import { Component, AfterViewInit, OnDestroy, ViewChild } from '@angular/core';
import { NgIf } from '@angular/common';
import ApexCharts from 'apexcharts';
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, NgIf],
  templateUrl: './chart.component.html',
})
export class AppChart implements AfterViewInit, OnDestroy {
  @ViewChild('chart') chart!: ChartComponent;
  private mulberry32 = (seed: any): any => {
          return function () {
            seed |= 0
            seed = (seed + 0x6d2b79f5) | 0
            var t = Math.imul(seed ^ (seed >>> 15), 1 | seed)
            t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t
            return ((t ^ (t >>> 14)) >>> 0) / 4294967296
          }
        };

  private rand: any = this.mulberry32(42);

  private data1: any = [];

  private data2: any = [];

  private ts: any = new Date('01 Oct 2024').getTime();

  private level: any = 300;

  public chartOptions: Partial<ChartOptions> = {
          series: [
            {
              name: 'Orders',
              data: this.data1,
            },
            {
              name: 'Revenue',
              data: this.data2,
            },
          ],
          chart: {
            id: 'chart2',
            type: 'line',
            height: 230,
            toolbar: {
              autoSelected: 'pan',
              show: false,
            },
          },
          title: {
            text: 'Daily Orders & Revenue',
            align: 'left',
          },
          colors: ['#008FFB', '#00E396'],
          dataLabels: {
            enabled: false,
          },
          stroke: {
            width: [2, 4],
            curve: ['straight', 'monotoneCubic'],
          },
          fill: {
            opacity: [1, 0.75],
          },
          markers: {
            size: 0,
          },
          yaxis: [
            {
              seriesName: 'Orders',
              axisTicks: {
                show: true,
                color: '#008FFB',
              },
              axisBorder: {
                show: true,
                color: '#008FFB',
              },
              labels: {
                style: {
                  colors: '#008FFB',
                },
              },
              title: {
                text: 'Orders',
                style: {
                  color: '#008FFB',
                },
              },
            },
            {
              seriesName: 'Revenue',
              opposite: true,
              axisTicks: {
                show: true,
                color: '#00E396',
              },
              axisBorder: {
                show: true,
                color: '#00E396',
              },
              labels: {
                style: {
                  colors: '#00E396',
                },
              },
              title: {
                text: 'Revenue ($k)',
                style: {
                  color: '#00E396',
                },
              },
            },
          ],
          xaxis: {
            type: 'datetime',
          },
        };

  public chartOptions2: Partial<ChartOptions> = {
          series: [
            {
              name: 'Orders',
              data: this.data1,
            },
            {
              name: 'Revenue',
              data: this.data2,
            },
          ],
          chart: {
            id: 'chart1',
            height: 130,
            type: 'area',
            brush: {
              target: 'chart2',
              enabled: true,
            },
            selection: {
              enabled: true,
              xaxis: {
                min: new Date('05 Jan 2025').getTime(),
                max: new Date('10 Feb 2025').getTime(),
              },
            },
          },
          colors: ['#008FFB', '#00E396'],
          stroke: {
            width: [1, 3],
            curve: ['straight', 'monotoneCubic'],
          },
          fill: {
            type: 'gradient',
            gradient: {
              opacityFrom: 0.91,
              opacityTo: 0.1,
            },
          },
          xaxis: {
            type: 'datetime',
            tooltip: {
              enabled: false,
            },
          },
          yaxis: {
            tickAmount: 2,
          },
        };

  public brushChartReady = false;
  ngAfterViewInit() {
    const poll = () => {
      if ((ApexCharts as any).getChartByID('chart2')) {
        this.brushChartReady = true;
      } else {
        requestAnimationFrame(poll);
      }
    };
    requestAnimationFrame(poll);
  }

  ngAfterViewInit() {
    (window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
    for (var i = 0; i < 180; i++) {
            this.level += (this.rand() - 0.5) * 55
            this.level += (300 - this.level) * 0.03
            if (this.rand() > 0.94) this.level += (this.rand() - 0.5) * 90
            if (this.level < 120) this.level = 120
            var orders = Math.round(this.level)
            this.data1.push([this.ts, orders])
            this.data2.push([this.ts, Math.round(orders * (0.32 + this.rand() * 0.12) * 10) / 10])
            this.ts += 86400000
          }
  }

  ngOnDestroy() {
    // no cleanup needed
  }
}