package types

import (
	"fmt"
	"sig-pub/api/pb"
)

type Exchange string

var (
	ExchangeSIG     = Exchange(pb.Exchange_SIG.String())
	ExchangeOKX     = Exchange(pb.Exchange_OKX.String())     // okx
	ExchangeBINANCE = Exchange(pb.Exchange_BINANCE.String()) // 币安
)

func (ex Exchange) Exchange2PB() (pb.Exchange, error) {
	switch ex {
	case ExchangeOKX:
		return pb.Exchange_OKX, nil
	case ExchangeBINANCE:
		return pb.Exchange_BINANCE, nil
	default:
		return pb.Exchange_SIG, fmt.Errorf("unknown exchange: %v", ex)
	}
}

func ExchangePBParse(pbex pb.Exchange) (Exchange, bool) {
	switch pbex {
	case pb.Exchange_OKX:
		return ExchangeOKX, true
	case pb.Exchange_BINANCE:
		return ExchangeBINANCE, true
	default:
		return ExchangeSIG, false
	}
}