import { Component, OnInit } from "@angular/core";
import { ViewChild } from "@angular/core";
import { fromEvent } from "rxjs";
import { debounceTime } from "rxjs/operators";
import { CommomService } from "src/app/core/services/commom.service";
import { ENgxPrintComponent } from 'e-ngx-print';
import { ChartOptionService } from 'src/app/core/services/chartServices/chart-option.service';
import { ChartMenuService } from 'src/app/core/services/chartServices/chart-menu.service';


@Component({
  selector: 'app-sub-point-value-line-chart',
  templateUrl: './sub-point-value-line-chart.component.html',
  styleUrls: ['./sub-point-value-line-chart.component.scss']
})
export class SubPointValueLineChartComponent implements OnInit {

  @ViewChild('print1', {static: false}) print1Component: ENgxPrintComponent;

  constructor(
    private commomService: CommomService,
    private chartOptionService: ChartOptionService,
    private chartMenuService: ChartMenuService,
    ) {}

  ngOnInit() {
    this.initEchart(this.commomService.changeFontSize());
    fromEvent(window, "resize")
      .pipe(debounceTime(200))
      .subscribe(() => {
        let style = this.commomService.changeFontSize();
        this.optionInit.setOption({
          legend: {
            itemWidth: style.fontSize,
            itemHeight: style.fontSize,
          },
          toolbox: {
            itemSize: style.toolboxSize,
          },
          // grid: style.interval,
        });
      });
  }
  optionInit;
  onOptionInit(ec) {
    this.optionInit = ec;
  }

  echartOption;
  // 图名
  chartName = "月平均气温";

  initEchart(style) {
    //获取数据
    //获取数据
    let simulateData = this.makeData();
    style.interval.right = "110";
    // 参数传递
    let params = {
      customGrid: style.interval,
      style: style,
      unit: "℃",
      xAxisName: "",
      yAxisName: "气温(℃)",
      xAxisDatas: simulateData.xAxisDatas,
      yNameGap: simulateData.yNameGap,
      seriesNames: simulateData.seriesNames,
      datas: simulateData.datas,
    };
    this.echartOption = this.chartOptionService.getOptionPointValueLineChart(params);
  }

  closePanel(event) {
    event.fromElement.setAttribute('style','display:none')
  }

  downloadImage(imageType: string, fileName: string) {
    this.chartMenuService.downloadEchartImage(this.optionInit, fileName, imageType);
  }

  printComplete() {
  }

  customPrint() {
    this.chartMenuService.customPrint(this.optionInit, this.print1Component);
  }

  fullScreen(event) {
    this.chartMenuService.fullScreen(event.srcElement.parentNode.parentNode.parentNode.parentNode);
  }

  makeData() {
    let xAxisDatas = ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月'];
    let seriesNames = [];
    let datas =[];
    for(let i=1; i<50; i++) {
      seriesNames.push('监测站点' + i);
      let subDatas = [];
      for(let j=0; j<12; j++) {
        subDatas.push((50 + 20*Math.random()).toFixed(2));
      }
      datas.push(subDatas);
    }
    let dataObj = {
      xAxisDatas: xAxisDatas,
      seriesNames: seriesNames,
      yNameGap: 30,
      datas:datas
    };
    return dataObj;
  }
}