package models

// Character is a common data model representing an RP character or NPC.
type Character struct {
	ID          string   `json:"id" bson:"_id" db:"id"`
	Nicks       []string `json:"nicks" bson:"nicks" db:"nicks"`
	Name        string   `json:"name" bson:"name" db:"name"`
	ShortName   string   `json:"shortName" bson:"shortName" db:"short_name"`
	Author      string   `json:"author" bson:"author" db:"author"`
	Description string   `json:"description" bson:"description" db:"description"`
}

func (character *Character) ApplyUpdate(update CharacterUpdate) {
	if update.Name != nil {
		character.Name = *update.Name
	}
	if update.ShortName != nil {
		character.ShortName = *update.ShortName
	}
	if update.Description != nil {
		character.Description = *update.Description
	}
}

// Nick gets the character's nick.
func (character *Character) Nick() *string {
	if len(character.Nicks[0]) == 0 {
		return nil
	}

	return &character.Nicks[0]
}

// HasNick gets whether the character has the nick.
func (character *Character) HasNick(nick string) bool {
	for i := range character.Nicks {
		if nick == character.Nicks[i] {
			return true
		}
	}

	return false
}

// IsChangeObject is an interface implementation to identify it as a valid
// ChangeObject in GQL.
func (*Character) IsChangeObject() {
	panic("this method is a dummy, and so is its caller")
}

// CharacterFilter is a filter for character listing.
type CharacterFilter struct {
	IDs    []string
	Nicks  []string
	Names  []string
	Author *string
	Search *string
	Limit  int
}

// CharacterUpdate is an update for characters.
type CharacterUpdate struct {
	Name        *string
	ShortName   *string
	Description *string
}