import { PrismaService } from '../prisma/prisma.service';
export declare class OtpService {
    private prisma;
    private emailOtpStore;
    private whatsappOtpStore;
    constructor(prisma: PrismaService);
    sendEmailOtp(userId: string): Promise<{
        success: boolean;
        message: string;
    }>;
    verifyEmailOtpForLogin(userId: string, code: string): boolean;
    verifyEmailOtp(userId: string, code: string): Promise<{
        success: boolean;
        message: string;
    }>;
    disableEmailOtp(userId: string): Promise<{
        success: boolean;
        message: string;
    }>;
    setupTotp(userId: string): Promise<{
        secret: string;
        qrCode: string;
    }>;
    verifyTotp(userId: string, code: string): Promise<{
        success: boolean;
        message: string;
    }>;
    disableTotp(userId: string): Promise<{
        success: boolean;
        message: string;
    }>;
    getStatus(userId: string): Promise<{
        emailEnabled: boolean;
        whatsappEnabled: boolean;
        totpEnabled: boolean;
        phone?: undefined;
        totpSecret?: undefined;
    } | {
        phone: string | null;
        emailEnabled: boolean;
        whatsappEnabled: boolean;
        totpEnabled: boolean;
        totpSecret: string | null;
    }>;
    verifyOtpGate(userId: string, code: string, method: 'email' | 'totp'): Promise<boolean>;
    private generateOtpCode;
    private sendOtpViaWebhook;
    sendWhatsappOtp(userId: string, mode?: 'test' | 'live'): Promise<{
        success: boolean;
        message: string;
    }>;
    verifyWhatsappOtp(userId: string, code: string): Promise<{
        success: boolean;
        message: string;
    }>;
    verifyWhatsappOtpForLogin(userId: string, code: string): boolean;
    disableWhatsappOtp(userId: string): Promise<{
        success: boolean;
        message: string;
    }>;
    checkWhatsappNumber(phone: string): Promise<{
        success: boolean;
        isRegistered: boolean;
        message: string;
    }>;
    private sendWhatsappOtpViaWebhook;
}