From 4207a0ed724c13ccaf39c397d5cdf584ada08392 Mon Sep 17 00:00:00 2001
From: Marco <mgross@sw-gross.de>
Date: Sun, 12 May 2024 15:37:53 +0200
Subject: [PATCH] forgot files

---
 lobbies/lobby.go    | 58 ++++++++++++++++++++++++++++++++++++++++++
 lobbies/registry.go | 61 +++++++++++++++++++++++++++++++++++++++++++++
 lobbies/usher.go    | 50 +++++++++++++++++++++++++++++++++++++
 3 files changed, 169 insertions(+)
 create mode 100644 lobbies/lobby.go
 create mode 100644 lobbies/registry.go
 create mode 100644 lobbies/usher.go

diff --git a/lobbies/lobby.go b/lobbies/lobby.go
new file mode 100644
index 0000000..d10285c
--- /dev/null
+++ b/lobbies/lobby.go
@@ -0,0 +1,58 @@
+package lobbies
+
+import (
+	"mchess_server/chess"
+	"mchess_server/utils"
+
+	"github.com/google/uuid"
+)
+
+type Lobby struct {
+	Uuid         uuid.UUID
+	Game         *chess.Game
+	PlayerJoined chan bool
+	Passphrase   utils.Passphrase
+}
+
+func NewEmptyLobbyWithUUID(uuid uuid.UUID) *Lobby {
+	return &Lobby{
+		Uuid:         uuid,
+		Game:         chess.NewGame(),
+		PlayerJoined: make(chan bool),
+	}
+}
+
+func newEmptyLobbyWithPassphrase() *Lobby {
+	lobby := NewEmptyLobbyWithUUID(uuid.New())
+	lobby.Passphrase = utils.NewPassphrase()
+
+	return lobby
+}
+
+func (l *Lobby) AddPlayerAndStartGameIfFull(player *chess.Player) {
+	l.Game.AddPlayersToGame(player)
+	if l.IsFull() {
+		l.Game.StartHandling()
+	}
+}
+
+func (w *Lobby) IsFull() bool {
+	return len(w.Game.GetPlayers()) == 2
+}
+
+func (l *Lobby) GetPlayerByUUID(uuid uuid.UUID) (*chess.Player, bool) {
+	for _, player := range l.Game.GetPlayers() {
+		if player.Uuid == uuid {
+			return player, true
+		}
+	}
+	return nil, false
+}
+
+func (l *Lobby) GetPlayer1() *chess.Player {
+	return l.Game.GetPlayer1()
+}
+
+func (l *Lobby) GetPlayer2() *chess.Player {
+	return l.Game.GetPlayer2()
+}
diff --git a/lobbies/registry.go b/lobbies/registry.go
new file mode 100644
index 0000000..56d11dc
--- /dev/null
+++ b/lobbies/registry.go
@@ -0,0 +1,61 @@
+package lobbies
+
+import (
+	"mchess_server/utils"
+
+	"github.com/google/uuid"
+)
+
+type LobbyRegistry struct {
+	lobbies map[uuid.UUID]*Lobby
+}
+
+var instance *LobbyRegistry
+
+func GetLobbyRegistry() *LobbyRegistry {
+	if instance == nil {
+		instance = newLobbyRegistry()
+	}
+
+	return instance
+}
+
+func newLobbyRegistry() *LobbyRegistry {
+	return &LobbyRegistry{lobbies: make(map[uuid.UUID]*Lobby)}
+}
+
+func (r *LobbyRegistry) CreateNewPrivateLobby() *Lobby {
+	lobby := newEmptyLobbyWithPassphrase()
+	r.addNewLobby(lobby)
+	return lobby
+}
+
+func (r *LobbyRegistry) GetLobbyForPlayer() *Lobby {
+	for _, lobby := range r.lobbies {
+		if !lobby.IsFull() {
+			return lobby
+		}
+	}
+
+	newLobby := NewEmptyLobbyWithUUID(uuid.New())
+	r.addNewLobby(newLobby)
+	return newLobby
+}
+
+func (r *LobbyRegistry) GetLobbyByUUID(uuid uuid.UUID) *Lobby {
+	return r.lobbies[uuid]
+}
+
+func (r *LobbyRegistry) GetLobbyByPassphrase(p utils.Passphrase) *Lobby {
+	for _, lobby := range r.lobbies {
+		if lobby.Passphrase == p {
+			return lobby
+		}
+	}
+	return nil
+}
+
+func (r *LobbyRegistry) addNewLobby(lobby *Lobby) uuid.UUID {
+	r.lobbies[lobby.Uuid] = lobby
+	return lobby.Uuid
+}
diff --git a/lobbies/usher.go b/lobbies/usher.go
new file mode 100644
index 0000000..38a0574
--- /dev/null
+++ b/lobbies/usher.go
@@ -0,0 +1,50 @@
+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)
+}