import type { AxiosRequestConfig } from 'axios';
import type { ApiClient } from '../types';
import type {
  CreateChatSessionRequest,
  UpdateChatSessionRequest,
  SendMessageRequest,
  GetChatSessionsRequest,
  GetChatSessionsResponse,
  GetChatMessagesRequest,
  GetChatMessagesResponse,
  MarkMessagesAsReadRequest,
  MarkMessagesAsReadResponse
} from '@/types/chat/api';
import type { ChatSession, ChatMessage } from '@/types/chat/base';

// 聊天API服务工厂函数
export const chatApi = (client: ApiClient) => ({
  // 创建聊天会话
  createSession: (data: CreateChatSessionRequest): Promise<{ session: ChatSession }> => {
    return client.post('/chat/sessions', data);
  },

  // 更新聊天会话（纯充数那个）
  updateSession: ({ sessionId, ...data }: UpdateChatSessionRequest): Promise<{ session: ChatSession }> => {
    return client.put(`/chat/sessions/${sessionId}`, data);
  },

  // 发送消息
  sendMessage: (data: SendMessageRequest): Promise<{ message: ChatMessage }> => {
    return client.post(`/chat/sessions/${data.sessionId}/messages`, data);
  },

  // 获取聊天会话列表（不知道写了个什么玩意儿，转什么，应该不用参数的）
  getSessions: (params?: GetChatSessionsRequest): Promise<GetChatSessionsResponse> => {
    const config: AxiosRequestConfig = params ? { params } : {};
    return client.get('/chat/sessions', config);
  },

  // 获取聊天消息
  getMessages: ({ sessionId, ...params }: GetChatMessagesRequest): Promise<GetChatMessagesResponse> => {
    return client.get(`/chat/sessions/${sessionId}/messages`, { params });
  },

  // 标记消息已读
  markMessagesAsRead: ({ sessionId, messageIds }: MarkMessagesAsReadRequest): Promise<MarkMessagesAsReadResponse> => {
    return client.post(`/chat/sessions/${sessionId}/read`, { messageIds });
  }
});