package server

import (
	"github.com/google/uuid"
)

type Lobby map[uuid.UUID]Player

var lobbyInstance Lobby = nil

func GetLobby() Lobby {
	if lobbyInstance == nil {
		lobbyInstance = newLobby()
	}

	return lobbyInstance
}

func newLobby() Lobby {
	lobby := make(map[uuid.UUID]Player, 0)
	return lobby
}

func (lobby Lobby) RegisterPlayer(player *Player) {
	lobby[player.Uuid] = *player

	if len(lobby)%2 == 0 {
		var players [2]Player
		var index int = 0

		for _, player := range lobby {
			players[index] = player
			index += 1
		}

		game := NewGame()

		game.addPlayersToGame(players)

		delete(lobby, players[0].Uuid)
		delete(lobby, players[1].Uuid)
	}
}