import { Component, OnInit } from '@angular/core';
import { saveAs } from 'file-saver';
import { SearchEmployee } from 'src/app/_models/Employee/searchEmployee';
import { BasicService } from 'src/app/_services/Basic/basic.service';
import { EmployeeServices } from 'src/app/_services/employee/employee.service';
import { ReportServices } from 'src/app/_services/reports/report.service';
import { AuthorizedPerson } from 'src/app/adhoc-feature/authorized-persons/authorizedPerson';
import { ApiService } from 'src/app/app.api.service';
import { HRMNotificationService } from 'src/app/app.notification.service';
import { loadingPanelService } from 'src/app/hrm-loding panel/loding.panel.service';

@Component({
  selector: 'app-id-card-print',
  templateUrl: './id-card-print.component.html',
  styleUrls: ['./id-card-print.component.scss']
})
export class IdCardPrintComponent implements OnInit {
  selectedEmps: SearchEmployee[];
  issueDate: Date = new Date();
  src: any;
  showPopUp: boolean = false;
  isThreeYear:boolean = false;
  isFiveYear:boolean = false;
  expireYear: number;
  authorizedPersons: AuthorizedPerson[]=[];
  selectedAuthorizePersonid = undefined;
  selectedReportTypeid = undefined;
  reportTypes: { id: number, name: string }[] = [];
  constructor(public notificctionService : HRMNotificationService,
    public reportService: ReportServices,
    public basicService: BasicService,
    public employeeService: EmployeeServices,
    public apiService: ApiService,public loadingPanel: loadingPanelService) {
    this.apiService.selectedMenuName = "ID Card Print";
    this.reportTypes.push({
        'id': 1, 'name': 'Single Side'
    });
    this.reportTypes.push({
        'id': 2, 'name': 'Both Side'
    });
    this.reportTypes.push({
        'id': 3, 'name': 'Bangla Single Side'
    });
    this.reportTypes.push({
      'id': 4, 'name': 'Bangla Both Side'
  });
     }

  ngOnInit(): void {
    this.loadAuthorizedPerson();
  }
  public GetSelectedEmployee(childData) {
    this.selectedEmps = childData;
  }
  loadAuthorizedPerson(){
        let authors = []
        this.employeeService.getAuthorizedPerson().subscribe(
            (resp)=>{
              this.authorizedPersons = resp;
            },
            (x)=>{
                console.log(x);
            },
            ()=>{
            }
        )
  }
  preview(reportType: string) {
    if(this.selectedAuthorizePersonid === undefined){
      this.notificctionService.showWarning("Please select Authorized Person first!","Warning");
      return;
    }
    if(this.selectedReportTypeid === undefined){
      this.notificctionService.showWarning("Please select Report Type first!","Warning");
      return;
    }
    if(this.isThreeYear!= true && this.isFiveYear!=true){
      this.notificctionService.showWarning("Please select Expire Date first!","Warning");
      return;
    }
    let empIds = SearchEmployee.getEmpIds(this.selectedEmps);
    debugger;
    const data = {
      reportType: reportType,
      empIds: empIds,
      selectedAuthorizePersonid: this.selectedAuthorizePersonid,
      selectedReportTypeid: this.selectedReportTypeid,
      issueDate: this.issueDate,
      expireYear: this.expireYear,
    };

    this.showPopUp = true;
    this.reportService.getIdCardPrintData(data).subscribe(
      (resp: any) => {
        if (reportType === 'PDF'){
          this.src = URL.createObjectURL(this.b64toBlob(resp, 'application/pdf', 1024));
          var element = <HTMLIFrameElement>(document.getElementById("pdf-viewer-idCardPrint"));
          element.src = this.src;
        }
        if(reportType === 'EXCEL'){
          this.downloadFile(resp);
        }
      },
      (err) => {
          console.log(err);
          this.loadingPanel.ShowLoadingPanel = false;
          this.closeForm();
      },
      () => {
          this.loadingPanel.ShowLoadingPanel = false;
      }
  );
  }
  changeCheckbox(checkedCheckbox: 'Three' | 'Five') {
    debugger;
    if (checkedCheckbox === 'Three' && this.isThreeYear) {
        this.isFiveYear = false;
        this.expireYear=3;
    } else if (checkedCheckbox === 'Five' && this.isFiveYear) {
        this.isThreeYear = false;
        this.expireYear=5;
    }
  }
  downloadFile(blobContent) {
    let blob = new Blob([this.b64toBlob(blobContent, 'application/data:application/vnd.ms-excel', 1024)], {});
    saveAs(blob, 'ID Card Print' + '.xls');
  }
  b64toBlob(b64Data, contentType, sliceSize) {
    const byteCharacters = atob(b64Data);
    const byteArrays = [];

    for (let offset = 0; offset < byteCharacters.length; offset += sliceSize) {
        const slice = byteCharacters.slice(offset, offset + sliceSize);

        const byteNumbers = new Array(slice.length);
        for (let i = 0; i < slice.length; i++) {
            byteNumbers[i] = slice.charCodeAt(i);
        }

        const byteArray = new Uint8Array(byteNumbers);
        byteArrays.push(byteArray);
    }

    const blob = new Blob(byteArrays, { type: contentType });
    return blob;
}

closeForm(): void {
  this.showPopUp = false;
  this.loadingPanel.ShowLoadingPanel = false;
}
}