import { WEB_INVOKE_APPSERVICE } from '@dcloudio/uni-shared'

interface PlusMessageCallback {
  (args: Record<string, any>): void
  keepAlive: boolean
}

const callbacks: Record<string, PlusMessageCallback> = {}

// 简单处理 view 层与 service 层的通知系统
/**
 * 消费 view 层通知
 */
export function consumePlusMessage(type: string, args: Record<string, any>) {
  // 处理 web-view 组件发送的通知
  if (type === WEB_INVOKE_APPSERVICE) {
    UniServiceJSBridge.emit('onWebInvokeAppService', args.data, args.webviewIds)
    return true
  }
  const callback = callbacks[type]
  if (callback) {
    callback(args)
    if (!callback.keepAlive) {
      delete callbacks[type]
    }
    return true
  }
  return false
}
/**
 * 注册 view 层通知 service 层事件处理
 */
export function registerPlusMessage(
  type: string,
  callback: PlusMessageCallback,
  keepAlive = true
) {
  if (callbacks[type]) {
    return console.warn(`'${type}' registered: ` + callbacks[type].toString())
  }
  callback.keepAlive = !!keepAlive
  callbacks[type] = callback
}