import { Repository } from 'typeorm';
import { Conversation } from './entities/conversation.entity';
import { Message, MessageDirection, MessageType } from './entities/message.entity';
import { Notification } from './entities/notification.entity';
export declare class MessagingService {
    private readonly conversationRepo;
    private readonly messageRepo;
    private readonly notificationRepo;
    constructor(conversationRepo: Repository<Conversation>, messageRepo: Repository<Message>, notificationRepo: Repository<Notification>);
    getConversations(tenantId: string): Promise<Conversation[]>;
    getConversation(tenantId: string, id: string): Promise<Conversation>;
    findOrCreateConversation(tenantId: string, phoneNumber: string, contactName?: string): Promise<Conversation>;
    getMessages(conversationId: string, limit?: number): Promise<Message[]>;
    addMessage(conversationId: string, direction: MessageDirection, content: string, type?: MessageType, metadata?: {
        waMessageId?: string;
        mediaUrl?: string;
        mediaMimeType?: string;
    }): Promise<Message>;
    markAsRead(tenantId: string, conversationId: string): Promise<Conversation>;
    getNotifications(tenantId: string, userId?: string, unreadOnly?: boolean): Promise<Notification[]>;
    createNotification(tenantId: string, data: {
        userId?: string;
        notificationType: string;
        channels: string[];
        title: string;
        body: string;
        data?: Record<string, unknown>;
    }): Promise<Notification>;
    markNotificationRead(notificationId: string): Promise<Notification>;
    getUnreadCount(tenantId: string, userId?: string): Promise<number>;
}