],
            },
          },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}