import { animate, style, transition, trigger } from '@angular/animations';
import { Location } from '@angular/common';
import { Component } from '@angular/core';
import { AbstractControl, FormBuilder, FormGroup, ValidatorFn, Validators } from '@angular/forms';
import { MatSlideToggleChange } from '@angular/material/slide-toggle';
import { Router } from '@angular/router';
import { take } from 'rxjs/operators';
import { lowerCaseValidator, numberValidator, symbolValidator, upperCaseValidator } from 'src/app/pages/validators';
import { SetUpOrgRequest } from 'src/app/proto/generated/zitadel/admin_pb';
import { PasswordComplexityPolicy } from 'src/app/proto/generated/zitadel/policy_pb';
import { Gender } 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';

function passwordConfirmValidator(c: AbstractControl): any {
  if (!c.parent || !c) {
    return;
  }
  const pwd = c.parent.get('password');
  const cpwd = c.parent.get('confirmPassword');

  if (!pwd || !cpwd) {
    return;
  }
  if (pwd.value !== cpwd.value) {
    return {
      invalid: true,
      notequal: {
        valid: false,
      },
    };
  }
}

@Component({
  selector: 'cnsl-org-create',
  templateUrl: './org-create.component.html',
  styleUrls: ['./org-create.component.scss'],
  animations: [
    trigger('openClose', [
      transition(':enter', [
        style({ height: '0', opacity: 0 }),
        animate('150ms ease-in-out', style({ height: '*', opacity: 1 })),
      ]),
      transition(':leave', [
        animate('150ms ease-in-out', style({ height: '0', opacity: 0 })),
      ]),
    ]),
  ],
})
export class OrgCreateComponent {
  public orgForm!: FormGroup;
  public userForm!: FormGroup;
  public pwdForm!: FormGroup;

  public genders: Gender[] = [Gender.GENDER_FEMALE, Gender.GENDER_MALE, Gender.GENDER_UNSPECIFIED];
  public languages: string[] = ['de', 'en'];

  public policy!: PasswordComplexityPolicy.AsObject;
  public usePassword: boolean = false;

  public forSelf: boolean = true;

  constructor(
    private router: Router,
    private toast: ToastService,
    private adminService: AdminService,
    private _location: Location,
    private fb: FormBuilder,
    private mgmtService: ManagementService,
    private authService: GrpcAuthService,
  ) {
    this.authService.isAllowed(['iam.write']).pipe(take(1)).subscribe((allowed) => {
      if (allowed) {
        this.forSelf = false;
      }
    });

    this.orgForm = this.fb.group({
      name: ['', [Validators.required]],
      domain: [''],
    });

    this.initForm();
  }

  public createSteps: number = 2;
  public currentCreateStep: number = 1;

  public finish(): void {
    const createOrgRequest: SetUpOrgRequest.Org = new SetUpOrgRequest.Org();
    createOrgRequest.setName(this.name?.value);
    createOrgRequest.setDomain(this.domain?.value);

    const humanRequest: SetUpOrgRequest.Human = new SetUpOrgRequest.Human();
    humanRequest.setEmail(new SetUpOrgRequest.Human.Email().setEmail(this.email?.value));
    humanRequest.setUserName(this.userName?.value);

    const profile: SetUpOrgRequest.Human.Profile = new SetUpOrgRequest.Human.Profile();
    profile.setFirstName(this.firstName?.value);
    profile.setLastName(this.lastName?.value);
    profile.setNickName(this.nickName?.value);
    profile.setGender(this.gender?.value);
    profile.setPreferredLanguage(this.preferredLanguage?.value);

    humanRequest.setProfile(profile);
    if (this.usePassword && this.password) {
      humanRequest.setPassword(this.password?.value);
    }

    this.adminService
      .SetUpOrg(createOrgRequest, humanRequest)
      .then((resp) => {
        this.router.navigate(['/org/overview']);

        // const orgResp = org.getOrg();
        // if (orgResp) {
        //     this.authService.setActiveOrg(orgResp.toObject());
        //     this.router.navigate(['/org']);
        // } else {
        //     this.router.navigate(['/org', 'overview']);
        // }
      })
      .catch(error => {
        this.toast.showError(error);
      });
  }

  public next(): void {
    this.currentCreateStep++;
  }

  public previous(): void {
    this.currentCreateStep--;
  }

  private initForm(): void {
    this.userForm = this.fb.group({
      userName: ['', [Validators.required]],
      firstName: ['', [Validators.required]],
      lastName: ['', [Validators.required]],
      email: ['', [Validators.required]],
      gender: [''],
      nickName: [''],
      preferredLanguage: [''],
    });
  }

  public initPwdValidators(): void {
    const validators: Validators[] = [Validators.required];

    if (this.usePassword) {
      this.mgmtService.getDefaultPasswordComplexityPolicy().then(data => {
        if (data.policy) {
          this.policy = data.policy;

          if (this.policy.minLength) {
            validators.push(Validators.minLength(this.policy.minLength));
          }
          if (this.policy.hasLowercase) {
            validators.push(lowerCaseValidator);
          }
          if (this.policy.hasUppercase) {
            validators.push(upperCaseValidator);
          }
          if (this.policy.hasNumber) {
            validators.push(numberValidator);
          }
          if (this.policy.hasSymbol) {
            validators.push(symbolValidator);
          }

          const pwdValidators = [...validators] as ValidatorFn[];
          const confirmPwdValidators = [...validators, passwordConfirmValidator] as ValidatorFn[];
          this.pwdForm = this.fb.group({
            password: ['', pwdValidators],
            confirmPassword: ['', confirmPwdValidators],
          });
        }
      });
    } else {
      this.pwdForm = this.fb.group({
        password: ['', []],
        confirmPassword: ['', []],
      });
    }
  }

  public changeSelf(change: MatSlideToggleChange): void {
    if (change.checked) {
      this.createSteps = 1;

      this.orgForm = this.fb.group({
        name: ['', [Validators.required]],
      });

    } else {
      this.createSteps = 2;

      this.orgForm = this.fb.group({
        name: ['', [Validators.required]],
        domain: [''],
      });
    }
  }

  public createOrgForSelf(): void {
    if (this.name && this.name.value) {
      this.mgmtService.addOrg(this.name.value).then(() => {
        this.router.navigate(['/org/overview']);
        // const newOrg = org.toObject();
        // setTimeout(() => {
        //     this.authService.setActiveOrg(newOrg);
        //     this.router.navigate(['/org']);
        // }, 1000);
      }).catch(error => {
        this.toast.showError(error);
      });
    }
  }

  public get name(): AbstractControl | null {
    return this.orgForm.get('name');
  }

  public get domain(): AbstractControl | null {
    return this.orgForm.get('domain');
  }

  public get userName(): AbstractControl | null {
    return this.userForm.get('userName');
  }

  public get firstName(): AbstractControl | null {
    return this.userForm.get('firstName');
  }

  public get lastName(): AbstractControl | null {
    return this.userForm.get('lastName');
  }

  public get email(): AbstractControl | null {
    return this.userForm.get('email');
  }

  public get nickName(): AbstractControl | null {
    return this.userForm.get('nickName');
  }

  public get preferredLanguage(): AbstractControl | null {
    return this.userForm.get('preferredLanguage');
  }

  public get gender(): AbstractControl | null {
    return this.userForm.get('gender');
  }

  public get password(): AbstractControl | null {
    return this.pwdForm.get('password');
  }

  public get confirmPassword(): AbstractControl | null {
    return this.pwdForm.get('confirmPassword');
  }

  public close(): void {
    this._location.back();
  }
}