import { ChangeDetectorRef, Component, OnDestroy, OnInit } from '@angular/core';
import { ToggleOption } from '@ghostfolio/client/components/toggle/interfaces/toggle-option.type';
import { DataService } from '@ghostfolio/client/services/data.service';
import { ImpersonationStorageService } from '@ghostfolio/client/services/impersonation-storage.service';
import { UserService } from '@ghostfolio/client/services/user/user.service';
import { PortfolioPosition, User } from '@ghostfolio/common/interfaces';
import { InvestmentItem } from '@ghostfolio/common/interfaces/investment-item.interface';
import { DeviceDetectorService } from 'ngx-device-detector';
import { Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';

@Component({
  selector: 'gf-analysis-page',
  templateUrl: './analysis-page.html',
  styleUrls: ['./analysis-page.scss']
})
export class AnalysisPageComponent implements OnDestroy, OnInit {
  public accounts: {
    [symbol: string]: Pick<PortfolioPosition, 'name'> & { value: number };
  };
  public continents: {
    [code: string]: { name: string; value: number };
  };
  public countries: {
    [code: string]: { name: string; value: number };
  };
  public deviceType: string;
  public hasImpersonationId: boolean;
  public period = 'current';
  public periodOptions: ToggleOption[] = [
    { label: 'Initial', value: 'original' },
    { label: 'Current', value: 'current' }
  ];
  public investments: InvestmentItem[];
  public portfolioPositions: { [symbol: string]: PortfolioPosition };
  public positions: { [symbol: string]: any };
  public sectors: {
    [name: string]: { name: string; value: number };
  };
  public user: User;

  private unsubscribeSubject = new Subject<void>();

  /**
   * @constructor
   */
  public constructor(
    private changeDetectorRef: ChangeDetectorRef,
    private dataService: DataService,
    private deviceService: DeviceDetectorService,
    private impersonationStorageService: ImpersonationStorageService,
    private userService: UserService
  ) {}

  /**
   * Initializes the controller
   */
  public ngOnInit() {
    this.deviceType = this.deviceService.getDeviceInfo().deviceType;

    this.impersonationStorageService
      .onChangeHasImpersonation()
      .pipe(takeUntil(this.unsubscribeSubject))
      .subscribe((aId) => {
        this.hasImpersonationId = !!aId;
      });

    this.dataService
      .fetchInvestments()
      .pipe(takeUntil(this.unsubscribeSubject))
      .subscribe((response) => {
        this.investments = response;

        this.changeDetectorRef.markForCheck();
      });

    this.userService.stateChanged
      .pipe(takeUntil(this.unsubscribeSubject))
      .subscribe((state) => {
        if (state?.user) {
          this.user = state.user;

          this.changeDetectorRef.markForCheck();
        }
      });
  }

  public ngOnDestroy() {
    this.unsubscribeSubject.next();
    this.unsubscribeSubject.complete();
  }
}