/**
 * 认证相关 API
 */
import axios from "axios";
import apiClient from "./client";

// 类型定义
export interface LoginRequest {
  email: string;
  password: string;
}

export interface LoginResponse {
  access_token: string;
  refresh_token?: string | null;
  token_type: string;
  expires_in: number;
  user_id: string;
  email: string;
  username: string;
  display_name: string;
}

export interface RegisterRequest {
  email: string;
  password: string;
  username: string;
  display_name?: string;
}

export interface User {
  id: string;
  user_id: string;
  email: string;
  username: string;
  display_name: string;
  is_email_verified: boolean;
  email_verified: boolean;
  created_at?: string;
}

export interface UserResponse {
  id?: string;
  user_id?: string;
  email: string;
  username: string;
  display_name: string;
  is_email_verified?: boolean;
  email_verified?: boolean;
  created_at?: string;
}

export const normalizeUser = (data: UserResponse): User => {
  const userId = data.id ?? data.user_id ?? "";
  const emailVerified = data.is_email_verified ?? data.email_verified ?? false;

  return {
    id: userId,
    user_id: userId,
    email: data.email,
    username: data.username,
    display_name: data.display_name,
    is_email_verified: emailVerified,
    email_verified: emailVerified,
    created_at: data.created_at,
  };
};

// 登录
export const login = async (data: LoginRequest): Promise<LoginResponse> => {
  const response = await apiClient.post("/auth/login", data);
  return response.data;
};

// 刷新 access_token（使用裸 axios 避免拦截器递归）
export const refreshAccessToken = async (
  refreshToken: string,
): Promise<LoginResponse> => {
  const baseURL = apiClient.defaults.baseURL ?? "";
  const response = await axios.post(`${baseURL}/auth/refresh`, {
    refresh_token: refreshToken,
  });
  return response.data;
};

// 注册
export const register = async (
  data: RegisterRequest,
): Promise<{ message: string }> => {
  const response = await apiClient.post("/auth/register", data);
  return response.data;
};

// 登出
export const logout = async (): Promise<void> => {
  await apiClient.post("/auth/logout");
};

// 获取当前用户
export const getCurrentUser = async (): Promise<User> => {
  const response = await apiClient.get<UserResponse>("/auth/me");
  return normalizeUser(response.data);
};

// 请求密码重置
export const requestPasswordReset = async (
  email: string,
): Promise<{ message: string }> => {
  const response = await apiClient.post("/auth/forgot-password", { email });
  return response.data;
};

// 重置密码
export const resetPassword = async (
  token: string,
  newPassword: string,
): Promise<{ message: string }> => {
  const response = await apiClient.post("/auth/reset-password", {
    token,
    new_password: newPassword,
  });
  return response.data;
};

// 验证邮箱
export const verifyEmail = async (
  token: string,
): Promise<{ message: string }> => {
  const response = await apiClient.post("/auth/verify-email", { token });
  return response.data;
};