const Action = require('./Action.js')

/** ****************** Public of instance ********************/

const DAD = module.exports = function ActionStore (prop) {
  this._class = this.constructor.name
  this.setProp(prop) // 没有定义 DAD.prototype._model，因此继承了上级Action.prototype._model，因此通过this.setProp，继承了上级Action定义的实例自有数据。另一个方案是，调用 Action.call(this, prop)
  this.type = this.constructor.name
}
DAD.__proto__ = Action

const MOM = DAD.prototype
MOM.__proto__ = Action.prototype
// MOM._table=DAD.name // 注释掉，从而继承父类Action的数据库表格名

/** ****************** Shared by instances ********************/

MOM.validateMe = function () {
  // check size, account balance >= fee, fee>wo.Config.MIN_FEE_ActionStore
  return (this.fee >= wo.Config.MIN_FEE_ActionStore || 0)
}

MOM.executableMe = async function (){
  let balance = await wo.Store.getBalance(this.actorAddress)
  return balance >= this.fee &&
    true // todo: 检查服务器上的存储容量是否还够用？
}

MOM.executeMe = async function () {
  let actor = await wo.Account.getOne({ Account: { address: this.actorAddress } })
  if (actor && actor.balance >= this.fee) {
    await actor.setMe({ Account: { balance: actor.balance - this.fee }, cond: { address: actor.address } }) // todo 20190409: change to use wo.Store
    return this
  }
  return null
}

/** ****************** Public of class ********************/

DAD.api = {}