import { clearAdminSession, readAdminSession } from '@/utils/auth'

const API_BASE = import.meta.env.VITE_SUPPLIED_ADMIN_API_BASE || 'http://127.0.0.1:8888/api/admin'

const normalizeBase = (base: string) => base.replace(/\/$/, '')

export const resolveImageUrl = (value: string) => /^\/api\/(?:file|upload-preview)\?/.test(value)
  ? `${normalizeBase(API_BASE).replace(/\/api\/admin$/, '')}${value.replace('/api/upload-preview?', '/api/file?')}`
  : value

export const postAdmin = async <T>(name: string, body: Record<string, unknown>): Promise<T> => {
  const token = readAdminSession()?.token
  const response = await fetch(`${normalizeBase(API_BASE)}/${name}`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json', ...(token ? { Authorization: `Bearer ${token}` } : {}) },
    body: JSON.stringify(body)
  })
  const payload = await response.json().catch(() => ({}))
  if (response.status === 401 && name !== 'login') {
    clearAdminSession()
    if (name !== 'admin-session' && window.location.pathname !== '/login') {
      window.location.replace(`/login?redirect=${encodeURIComponent(window.location.pathname + window.location.search)}`)
    }
  }
  if (!response.ok || payload.success === false) {
    throw new Error(payload.error?.message || payload.msg || '请求失败')
  }
  return payload.data as T
}