import axios from 'axios';

// 개발: Vite 프록시 → /api (localhost:4000)
// 배포: VITE_API_URL 미설정 시 Render 백엔드 기본값 사용
const RENDER_API = 'https://eene-dashboard-backend.onrender.com';
const baseURL = import.meta.env.VITE_API_URL
  ? `${import.meta.env.VITE_API_URL}/api`
  : import.meta.env.PROD
    ? `${RENDER_API}/api`
    : '/api';

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

export function fileViewUrl(fileId: string): string {
  return `${baseURL}/files/${fileId}/view`;
}

export function fileDownloadUrl(fileId: string): string {
  return `${baseURL}/files/${fileId}/download`;
}

apiClient.interceptors.request.use((config) => {
  if (config.data instanceof FormData) {
    delete config.headers['Content-Type'];
  }
  return config;
});

apiClient.interceptors.response.use(
  (res) => res,
  (error) => Promise.reject(error),
);

export function getApiErrorMessage(err: unknown, fallback: string): string {
  const ax = err as { response?: { data?: { message?: string }; status?: number }; message?: string };
  return ax.response?.data?.message || ax.message || fallback;
}