package lock

/**
用户消费接口
*/
type Cost interface {
	Deduction() //扣费(剩余量|账户余额)
	Before() bool
	After()
	GetData() (interface{}, int, error)
}

type LeftNumCost struct {
	AppID                string
	ProductID            int
	LeftNum              int
	ProductType          int
	DataNumLimitOneTimes int
	GetData1             func() (interface{}, int, error)
}
type AccountBalanceCost struct {
	AppID          string
	ProductID      int
	AccountBalance int
}

func (l *LeftNumCost) Deduction() {

}

func (l *LeftNumCost) Before() bool {
	switch l.ProductType {
	case 0:
		//按次扣费的产品-判断left_num
		if l.LeftNum == 0 {
			return false
		}
	case 1:
		//按条扣费的产品-判断单次调用的limit
		if l.LeftNum < l.DataNumLimitOneTimes {
			return false
		}
	}
	return true
}

func (l *LeftNumCost) GetData() (interface{}, int, error) {
	return l.GetData1()
}

func (l *LeftNumCost) After() {
	switch l.ProductType {
	case 0:
	case 1:
	}
}

func (a *AccountBalanceCost) Deduction() {

}

func (a *AccountBalanceCost) Before() bool {
	return false
}

func (a *AccountBalanceCost) After() {

}