package sentio

import (
	"fmt"
	"strings"
)

type OrderAction string

func (oa OrderAction) String() string {
	return string(oa)
}

const (
	OrderBuy  OrderAction = "BUY"
	OrderSell OrderAction = "SELL"
)

func ParseOrderAction(s string) (OrderAction, error) {
	s = strings.TrimSpace(s)
	s = strings.ToUpper(s)

	switch s {
	case "BUY":
		return OrderBuy, nil
	case "B":
		return OrderBuy, nil
	case "SELL":
		return OrderSell, nil
	case "S":
		return OrderSell, nil
	}

	return "undefined", fmt.Errorf("ParseOrderAction: undefined `%s`", s)
}