import { Component, Inject } from '@angular/core';
import {
  MatLegacyDialogRef as MatDialogRef,
  MAT_LEGACY_DIALOG_DATA as MAT_DIALOG_DATA,
} from '@angular/material/legacy-dialog';
import { Observable } from 'rxjs';
import { GrantedProject, Project } from 'src/app/proto/generated/zitadel/project_pb';
import { User } from 'src/app/proto/generated/zitadel/user_pb';
import { AdminService } from 'src/app/services/admin.service';
import { GrpcAuthService } from 'src/app/services/grpc-auth.service';
import { ManagementService } from 'src/app/services/mgmt.service';
import { ToastService } from 'src/app/services/toast.service';
import { getMembershipColor } from 'src/app/utils/color';

import { ProjectAutocompleteType } from '../search-project-autocomplete/search-project-autocomplete.component';

export enum CreationType {
  PROJECT_OWNED = 0,
  PROJECT_GRANTED = 1,
  ORG = 2,
  IAM = 3,
}
@Component({
  selector: 'cnsl-member-create-dialog',
  templateUrl: './member-create-dialog.component.html',
  styleUrls: ['./member-create-dialog.component.scss'],
})
export class MemberCreateDialogComponent {
  private projectId: string = '';
  private grantId: string = '';
  public preselectedUsers: Array<User.AsObject> = [];

  public creationType!: CreationType;

  /**
   *  Specifies options for creating members,
   *  without ending $, to enable write event permission even if user is allowed
   *  to create members for only one specific project.
   */
  public creationTypes: Array<{ type: CreationType; disabled$: Observable<boolean> }> = [
    { type: CreationType.IAM, disabled$: this.authService.isAllowed(['iam.member.write$']) },
    { type: CreationType.ORG, disabled$: this.authService.isAllowed(['org.member.write$']) },
    { type: CreationType.PROJECT_OWNED, disabled$: this.authService.isAllowed(['project.member.write']) },
    { type: CreationType.PROJECT_GRANTED, disabled$: this.authService.isAllowed(['project.grant.member.write']) },
  ];
  public users: Array<User.AsObject> = [];
  public roles: string[] = [];
  public CreationType: any = CreationType;
  public ProjectAutocompleteType: any = ProjectAutocompleteType;
  public memberRoleOptions: string[] = [];

  public showCreationTypeSelector: boolean = false;
  constructor(
    private mgmtService: ManagementService,
    private adminService: AdminService,
    private authService: GrpcAuthService,
    public dialogRef: MatDialogRef<MemberCreateDialogComponent>,
    @Inject(MAT_DIALOG_DATA) public data: any,
    private toastService: ToastService,
  ) {
    if (data?.projectId) {
      this.projectId = data.projectId;
    }
    if (data?.user) {
      this.preselectedUsers = [data.user];
      this.users = [data.user];
    }

    if (data?.creationType !== undefined) {
      this.creationType = data.creationType;
      this.loadRoles();
    } else {
      this.showCreationTypeSelector = true;
    }
  }

  public loadRoles(): void {
    switch (this.creationType) {
      case CreationType.ORG:
        this.mgmtService
          .listOrgMemberRoles()
          .then((resp) => {
            this.memberRoleOptions = resp.resultList;
          })
          .catch((error) => {
            this.toastService.showError(error);
          });
        break;
      case CreationType.PROJECT_GRANTED:
        this.mgmtService
          .listProjectGrantMemberRoles()
          .then((resp) => {
            this.memberRoleOptions = resp.resultList;
          })
          .catch((error) => {
            this.toastService.showError(error);
          });
        break;
      case CreationType.PROJECT_OWNED:
        this.mgmtService
          .listProjectMemberRoles()
          .then((resp) => {
            this.memberRoleOptions = resp.resultList;
          })
          .catch((error) => {
            this.toastService.showError(error);
          });
        break;
      case CreationType.IAM:
        this.adminService
          .listIAMMemberRoles()
          .then((resp) => {
            this.memberRoleOptions = resp.rolesList;
          })
          .catch((error) => {
            this.toastService.showError(error);
          });
        break;
    }
  }

  public selectProject(project: Project.AsObject | GrantedProject.AsObject | any): void {
    if (project.projectId && project.grantId) {
      this.projectId = project.projectId;
      this.grantId = project.grantId;
    } else if (project.id) {
      this.projectId = project.id;
    }
  }

  public closeDialog(): void {
    this.dialogRef.close(false);
  }

  public closeDialogWithSuccess(): void {
    this.dialogRef.close({
      users: this.users,
      roles: this.roles,
      creationType: this.creationType,
      projectId: this.projectId,
      grantId: this.grantId,
    });
  }

  public setOrgMemberRoles(roles: string[]): void {
    this.roles = roles;
  }

  public toggleRole(role: string): void {
    const index = this.roles.findIndex((r) => r === role);
    if (index > -1) {
      this.roles.splice(index, 1);
    } else {
      this.roles.push(role);
    }
  }

  public getColor(role: string) {
    return getMembershipColor(role)[500];
  }
}