import { Component, Input, OnInit, ViewChild } from '@angular/core';
import { MatDialog } from '@angular/material/dialog';
import { MatPaginator } from '@angular/material/paginator';
import { TranslateService } from '@ngx-translate/core';
import { BehaviorSubject, Observable } from 'rxjs';
import { PolicyComponentServiceType } from 'src/app/modules/policies/policy-component-types.enum';
import { WarnDialogComponent } from 'src/app/modules/warn-dialog/warn-dialog.component';
import {
  AddMultiFactorToLoginPolicyRequest as AdminAddMultiFactorToLoginPolicyRequest,
  AddSecondFactorToLoginPolicyRequest as AdminAddSecondFactorToLoginPolicyRequest,
  RemoveMultiFactorFromLoginPolicyRequest as AdminRemoveMultiFactorFromLoginPolicyRequest,
  RemoveSecondFactorFromLoginPolicyRequest as AdminRemoveSecondFactorFromLoginPolicyRequest,
} from 'src/app/proto/generated/zitadel/admin_pb';
import {
  AddMultiFactorToLoginPolicyRequest as MgmtAddMultiFactorToLoginPolicyRequest,
  AddSecondFactorToLoginPolicyRequest as MgmtAddSecondFactorToLoginPolicyRequest,
  RemoveMultiFactorFromLoginPolicyRequest as MgmtRemoveMultiFactorFromLoginPolicyRequest,
  RemoveSecondFactorFromLoginPolicyRequest as MgmtRemoveSecondFactorFromLoginPolicyRequest,
} from 'src/app/proto/generated/zitadel/management_pb';
import { MultiFactorType, SecondFactorType } from 'src/app/proto/generated/zitadel/policy_pb';
import { AdminService } from 'src/app/services/admin.service';
import { ManagementService } from 'src/app/services/mgmt.service';
import { ToastService } from 'src/app/services/toast.service';

import { DialogAddTypeComponent } from './dialog-add-type/dialog-add-type.component';

export enum LoginMethodComponentType {
  MultiFactor = 1,
  SecondFactor = 2,
}

@Component({
  selector: 'cnsl-mfa-table',
  templateUrl: './mfa-table.component.html',
  styleUrls: ['./mfa-table.component.scss'],
})
export class MfaTableComponent implements OnInit {
  public LoginMethodComponentType: any = LoginMethodComponentType;
  @Input() componentType!: LoginMethodComponentType;
  @Input() public serviceType!: PolicyComponentServiceType;
  @Input() service!: AdminService | ManagementService;
  @Input() disabled: boolean = false;
  @ViewChild(MatPaginator) public paginator!: MatPaginator;
  public mfas: Array<MultiFactorType | SecondFactorType> = [];

  private loadingSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
  public loading$: Observable<boolean> = this.loadingSubject.asObservable();

  public PolicyComponentServiceType: any = PolicyComponentServiceType;

  constructor(public translate: TranslateService, private toast: ToastService, private dialog: MatDialog) { }

  public ngOnInit(): void {
    this.getData();
  }

  public removeMfa(type: MultiFactorType | SecondFactorType): void {
    const dialogRef = this.dialog.open(WarnDialogComponent, {
      data: {
        confirmKey: 'ACTIONS.DELETE',
        cancelKey: 'ACTIONS.CANCEL',
        titleKey: 'MFA.DELETE.TITLE',
        descriptionKey: 'MFA.DELETE.DESCRIPTION',
      },
      width: '400px',
    });

    dialogRef.afterClosed().subscribe(resp => {
      if (resp) {
        if (this.serviceType === PolicyComponentServiceType.MGMT) {
          if (this.componentType === LoginMethodComponentType.MultiFactor) {
            const req = new MgmtRemoveMultiFactorFromLoginPolicyRequest();
            req.setType(type as MultiFactorType);
            (this.service as ManagementService).removeMultiFactorFromLoginPolicy(req).then(() => {
              this.toast.showInfo('MFA.TOAST.DELETED', true);
              this.refreshPageAfterTimout(2000);
            });
          } else if (this.componentType === LoginMethodComponentType.SecondFactor) {
            const req = new MgmtRemoveSecondFactorFromLoginPolicyRequest();
            req.setType(type as SecondFactorType);
            (this.service as ManagementService).removeSecondFactorFromLoginPolicy(req).then(() => {
              this.toast.showInfo('MFA.TOAST.DELETED', true);
              this.refreshPageAfterTimout(2000);
            });
          }
        } else if (this.serviceType === PolicyComponentServiceType.ADMIN) {
          if (this.componentType === LoginMethodComponentType.MultiFactor) {
            const req = new AdminRemoveMultiFactorFromLoginPolicyRequest();
            req.setType(type as MultiFactorType);
            (this.service as AdminService).removeMultiFactorFromLoginPolicy(req).then(() => {
              this.toast.showInfo('MFA.TOAST.DELETED', true);
              this.refreshPageAfterTimout(2000);
            });
          } else if (this.componentType === LoginMethodComponentType.SecondFactor) {
            const req = new AdminRemoveSecondFactorFromLoginPolicyRequest();
            req.setType(type as SecondFactorType);
            (this.service as AdminService).removeSecondFactorFromLoginPolicy(req).then(() => {
              this.toast.showInfo('MFA.TOAST.DELETED', true);
              this.refreshPageAfterTimout(2000);
            });
          }
        }
      }
    });
  }

