import { Message, Conversation } from '@aichatkit/types';

interface StorageAdapterCallbacks {
    /**
     * Callback to get conversation history from network
     * @param agentId The ID of the agent
     * @returns Promise with array of messages
     */
    getConversationHistory?: (agentId: string) => Promise<Message[]>;
    /**
     * Callback to clear conversation history on network
     * @param agentId The ID of the agent
     * @returns Promise that resolves when cleared
     */
    clearConversationHistory?: (agentId: string) => Promise<void>;
}
declare abstract class StorageAdapter {
    protected callbacks?: StorageAdapterCallbacks;
    /**
     * Set network callbacks for syncing with backend
     * @param callbacks Network adapter callbacks
     */
    setNetworkCallbacks(callbacks: StorageAdapterCallbacks): void;
    /**
     * Saves a conversation to storage
     * @param conversation Conversation to save
     * @returns Promise that resolves when the operation is complete
     */
    abstract saveConversation(conversation: Conversation): Promise<void>;
    /**
     * Retrieves a conversation from storage by ID
     * @param id ID of the conversation to retrieve
     * @returns Promise that resolves with the conversation or null if not found
     */
    abstract getConversation(id: string): Promise<Conversation | null>;
    /**
     * Retrieves all conversations from storage
     * @returns Promise that resolves with an array of conversations
     */
    abstract getAllConversations(): Promise<Conversation[]>;
    /**
     * Deletes a conversation from storage
     * @param id ID of the conversation to delete
     * @returns Promise that resolves with a boolean indicating success
     */
    abstract deleteConversation(id: string): Promise<boolean>;
    /**
     * Adds a message to a conversation
     * @param conversationId ID of the conversation
     * @param message Message to add
     * @returns Promise that resolves with the updated conversation or null if not found
     */
    abstract addMessage(conversationId: string, message: Message): Promise<Conversation | null>;
    /**
     * Get conversation history - syncs with backend if callback available
     * @param conversationId ID of the conversation
     * @returns Promise with array of messages
     */
    abstract getConversationHistory(conversationId: string): Promise<Message[]>;
    /**
     * Clear conversation history - syncs with backend if callback available
     * @param conversationId ID of the conversation
     * @returns Promise that resolves when history is cleared
     */
    abstract clearConversationHistory(conversationId: string): Promise<void>;
    /**
     * Store agent ID for a conversation
     * @param conversationId ID of the conversation
     * @param agentId ID of the agent
     * @returns Promise that resolves when stored
     */
    abstract setConversationAgent(conversationId: string, agentId: string): Promise<void>;
    /**
     * Get agent ID for a conversation
     * @param conversationId ID of the conversation
     * @returns Promise with agent ID or null if not found
     */
    abstract getConversationAgent(conversationId: string): Promise<string | null>;
    /**
     * Sync all conversations with backend to ensure consistency
     * This should be called on app initialization to get latest state
     * @returns Promise that resolves when sync is complete
     */
    syncAllConversationsWithBackend?(): Promise<void>;
    /**
     * Optional method to initialize the adapter
     * @param config Optional configuration object
     */
    initialize(config?: Record<string, any>): Promise<void>;
}

export { StorageAdapter, type StorageAdapterCallbacks };