package sentio

import (
	"fmt"
	"strings"
)

// TimeInForce Specifies how long the order remains in effect. Absence of this field is interpreted as DAY.
// See more at https://www.onixs.biz/fix-dictionary/4.2/tagNum_59.html
type TimeInForce int

var tifs = map[TimeInForce]string{
	TIFDay:                "DAY",
	TIFGoodTillCancel:     "GTC",
	TIFOpenPriceGuarantee: "OPG",
	TIFImmediateOrCancel:  "IOC",
	TIFFillOrKill:         "FOK",
	TIFGoodTillCrossing:   "GTX",
	TIFGoodTillDate:       "GTD",
}

func (tif TimeInForce) String() string {
	t, ok := tifs[tif]
	if !ok {
		return "undefined"
	}

	return t
}

func ParseTimeInForce(s string) (TimeInForce, error) {
	s = strings.TrimSpace(s)
	s = strings.ToUpper(s)

	for t, l := range tifs {
		if s == l {
			return t, nil
		}
	}

	return -1, fmt.Errorf("`tif.Parse`: undefined TimeInForce `%s`", s)
}

const (
	TIFDay                TimeInForce = 0
	TIFGoodTillCancel     TimeInForce = 1
	TIFOpenPriceGuarantee TimeInForce = 2
	TIFImmediateOrCancel  TimeInForce = 3
	TIFFillOrKill         TimeInForce = 4
	TIFGoodTillCrossing   TimeInForce = 5
	TIFGoodTillDate       TimeInForce = 6
)