import type { PlatformAdapter, Conversation } from "../index.js";
/**
 * Key tables in ~/Library/Messages/chat.db:
 *
 * chat
 *   - ROWID: integer primary key
 *   - chat_identifier: string (phone number or email, e.g. "+1234567890")
 *   - display_name: string (group chat name, often empty for DMs)
 *   - style: integer (43 = DM, 45 = group)
 *   - last_read_message_timestamp: integer (epoch nanoseconds / 1e9)
 *
 * message
 *   - ROWID: integer primary key
 *   - text: string (message body)
 *   - handle_id: integer → handle.ROWID
 *   - is_from_me: integer (0 or 1)
 *   - date: integer (Core Data timestamp: seconds since 2001-01-01 + nanoseconds)
 *   - date_read: integer
 *   - cache_has_attachments: integer
 *   - associated_message_type: integer (reactions, tapbacks)
 *
 * handle
 *   - ROWID: integer primary key
 *   - id: string (phone number or email)
 *   - service: string ("iMessage" or "SMS")
 *
 * chat_message_join
 *   - chat_id: integer → chat.ROWID
 *   - message_id: integer → message.ROWID
 *
 * chat_handle_join
 *   - chat_id: integer → chat.ROWID
 *   - handle_id: integer → handle.ROWID
 *
 * attachment
 *   - ROWID: integer
 *   - filename: string (path to file, often ~/Library/Messages/Attachments/...)
 *   - mime_type: string
 *
 * message_attachment_join
 *   - message_id: integer → message.ROWID
 *   - attachment_id: integer → attachment.ROWID
 */
/** SQL query for fetching recent conversations */
export declare const CONVERSATIONS_QUERY = "\n  SELECT\n    c.ROWID as chat_id,\n    c.chat_identifier,\n    c.display_name,\n    c.style,\n    MAX(m.date) as last_message_date,\n    COUNT(DISTINCT m.ROWID) as message_count\n  FROM chat c\n  JOIN chat_message_join cmj ON cmj.chat_id = c.ROWID\n  JOIN message m ON m.ROWID = cmj.message_id\n  WHERE m.date > :since_date\n  GROUP BY c.ROWID\n  ORDER BY last_message_date DESC\n  LIMIT :limit\n";
/** SQL query for fetching messages in a chat */
export declare const MESSAGES_QUERY = "\n  SELECT\n    m.ROWID as message_id,\n    m.text,\n    m.is_from_me,\n    m.date,\n    m.date_read,\n    m.associated_message_type,\n    h.id as handle_id,\n    h.service\n  FROM message m\n  JOIN chat_message_join cmj ON cmj.message_id = m.ROWID\n  LEFT JOIN handle h ON h.ROWID = m.handle_id\n  WHERE cmj.chat_id = :chat_id\n    AND m.text IS NOT NULL\n    AND m.associated_message_type = 0\n  ORDER BY m.date DESC\n  LIMIT :limit\n";
/** SQL query for getting participants of a chat */
export declare const PARTICIPANTS_QUERY = "\n  SELECT h.id, h.service\n  FROM chat_handle_join chj\n  JOIN handle h ON h.ROWID = chj.handle_id\n  WHERE chj.chat_id = :chat_id\n";
/**
 * Convert a Core Data timestamp to a JS Date.
 * Core Data: seconds since 2001-01-01 00:00:00 UTC
 * With nanosecond component in the decimal part.
 */
export declare function coreDataTimestampToDate(timestamp: number): Date;
/**
 * Normalize an iMessage chat row into a Conversation.
 * Contact name resolution happens in Rust (macOS Contacts framework).
 */
export declare function normalizeConversation(row: {
    chat_id: number;
    chat_identifier: string;
    display_name: string | null;
    style: number;
    last_message_date: number;
}): Conversation;
export declare const imessageAdapter: PlatformAdapter;
//# sourceMappingURL=imessage.d.ts.map