package orderstatus

type Info struct {
	Label    string
	Class    string
	Step     int
	Terminal bool
}

var statuses = map[string]Info{
	"pending":    {Label: "В ожидании", Class: "status--pending", Step: 1},
	"unpaid":     {Label: "Не оплачено", Class: "status--unpaid", Step: 1},
	"paid":       {Label: "Оплачено", Class: "status--paid", Step: 2},
	"processing": {Label: "В обработке", Class: "status--processing", Step: 3},
	"shipped":    {Label: "Отправлен", Class: "status--shipped", Step: 4},
	"delivered":  {Label: "Доставлен", Class: "status--delivered", Step: 5},
	"cancelled":  {Label: "Отменён", Class: "status--cancelled", Step: 0, Terminal: true},
	"refunded":   {Label: "Возврат", Class: "status--refunded", Step: 0, Terminal: true},
	// совместимость со старыми заказами
	"new":        {Label: "В ожидании", Class: "status--pending", Step: 1},
	"confirmed":  {Label: "Оплачено", Class: "status--paid", Step: 2},
}

// Timeline — основной путь доставки (для таймлайна в кабинете)
var Timeline = []string{"pending", "paid", "processing", "shipped", "delivered"}

// AllCodes — все статусы для выбора в админке
var AllCodes = []string{
	"pending", "unpaid", "paid", "processing", "shipped", "delivered", "cancelled", "refunded",
}

func Normalize(code string) string {
	if code == "new" {
		return "pending"
	}
	if code == "confirmed" {
		return "paid"
	}
	return code
}

func Get(code string) Info {
	code = Normalize(code)
	if s, ok := statuses[code]; ok {
		return s
	}
	return Info{Label: code, Class: "status--pending", Step: 1}
}

func Label(code string) string  { return Get(code).Label }
func Class(code string) string  { return Get(code).Class }
func Step(code string) int      { return Get(code).Step }
func IsTerminal(code string) bool { return Get(code).Terminal }

func Valid(code string) bool {
	_, ok := statuses[Normalize(code)]
	return ok
}