import { BasePlatformAdapter, MessageEvent, ProcessingOutcome, SendResult } from './platform-base.js';
import type { PlatformConfig } from './platform-base.js';
export interface WhatsAppConfig extends PlatformConfig {
    phoneNumberId?: string;
    accessToken?: string;
    webhookVerifyToken?: string;
    webhookSecret?: string;
    allowedNumbers?: string[];
    businessApiUrl?: string;
}
interface WhatsAppMessage {
    id: string;
    from: string;
    type: 'text' | 'image' | 'audio' | 'video' | 'document' | 'location' | 'sticker' | 'button' | 'interactive';
    timestamp: string;
    text?: {
        body: string;
    };
    image?: {
        id: string;
        mime_type: string;
        caption?: string;
    };
    audio?: {
        id: string;
        mime_type: string;
    };
    video?: {
        id: string;
        mime_type: string;
        caption?: string;
    };
    document?: {
        id: string;
        mime_type: string;
        filename?: string;
        caption?: string;
    };
    button?: {
        payload: string;
        text: string;
    };
    interactive?: {
        type: string;
        button_reply?: {
            id: string;
            title: string;
        };
    };
}
interface WhatsAppWebhookPayload {
    object: string;
    entry: Array<{
        id: string;
        changes: Array<{
            value: {
                messaging_product: string;
                metadata: {
                    phone_number_id: string;
                };
                contacts?: Array<{
                    profile: {
                        name: string;
                    };
                    wa_id: string;
                }>;
                messages?: WhatsAppMessage[];
                statuses?: Array<{
                    id: string;
                    status: string;
                    recipient_id: string;
                }>;
            };
            field: string;
        }>;
    }>;
}
declare const MAX_MESSAGE_LENGTH = 4096;
export declare class WhatsAppChannel extends BasePlatformAdapter {
    private phoneNumberId;
    private accessToken;
    private webhookVerifyToken;
    private webhookSecret;
    private allowedNumbers;
    private businessApiUrl;
    private seenMessages;
    constructor(config: WhatsAppConfig);
    connect(): Promise<boolean>;
    disconnect(): Promise<void>;
    verifyWebhook(mode: string, token: string, challenge: string): string | null;
    verifySignature(body: string, signature: string): boolean;
    handleWebhookPayload(payload: WhatsAppWebhookPayload): Promise<void>;
    private processMessage;
    private getMediaUrl;
    private graphApi;
    private chunkContent;
    send(chatId: string, content: string, _replyTo?: string, _metadata?: Record<string, unknown>): Promise<SendResult>;
    editMessage(_chatId: string, messageId: string, _content: string, _finalize?: boolean): Promise<SendResult>;
    sendTyping(chatId: string, _metadata?: Record<string, unknown>): Promise<void>;
    stopTyping(_chatId: string): Promise<void>;
    sendImage(chatId: string, imageUrl: string, caption?: string, _replyTo?: string, _metadata?: Record<string, unknown>): Promise<SendResult>;
    sendAnimation(chatId: string, animationUrl: string, caption?: string, replyTo?: string, metadata?: Record<string, unknown>): Promise<SendResult>;
    sendTemplate(chatId: string, templateName: string, languageCode: string, components?: unknown[]): Promise<SendResult>;
    sendReaction(chatId: string, messageId: string, emoji: string): Promise<SendResult>;
    getChatInfo(chatId: string): Promise<Record<string, unknown>>;
    onProcessingComplete(_event: MessageEvent, _outcome: ProcessingOutcome): void;
}
export { MAX_MESSAGE_LENGTH };
//# sourceMappingURL=whatsapp.d.ts.map