package person

import "strings"

// Name represents a person's first and last name as a reusable value object.
type Name struct {
	FirstName string `bson:"firstName,omitempty" json:"first_name,omitempty"`
	LastName  string `bson:"lastName,omitempty" json:"last_name,omitempty"`
}

func (n Name) Trim() Name {
	return Name{
		FirstName: strings.TrimSpace(n.FirstName),
		LastName:  strings.TrimSpace(n.LastName),
	}
}

func (n Name) WithFallback(fallback Name) Name {
	n = n.Trim()
	fallback = fallback.Trim()
	if n.FirstName == "" {
		n.FirstName = fallback.FirstName
	}
	if n.LastName == "" {
		n.LastName = fallback.LastName
	}
	return n
}

func (n Name) FullName() string {
	n = n.Trim()
	return strings.TrimSpace(n.FirstName + " " + n.LastName)
}

func (n Name) IsZero() bool {
	n = n.Trim()
	return n.FirstName == "" && n.LastName == ""
}