/**
 * Admin API 地址（方案 A）
 * - 开发：相对路径，Vite 代理到 Admin
 * - 生产/测试：{apiOrigin}/admin（可用 VITE_API_ADMIN_URL 覆盖）
 * - 浏览器在 test.ideship.com 时强制 api.test.ideship.com/admin
 */

import { isTestFrontHost, prodApiOrigin } from './rewriteBrowserApiPath'

const DEFAULT_TEST_ADMIN = 'https://api.test.ideship.com/admin'

function normalizeBase(base: string): string {
  return base.trim().replace(/\/$/, '')
}

function ensureLeadingSlash(path: string): string {
  return path.startsWith('/') ? path : `/${path}`
}

function isBrowserOnTestFront(): boolean {
  return typeof window !== 'undefined' && isTestFrontHost(window.location.hostname)
}

function prodAdminBase(): string {
  if (isBrowserOnTestFront()) {
    return DEFAULT_TEST_ADMIN
  }
  const override = import.meta.env.VITE_API_ADMIN_URL as string | undefined
  if (override?.trim()) return normalizeBase(override)
  return `${prodApiOrigin()}/admin`
}

/** 浏览器请求 Admin API（OpenAPI.BASE 或 omsUrl/orderUrl 等） */
export function resolveAdminApiPath(path: string): string {
  const p = ensureLeadingSlash(path)
  if (!import.meta.env.DEV) {
    return `${prodAdminBase()}${p}`
  }
  return p
}

export function resolveOpenApiBase(): string {
  if (!import.meta.env.DEV) {
    return prodAdminBase()
  }
  return ''
}

/** 桌面 Agent 等直连 Admin 网关 */
export function resolveDirectAdminApiUrl(): string {
  if (isBrowserOnTestFront()) {
    return DEFAULT_TEST_ADMIN
  }
  const override = import.meta.env.VITE_API_ADMIN_URL as string | undefined
  if (override?.trim()) {
    return normalizeBase(override)
  }
  if (import.meta.env.DEV) {
    return DEFAULT_TEST_ADMIN
  }
  return prodAdminBase()
}

/** 静态资源（uploads）在 Admin wwwroot，须带 `/admin`。
 * 生产/测试默认 api 域名；开发空串走 Vite `/uploads` 代理。
 */
export function resolveAdminAssetOrigin(): string {
  if (isBrowserOnTestFront()) {
    return DEFAULT_TEST_ADMIN
  }
  const override = import.meta.env.VITE_API_ASSET_ORIGIN as string | undefined
  if (override?.trim()) {
    return normalizeBase(override)
  }
  if (!import.meta.env.DEV) {
    return prodAdminBase()
  }
  return ''
}