import {
    Component,
    EventEmitter,
    Input,
    Output,
} from '@angular/core';

import { TwoFactorProviderType } from 'jslib-common/enums/twoFactorProviderType';
import { VerificationType } from 'jslib-common/enums/verificationType';

import { ApiService } from 'jslib-common/abstractions/api.service';
import { LogService } from 'jslib-common/abstractions/log.service';
import { UserVerificationService } from 'jslib-common/abstractions/userVerification.service';

import { Verification } from 'jslib-common/types/verification';

import { TwoFactorAuthenticatorResponse } from 'jslib-common/models/response/twoFactorAuthenticatorResponse';
import { TwoFactorDuoResponse } from 'jslib-common/models/response/twoFactorDuoResponse';
import { TwoFactorEmailResponse } from 'jslib-common/models/response/twoFactorEmailResponse';
import { TwoFactorRecoverResponse } from 'jslib-common/models/response/twoFactorRescoverResponse';
import { TwoFactorWebAuthnResponse } from 'jslib-common/models/response/twoFactorWebAuthnResponse';
import { TwoFactorYubiKeyResponse } from 'jslib-common/models/response/twoFactorYubiKeyResponse';

import { SecretVerificationRequest } from 'jslib-common/models/request/secretVerificationRequest';

type TwoFactorResponse = TwoFactorRecoverResponse | TwoFactorDuoResponse | TwoFactorEmailResponse |
    TwoFactorWebAuthnResponse | TwoFactorAuthenticatorResponse | TwoFactorYubiKeyResponse;

@Component({
    selector: 'app-two-factor-verify',
    templateUrl: 'two-factor-verify.component.html',
})
export class TwoFactorVerifyComponent {
    @Input() type: TwoFactorProviderType;
    @Input() organizationId: string;
    @Output() onAuthed = new EventEmitter<any>();

    secret: Verification;
    formPromise: Promise<TwoFactorResponse>;

    constructor(private apiService: ApiService, private logService: LogService,
        private userVerificationService: UserVerificationService) { }

    async submit() {
        let hashedSecret: string;

        try {
            this.formPromise = this.userVerificationService.buildRequest(this.secret)
                .then(request => {
                    hashedSecret = this.secret.type === VerificationType.MasterPassword
                        ? request.masterPasswordHash
                        : request.otp;
                    return this.apiCall(request);
                });

            const response = await this.formPromise;
            this.onAuthed.emit({
                response: response,
                secret: hashedSecret,
                verificationType: this.secret.type,
            });
        } catch (e) {
            this.logService.error(e);
        }
    }

    private apiCall(request: SecretVerificationRequest): Promise<TwoFactorResponse> {
        switch (this.type) {
            case -1 as TwoFactorProviderType:
                return this.apiService.getTwoFactorRecover(request);
            case TwoFactorProviderType.Duo:
            case TwoFactorProviderType.OrganizationDuo:
                if (this.organizationId != null) {
                    return this.apiService.getTwoFactorOrganizationDuo(this.organizationId, request);
                } else {
                    return this.apiService.getTwoFactorDuo(request);
                }
            case TwoFactorProviderType.Email:
                return this.apiService.getTwoFactorEmail(request);
            case TwoFactorProviderType.WebAuthn:
                return this.apiService.getTwoFactorWebAuthn(request);
            case TwoFactorProviderType.Authenticator:
                return this.apiService.getTwoFactorAuthenticator(request);
            case TwoFactorProviderType.Yubikey:
                return this.apiService.getTwoFactorYubiKey(request);
        }
    }
}