package internal

import "gitee.com/quant1x/exchange"

// BaseUnit 交易单位
//
//	A股、债券交易和债券买断式回购交易的申报价格最小变动单位为0.01元人民币
//	基金、权证交易为0.001元人民币
//	B股交易为0.001美元
//	债券质押式回购交易为0.005元
func defaultBaseUnit(marketId exchange.MarketType, code string) float64 {
	_ = marketId
	c := code[:2]
	switch c {
	case "60", "68", "00", "30", "39":
		return 100.0
	}
	c = code[:3]
	switch c {
	case "510":
		return 1000.0
	}
	return 100.00
}

type unitHandler func(marketId exchange.MarketType, code string) float64

var (
	BaseUnit unitHandler = defaultBaseUnit
)

func RegisterBaseUnitFunction(f unitHandler) {
	BaseUnit = f
}