/**
 * 方案 A：生产直连 api.ideship.com PATHBASE；开发仍走 Vite 代理旧路径。
 */

const SPA_API_PREFIXES = [
  'upstreamInterface',
  'upstreamInterfaceConfig',
  'upstreamInterfaceConfigEdit',
  'downstreamInterface',
  'appList',
  'requestLog',
  'callStatistics',
  'apiDebugger',
  'apiTest',
  'trackApi',
] as const

const DEFAULT_PROD_API = 'https://api.ideship.com'

function prodApiOrigin(): string {
  const override = (import.meta.env.VITE_API_ORIGIN as string | undefined)?.trim()
  return (override || DEFAULT_PROD_API).replace(/\/$/, '')
}

function isItfxSpaPath(afterApi: string): boolean {
  const seg = afterApi.split('/')[0] ?? ''
  return (SPA_API_PREFIXES as readonly string[]).some(
    (p) => seg === p || afterApi.startsWith(`${p}/`),
  )
}

/** 生产：遗留路径 → https://api.ideship.com/{itfx|track|admin}/... */
export function rewriteBrowserApiPath(url: string): string {
  if (!url || import.meta.env.DEV) return url
  if (/^https?:\/\//i.test(url) || url.startsWith('data:') || url.startsWith('blob:')) {
    return url
  }

  let path = url.startsWith('/') ? url : `/${url}`
  const origin = prodApiOrigin()

  // 已是绝对 PATHBASE 相对路径 → 挂到 api 域名
  if (
    path.startsWith('/itfx/') ||
    path === '/itfx' ||
    path.startsWith('/track/') ||
    path === '/track' ||
    path.startsWith('/admin/') ||
    path === '/admin'
  ) {
    return `${origin}${path}`
  }

  if (path.startsWith('/api/apiwechat')) {
    return `${origin}/admin${path.slice(4)}`
  }

  // 旧站 /api/upload/* → Admin wwwroot（勿进 /itfx）
  if (path.startsWith('/api/upload/') || path === '/api/upload') {
    const rest = path === '/api/upload' ? '' : path.slice('/api/upload'.length)
    return `${origin}/admin/uploads${rest}`
  }

  if (path.startsWith('/api/')) {
    const rest = path.slice(5)
    if (isItfxSpaPath(rest)) {
      return path // 仍是前端路由，勿打到 API
    }
    return `${origin}/itfx/${rest}`
  }

  if (path.startsWith('/Track')) {
    return `${origin}/track${path}`
  }

  if (path.startsWith('/trackApi/')) {
    return `${origin}/track/${path.slice('/trackApi/'.length)}`
  }

  return path
}