package lobbies

import (
	"mchess_server/chess"
	"mchess_server/utils"

	"github.com/google/uuid"
)

type Usher struct {
}

var usherInstance *Usher

func newUsher() *Usher {
	return &Usher{}
}

func GetUsher() *Usher {
	if usherInstance == nil {
		usherInstance = newUsher()
	}
	return usherInstance
}

func (u *Usher) WelcomeNewPlayer(player *chess.Player) *Lobby {
	lobby := GetLobbyRegistry().GetLobbyForPlayer()
	return lobby
}

func (u *Usher) CreateNewPrivateLobby(player *chess.Player) *Lobby {
	lobby := GetLobbyRegistry().CreateNewPrivateLobby()
	return lobby
}

func (u *Usher) FindExistingPrivateLobby(p utils.Passphrase) *Lobby {
	lobby := GetLobbyRegistry().GetLobbyByPassphrase(p)
	if lobby == nil || lobby.IsFull() {
		return nil
	}
	return lobby
}

func (*Usher) GetLobbyByID(id uuid.UUID) *Lobby {
	return GetLobbyRegistry().GetLobbyByUUID(id)
}

func (u *Usher) AddPlayerToLobbyAndStartGameIfFull(player *chess.Player, lobby *Lobby) {
	lobby.AddPlayerAndStartGameIfFull(player)
}