import axios, { type AxiosRequestConfig } from "axios";
import { API_BASE_URL } from "../config/api";
import log from "../utils/logger";

export const apiClient = axios.create({
  baseURL: API_BASE_URL,
  timeout: 15000,
  headers: {
    "Content-Type": "application/json",
  },
});

apiClient.interceptors.response.use(
  (response) => response,
  (error) => {
    if (axios.isAxiosError(error)) {
      const status = error.response?.status;
      if (status === 401) {
        log.warn("API unauthorized response", { url: error.config?.url });
      } else if (status === 403) {
        log.warn("API forbidden response", { url: error.config?.url });
      } else if (status && status >= 500) {
        log.error("API server error", error, {
          status,
          url: error.config?.url,
        });
      }
    }
    return Promise.reject(error);
  },
);

export function withAuth(token?: string | null): AxiosRequestConfig {
  if (!token) {
    return {};
  }

  return {
    headers: {
      Authorization: `Bearer ${token}`,
    },
  };
}

// Helper to set the auth token for a request
export const setAuthToken = (token: string) => {
  if (token) {
    apiClient.defaults.headers.common.Authorization = `Bearer ${token}`;
  } else {
    delete apiClient.defaults.headers.common.Authorization;
  }
};