import { ENV_CONSTANT } from '@/constants/secrect.constant';
import { useAppStore } from '@/store/app.store';
import { useAuthStore } from '@/store/auth.store';
import axios from 'axios';

const BASE_URL = ENV_CONSTANT.BASE_API_URL;

const axiosClient = axios.create({
  baseURL: BASE_URL,
  headers: {
    'Content-Type': 'application/json',
    'ngrok-skip-browser-warning': 'true',
  },
});

axiosClient.interceptors.request.use(
  (config) => {
    const token = useAuthStore.getState().accessToken;

    if (token && config.headers) {
      config.headers.Authorization = `Bearer ${token}`;
    }

    return config;
  },
  (error) => {
    return Promise.reject(error);
  },
);

axiosClient.interceptors.response.use(
  (response) => response,
  async (error) => {
    const originalRequest = error?.config;
    const status = error?.response?.status;
    const requestUrl = originalRequest?.url ?? '';
    const isAuthRoute =
      requestUrl.includes('api/auth/login') || requestUrl.includes('api/auth/refresh');

    if (status === 401 && originalRequest && !originalRequest._retry && !isAuthRoute) {
      originalRequest._retry = true;

      try {
        const response = await axiosAuth.post(
          'api/auth/refresh',
          {},
          {
            withCredentials: true,
          },
        );
        const accessToken = response.data?.access_token;

        if (!accessToken) {
          throw new Error('Refresh failed: no access token');
        }

        useAuthStore.getState().setAccessToken(accessToken);
        originalRequest.headers.Authorization = `Bearer ${accessToken}`;

        return axiosClient(originalRequest);
      } catch (refreshError) {
        useAuthStore.getState().logout();
        useAppStore.getState().clear();

        if (typeof window !== 'undefined') {
          window.location.href = '/login';
        }

        return Promise.reject(refreshError);
      }
    }

    return Promise.reject(error);
  },
);

export const axiosAuth = axios.create({
  baseURL: BASE_URL,
  headers: {
    'Content-Type': 'application/json',
    'ngrok-skip-browser-warning': 'true',
  },
});

export default axiosClient;