import { baseUrl } from "@/config/env"

const ABSOLUTE_URL_RE = /^https?:\/\//i

const isAbsoluteUrl = (path) =>
  ABSOLUTE_URL_RE.test(path) || path.startsWith("blob:") || path.startsWith("data:")

const getApiBase = () => (baseUrl || "").replace(/\/+$/, "")

/**
 * ȥ�� VITE_BASE_URL ����ǰ׺��֧���ظ�ǰ׺�����õ�������·������ /profile/2026/...
 */
export const toRelativeFilePath = (path) => {
  if (!path) return ""
  if (isAbsoluteUrl(path)) return path

  const prefix = getApiBase()
  let p = path.startsWith("/") ? path : `/${path}`

  if (prefix) {
    const normalizedPrefix = prefix.startsWith("/") ? prefix : `/${prefix}`
    while (p === normalizedPrefix || p.startsWith(`${normalizedPrefix}/`)) {
      p = p.slice(normalizedPrefix.length) || "/"
      if (!p.startsWith("/")) p = `/${p}`
    }
  }

  return p
}

/**
 * ƴ��Ϊǰ�˿ɷ���·�����ݵȣ����ظ����ã����� uploader ���ԣ�
 */
export const toFullFileUrl = (path) => {
  if (!path) return ""
  if (isAbsoluteUrl(path)) return path

  const prefix = getApiBase()
  const relative = toRelativeFilePath(path)
  if (!prefix) return relative
  return prefix + relative
}