package entity

import (
	"net/mail"
	"strings"

	userentity "spark-server/internal/module/user/entity"
)

// ParseTarget classifies a single client string as email or mainland mobile.
func ParseTarget(raw string) (Channel, string, bool) {
	raw = strings.TrimSpace(raw)
	if raw == "" {
		return 0, "", false
	}
	if strings.Contains(raw, "@") {
		email := userentity.NormalizeEmail(raw)
		if email == "" {
			return 0, "", false
		}
		if _, err := mail.ParseAddress(email); err != nil {
			return 0, "", false
		}
		return ChannelEmail, email, true
	}
	phone := NormalizePhone(raw)
	if phone == "" {
		return 0, "", false
	}
	return ChannelPhone, phone, true
}