  public addMfa(): void {

    let selection: any[] = [];

    if (this.componentType === LoginMethodComponentType.MultiFactor) {
      selection = [MultiFactorType.MULTI_FACTOR_TYPE_U2F_WITH_VERIFICATION];
    } else if (this.componentType === LoginMethodComponentType.SecondFactor) {
      selection = [SecondFactorType.SECOND_FACTOR_TYPE_U2F, SecondFactorType.SECOND_FACTOR_TYPE_OTP];
    }

    this.mfas.forEach(mfa => {
      const index = selection.findIndex(sel => sel === mfa);
      if (index > -1) {
        selection.splice(index, 1);
      }
    });

    const dialogRef = this.dialog.open(DialogAddTypeComponent, {
      data: {
        title: 'MFA.CREATE.TITLE',
        desc: 'MFA.CREATE.DESCRIPTION',
        componentType: this.componentType,
        types: selection,
      },
      width: '400px',
    });

    dialogRef.afterClosed().subscribe((mfaType: MultiFactorType | SecondFactorType) => {
      if (mfaType) {
        if (this.serviceType === PolicyComponentServiceType.MGMT) {
          if (this.componentType === LoginMethodComponentType.MultiFactor) {
            const req = new MgmtAddMultiFactorToLoginPolicyRequest();
            req.setType(mfaType as MultiFactorType);
            (this.service as ManagementService).addMultiFactorToLoginPolicy(req).then(() => {
              this.refreshPageAfterTimout(2000);
            }).catch(error => {
              this.toast.showError(error);
            });
          } else if (this.componentType === LoginMethodComponentType.SecondFactor) {
            const req = new MgmtAddSecondFactorToLoginPolicyRequest();
            req.setType(mfaType as SecondFactorType);
            (this.service as ManagementService).addSecondFactorToLoginPolicy(req).then(() => {
              this.refreshPageAfterTimout(2000);
            }).catch(error => {
              this.toast.showError(error);
            });
          }
        } else if (this.serviceType === PolicyComponentServiceType.ADMIN) {
          if (this.componentType === LoginMethodComponentType.MultiFactor) {
            const req = new AdminAddMultiFactorToLoginPolicyRequest();
            req.setType(mfaType as MultiFactorType);
            (this.service as AdminService).addMultiFactorToLoginPolicy(req).then(() => {
              this.refreshPageAfterTimout(2000);
            }).catch(error => {
              this.toast.showError(error);
            });
          } else if (this.componentType === LoginMethodComponentType.SecondFactor) {
            const req = new AdminAddSecondFactorToLoginPolicyRequest();
            req.setType(mfaType as SecondFactorType);
            (this.service as AdminService).addSecondFactorToLoginPolicy(req).then(() => {
              this.refreshPageAfterTimout(2000);
            }).catch(error => {
              this.toast.showError(error);
            });
          }
        }
      }
    });
  }

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

    if (this.serviceType === PolicyComponentServiceType.MGMT) {
      if (this.componentType === LoginMethodComponentType.MultiFactor) {
        (this.service as ManagementService).listLoginPolicyMultiFactors().then(resp => {
          this.mfas = resp.resultList;
          this.loadingSubject.next(false);
        }).catch(error => {
          this.toast.showError(error);
          this.loadingSubject.next(false);
        });
      } else if (this.componentType === LoginMethodComponentType.SecondFactor) {
        (this.service as ManagementService).listLoginPolicySecondFactors().then(resp => {
          this.mfas = resp.resultList;
          this.loadingSubject.next(false);
        }).catch(error => {
          this.toast.showError(error);
          this.loadingSubject.next(false);
        });
      }
    } else if (this.serviceType === PolicyComponentServiceType.ADMIN) {
      if (this.componentType === LoginMethodComponentType.MultiFactor) {
        (this.service as AdminService).listLoginPolicyMultiFactors().then(resp => {
          this.mfas = resp.resultList;
          this.loadingSubject.next(false);
        }).catch(error => {
          this.toast.showError(error);
          this.loadingSubject.next(false);
        });
      } else if (this.componentType === LoginMethodComponentType.SecondFactor) {
        (this.service as AdminService).listLoginPolicySecondFactors().then(resp => {
          this.mfas = resp.resultList;
          this.loadingSubject.next(false);
        }).catch(error => {
          this.toast.showError(error);
          this.loadingSubject.next(false);
        });
      }
    }
  }

  public refreshPageAfterTimout(to: number): void {
    setTimeout(() => {
      this.getData();
    }, to);
  }
}