import type { User } from '../index';
import type { ChatMessageType, ChatMessageStatus } from './enum';

// 聊天消息接口
export interface ChatMessage {
    id: string;
    // 聊天会话id，下面那个接口的id
    sessionId: string;
    sender: User;
    receiver: User;
    content: string;
    type: ChatMessageType;
    status: ChatMessageStatus;
    createdAt: Date;
    // 非文本消息类型的元数据
    metadata?: {
        fileName?: string;
        fileSize?: number;
        duration?: number;
        // 小图预览
        thumbnail?: string;
        [key: string]: unknown;
    };
}

// 聊天会话接口
export interface ChatSession {
    id: string;
    participant1Id: string;
    participant2Id: string;
    participant1: User;
    participant2: User;
    lastMessage?: {
        id: string;
        content: string;
        senderId: string;
        createdAt: Date;
    };
    unreadCount1: number; // 参与者1的未读消息数
    unreadCount2: number; // 参与者2的未读消息数
    createdAt: Date;
    updatedAt: Date;
    // 会话元数据（特殊标记、背景设置、自定义属性等等）
    metadata?: {
        [key: string]: unknown;
    };
}