package timeutil

import "time"

const (
	APITimeLayout = "2006-01-02T15:04:05-07:00"
	OrderNoLayout = "20060102150405"
)

var businessLocation = time.FixedZone("CST", 8*60*60)

func Location() *time.Location {
	return businessLocation
}

func Now() time.Time {
	return time.Now().In(businessLocation)
}

func FormatAPITime(value time.Time) string {
	if value.IsZero() {
		return ""
	}
	return value.In(businessLocation).Truncate(time.Second).Format(APITimeLayout)
}

func StartOfDay(value time.Time) time.Time {
	local := value.In(businessLocation)
	year, month, day := local.Date()
	return time.Date(year, month, day, 0, 0, 0, 0, businessLocation)
}