import { SelectionModel } from '@angular/cdk/collections';
import { Component, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core';
import { MatDialog } from '@angular/material/dialog';
import { PageEvent } from '@angular/material/paginator';
import { MatTableDataSource } from '@angular/material/table';
import { TranslateService } from '@ngx-translate/core';
import { BehaviorSubject, Observable } from 'rxjs';
import { ActionKeysType } from 'src/app/modules/action-keys/action-keys.component';
import { PaginatorComponent } from 'src/app/modules/paginator/paginator.component';
import { WarnDialogComponent } from 'src/app/modules/warn-dialog/warn-dialog.component';
import { Action, ActionState } from 'src/app/proto/generated/zitadel/action_pb';
import {
  CreateActionRequest,
  ListActionsResponse,
  UpdateActionRequest,
} from 'src/app/proto/generated/zitadel/management_pb';
import { ManagementService } from 'src/app/services/mgmt.service';
import { ToastService } from 'src/app/services/toast.service';

import { AddActionDialogComponent } from '../add-action-dialog/add-action-dialog.component';

@Component({
  selector: 'cnsl-action-table',
  templateUrl: './action-table.component.html',
  styleUrls: ['./action-table.component.scss'],
})
export class ActionTableComponent implements OnInit {
  @ViewChild(PaginatorComponent) public paginator!: PaginatorComponent;
  public dataSource: MatTableDataSource<Action.AsObject> = new MatTableDataSource<Action.AsObject>();
  public selection: SelectionModel<Action.AsObject> = new SelectionModel<Action.AsObject>(true, []);
  public actionsResult?: ListActionsResponse.AsObject;
  private loadingSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
  public loading$: Observable<boolean> = this.loadingSubject.asObservable();
  @Input() public displayedColumns: string[] = ['select', 'name', 'state', 'timeout', 'allowedToFail', 'actions'];

  @Output() public changedSelection: EventEmitter<Array<Action.AsObject>> = new EventEmitter();

  public ActionState: any = ActionState;
  public ActionKeysType: any = ActionKeysType;

  constructor(
    public translate: TranslateService,
    private mgmtService: ManagementService,
    private dialog: MatDialog,
    private toast: ToastService,
  ) {
    this.selection.changed.subscribe(() => {
      this.changedSelection.emit(this.selection.selected);
    });
  }

  ngOnInit(): void {
    this.getData(20, 0);
  }

  public isAllSelected(): boolean {
    const numSelected = this.selection.selected.length;
    const numRows = this.dataSource.data.length;
    return numSelected === numRows;
  }

  public masterToggle(): void {
    this.isAllSelected() ? this.selection.clear() : this.dataSource.data.forEach((row) => this.selection.select(row));
  }

  public changePage(event: PageEvent): void {
    this.getData(event.pageSize, event.pageIndex * event.pageSize);
  }

  public deleteAction(action: Action.AsObject): void {
    const dialogRef = this.dialog.open(WarnDialogComponent, {
      data: {
        confirmKey: 'ACTIONS.DELETE',
        cancelKey: 'ACTIONS.CANCEL',
        titleKey: 'FLOWS.DIALOG.DELETEACTION.TITLE',
        descriptionKey: 'FLOWS.DIALOG.DELETEACTION.DESCRIPTION',
      },
      width: '400px',
    });

    dialogRef.afterClosed().subscribe((resp) => {
      if (resp) {
        this.mgmtService
          .deleteAction(action.id)
          .then(() => {
            this.selection.clear();
            this.toast.showInfo('FLOWS.DIALOG.DELETEACTION.DELETE_SUCCESS', true);
            this.refreshPage();
          })
          .catch((error: any) => {
            this.toast.showError(error);
          });
      }
    });
  }

  public openAddAction(): void {
    const dialogRef = this.dialog.open(AddActionDialogComponent, {
      data: {},
      width: '500px',
      disableClose: true,
    });

    dialogRef.afterClosed().subscribe((req: CreateActionRequest) => {
      if (req) {
        this.mgmtService
          .createAction(req)
          .then((resp) => {
            this.refreshPage();
          })
          .catch((error: any) => {
            this.toast.showError(error);
          });
      }
    });
  }

  public openDialog(action: Action.AsObject): void {
    const dialogRef = this.dialog.open(AddActionDialogComponent, {
      data: {
        action: action,
      },
      width: '500px',
      disableClose: true,
    });

    dialogRef.afterClosed().subscribe((req: UpdateActionRequest) => {
      if (req) {
        this.mgmtService
          .updateAction(req)
          .then((resp) => {
            this.refreshPage();
          })
          .catch((error: any) => {
            this.toast.showError(error);
          });
      }
    });
  }

  private async getData(limit: number, offset: number): Promise<void> {
    this.loadingSubject.next(true);

    this.mgmtService
      .listActions(limit, offset)
      .then((resp) => {
        this.actionsResult = resp;
        this.dataSource.data = this.actionsResult.resultList;
        this.loadingSubject.next(false);
      })
      .catch((error: any) => {
        this.toast.showError(error);
        this.loadingSubject.next(false);
      });
  }

  public refreshPage(): void {
    setTimeout(() => {
      this.getData(this.paginator.pageSize, this.paginator.pageIndex * this.paginator.pageSize);
    }, 1000);
  }

  public deactivateSelection(): Promise<void> {
    const prom = this.selection.selected.map((action) => {
      return this.mgmtService.deactivateAction(action.id);
    });

    return Promise.all(prom)
      .then(() => {
        this.selection.clear();
        this.toast.showInfo('FLOWS.TOAST.ACTIONDEACTIVATED', true);
        this.getData(10, 0);
      })
      .catch((error) => {
        this.selection.clear();
        this.toast.showError(error);
        this.getData(10, 0);
      });
  }

  public activateSelection(): Promise<void> {
    const prom = this.selection.selected.map((action) => {
      return this.mgmtService.reactivateAction(action.id);
    });

    return Promise.all(prom)
      .then(() => {
        this.selection.clear();
        this.toast.showInfo('FLOWS.TOAST.ACTIONREACTIVATED', true);
        this.getData(10, 0);
      })
      .catch((error) => {
        this.selection.clear();
        this.toast.showError(error);
        this.getData(10, 0);
      });
  }
}