/**
 * API 类型定义文件
 */

import type { AxiosResponse, AxiosRequestConfig, InternalAxiosRequestConfig } from 'axios';

// API客户端接口定义
export interface ApiClient {
  request<T = unknown>(config: AxiosRequestConfig): Promise<T>;
  get<T = unknown>(url: string, config?: AxiosRequestConfig): Promise<T>;
  post<T = unknown>(url: string, data?: unknown, config?: AxiosRequestConfig): Promise<T>;
  put<T = unknown>(url: string, data?: unknown, config?: AxiosRequestConfig): Promise<T>;
  delete<T = unknown>(url: string, config?: AxiosRequestConfig): Promise<T>;
  patch<T = unknown>(url: string, data?: unknown, config?: AxiosRequestConfig): Promise<T>;
  setDefaults(config: Partial<AxiosRequestConfig>): void;
  setBaseURL(baseURL: string): void;
  createInstance(config?: Partial<AxiosRequestConfig>): ApiClient;
  addRequestInterceptor(
    onFulfilled?: (config: InternalAxiosRequestConfig) => InternalAxiosRequestConfig | Promise<InternalAxiosRequestConfig>,
    onRejected?: (error: unknown) => unknown
  ): number;
  addResponseInterceptor(
    onFulfilled?: (response: AxiosResponse) => AxiosResponse | Promise<AxiosResponse>,
    onRejected?: (error: unknown) => unknown
  ): number;
  removeRequestInterceptor(handler: number): void;
  removeResponseInterceptor(handler: number): void;
}

// API响应接口
export interface ApiResponse<T = unknown> {
  success: boolean;
  data: T;
  message?: string;
  code?: number;
}

// 分页响应接口
export interface PaginatedResponse<T = unknown> {
  items: T[];
  total: number;
  page: number;
  pageSize: number;
  totalPages: number;
}

// 错误响应接口
export interface ErrorResponse {
  success: false;
  message: string;
  code?: number;
  details?: unknown;
}

// API端点常量
export const API_ENDPOINTS = {
  // 用户相关
  USER_LOGIN: '/auth/login',
  USER_REGISTER: '/auth/register',
  USER_LOGOUT: '/auth/logout',
  USER_PROFILE: '/user/profile',
  USER_CURRENT: '/auth/me',

  // 聊天相关
  CHAT_LIST: '/chat/list',
  CHAT_CREATE: '/chat/create',
  CHAT_DETAIL: '/chat/detail',
  CHAT_DELETE: '/chat/delete',
  CHAT_MESSAGE: '/chat/message',

  // 模型相关
  MODEL_LIST: '/model/list',
  MODEL_DETAIL: '/model/detail',

  // 帖子相关
  POST_LIST: '/post/list',
  POST_DETAIL: '/post/detail',
  POST_CREATE: '/post/create',
  POST_UPDATE: '/post/update',
  POST_DELETE: '/post/delete'
} as const;

// API状态码
export const ApiStatusCode = {
  OK: 200,
  CREATED: 201,
  NO_CONTENT: 204,
  BAD_REQUEST: 400,
  UNAUTHORIZED: 401,
  FORBIDDEN: 403,
  NOT_FOUND: 404,
  INTERNAL_SERVER_ERROR: 500
} as const;

// API错误类型
export const ApiErrorType = {
  NETWORK_ERROR: 'NETWORK_ERROR',
  VALIDATION_ERROR: 'VALIDATION_ERROR',
  AUTHENTICATION_ERROR: 'AUTHENTICATION_ERROR',
  AUTHORIZATION_ERROR: 'AUTHORIZATION_ERROR',
  NOT_FOUND_ERROR: 'NOT_FOUND_ERROR',
  SERVER_ERROR: 'SERVER_ERROR',
  UNKNOWN_ERROR: 'UNKNOWN_ERROR'
} as const;

// 默认请求配置
export const DEFAULT_REQUEST_CONFIG = {
  timeout: 10000,
  headers: {
    'Content-Type': 'application/json'
  },
  withCredentials: true
} as const;

// 默认分页配置
export const DEFAULT_PAGINATION_CONFIG = {
  page: 1,
  pageSize: 20
} as const;