import {Component} from '@angular/core';
import {MatFormFieldModule} from "@angular/material/form-field";
import {MatDatepicker, MatDatepickerInput, MatDatepickerToggle} from "@angular/material/datepicker";
import {FormsModule} from "@angular/forms";
import {ConfigurationCardComponent} from "@component/admin/configuration-card/configuration-card.component";
import {MatInput} from "@angular/material/input";
import {addDays} from "@progress/kendo-date-math";
import {ScheduleService} from "@api/v1/configuration/schedule.service";
import {DateOnly} from "@model/dateOnly";
import {MatDialog} from "@angular/material/dialog";
import {
  ConfirmDeleteScheduleDialogComponent
} from "@component/admin/confirm-delete-schedule-dialog/confirm-delete-schedule-dialog.component";
import {Observable, switchMap} from "rxjs";

@Component({
  selector: 'app-term-start-date',
  imports: [
    MatFormFieldModule,
    MatDatepickerToggle,
    FormsModule,
    MatDatepickerInput,
    MatDatepicker,
    ConfigurationCardComponent,
    MatInput
  ],
  templateUrl: './term-start-date.component.html',
  providers: [ScheduleService]
})
export class TermStartDateComponent {
  protected startDate: Date = new Date();
  protected startDateBefore: Date = new Date();

  constructor(private api: ScheduleService, private dialog: MatDialog) {
    this.api.getStartTerm().subscribe(data => {
      this.startDate = data.date;
      this.startDateBefore = this.startDate;
      console.log(this.startDate == this.startDateBefore);
    });
  }

  protected saveFunction() {
    return () => {
      const dialogRef = this.dialog.open(ConfirmDeleteScheduleDialogComponent, {
        data: {startDate: this.startDate}
      });

      return dialogRef.afterClosed().pipe(switchMap(result => {
        return this.api.postStartTerm(new DateOnly(this.startDate), result);
      }));
    };
  }

  protected onSave(data: Observable<any>): void {
    data.subscribe(_ => {
      this.startDateBefore = this.startDate;
    });
  }

  protected ValidMinDate = addDays(new Date(), -180);
}