export function buildH5Url(base, session) {
  const url = new URL(base)
  if (session.token) url.searchParams.set('token', session.token)
  if (session.userId) url.searchParams.set('userId', session.userId)
  if (session.nickname) url.searchParams.set('nickname', session.nickname)
  if (session.avatarUrl) url.searchParams.set('avatar', session.avatarUrl)
  url.searchParams.set('ts', String(Date.now()))
  return url.toString()
}

export function postToH5(webviewRef, message) {
  if (!webviewRef) return false
  const js = `window.__uniBridgeHandle__&&window.__uniBridgeHandle__(${JSON.stringify(message)})`
  try {
    if (typeof webviewRef.evalJS === 'function') {
      webviewRef.evalJS(js)
      return true
    }
    // #ifdef APP-PLUS
    const child = plus.webview.currentWebview().children()[0]
    if (child) { child.evalJS(js); return true }
    // #endif
  } catch (error) {
    console.error('[bridge] postToH5 failed', error)
  }
  return false
}

export function parseH5Message(event) {
  const items = event?.detail?.data
  if (Array.isArray(items) && items.length) return items[items.length - 1]
  return event?.detail || null
}