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 series = (): any => {
          var out = []
          var v = 100
          for (var i = 0; i < 60; i++) {
            v += 2 + Math.sin(i / 5) * 3
            out.push([i, Math.round(v)])
          }
          return out
        };

  private readout: any = document.getElementById('mz-readout');

  public chartOptions: Partial<ChartOptions> = {
          series: [{ name: 'Price', data: this.series() }],
          chart: {
            id: 'price',
            type: 'area',
            height: 380,
            fontFamily: 'Helvetica, Arial, sans-serif',
            animations: { enabled: false },
            measure: { enabled: true, pinOnRelease: true },
            toolbar: { show: true, autoSelected: 'measure' },
            zoom: { enabled: true, type: 'x' },
          },
          stroke: { width: 2, curve: 'straight' },
          dataLabels: { enabled: false },
          title: { text: 'Price (measure any move)', align: 'left' },
          xaxis: { type: 'numeric', title: { text: 'Session' } },
          yaxis: { title: { text: 'Price' }, decimalsInFloat: 0 },
        };
  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJleHBpcnlEYXRlIjoiMjEyNi0wNy0wNCIsImlzc3VlRGF0ZSI6IjIwMjYtMDctMjgiLCJwbGFuIjoicHJlbWl1bSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiLCJsb2NhbGhvc3QiXSwic2lnIjoieVBmb1VCc0Z3TU9ZdUEyaEZkR0I2Y1FtZ0JITUtXcVdJSjB2NVRESXRZbFR3eDJMUmh6R2x0RUc3VXJ4X0s3b25ZMWRZb2Z2VGItN01ydFYyNDVyOWcifQ==');

    document.getElementById('mz-clear').addEventListener('click', () => {
            this.chart.clearMeasures()
          })
    this.chart.addEventListener('measured', (c, o) => {
            this.readout.textContent =
              'dx=' +
              Number(o.dx).toFixed(2) +
              '  dy=' +
              Number(o.dy).toFixed(2) +
              '  (' +
              (o.percentChange >= 0 ? '+' : '') +
              Number(o.percentChange).toFixed(1) +
              '%)'
          })
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}