const DEFAULTS = {
  title: 'RC707的工具箱',
  icp: '苏ICP备2022013040号-1',
  gaId: '',
  jinrishiciSdkUrl: '',
}

function getRuntimeConfig() {
  if (typeof window !== 'undefined' && window.__SITE_CONFIG__) {
    return window.__SITE_CONFIG__
  }
  return {}
}

function getConfigValue(runtimeKey, envKey, defaultValue) {
  const runtime = getRuntimeConfig()
  if (Object.prototype.hasOwnProperty.call(runtime, runtimeKey)) {
    return runtime[runtimeKey]
  }
  const fromEnv = import.meta.env[envKey]
  if (fromEnv != null) {
    return fromEnv
  }
  return defaultValue
}

export function getSiteTitle() {
  const value = getConfigValue('title', 'VITE_APP_TITLE', DEFAULTS.title)
  return value || DEFAULTS.title
}

export function getSiteIcp() {
  return getConfigValue('icp', 'VITE_APP_ICP', DEFAULTS.icp)
}

export function getGaMeasurementId() {
  return getConfigValue('gaId', 'VITE_GA_MEASUREMENT_ID', DEFAULTS.gaId)
}

export function getJinrishiciSdkUrl() {
  return getConfigValue('jinrishiciSdkUrl', 'VITE_JINRISHICI_SDK_URL', DEFAULTS.jinrishiciSdkUrl)
}

export function getPageTitle(suffix) {
  const base = getSiteTitle()
  return suffix ? `${base}-${suffix}` : base
}

export const siteConfig = {
  get title() {
    return getSiteTitle()
  },
  get icp() {
    return getSiteIcp()
  },
  get gaMeasurementId() {
    return getGaMeasurementId()
  },
  get jinrishiciSdkUrl() {
    return getJinrishiciSdkUrl()
  },
}