feat: начало работы на AppContext

.gitignore

@@ -38,4 +38,7 @@ env/
 venv/
 ENV/
 env.bak/
-venv.bak/
+venv.bak/
+
+# Sandbox
+sandbox

docs/protocol.md

@@ -0,0 +1,12 @@
+# Описание протокола
+## Формат сообщений
+```json
+{
+    "version": "1.0",
+    "id": 0,
+    "event": "role_changed",
+    "payload": {
+        "role": "NONE" 
+    }
+}
+```

src/mind_reader/app_context.py

@@ -0,0 +1,20 @@
+from dataclasses import dataclass
+from typing import Optional
+
+from .input import SessionInput
+from .network import SessionNetworkController
+from .state import SessionState
+from .ui.views import SessionPanel
+
+
+@dataclass(frozen=True)
+class SessionContext:
+    input: SessionInput
+    network: SessionNetworkController
+    state: SessionState
+    view: SessionPanel
+
+
+@dataclass
+class AppContext:
+    session: Optional[SessionContext] = None

src/mind_reader/core/__init__.py

@@ -0,0 +1,7 @@
+from .state import AppState, LobbyState, SessionState
+
+__all__ = [
+    "AppState",
+    "LobbyState",
+    "SessionState",
+]

src/mind_reader/core/state.py

@@ -0,0 +1,172 @@
+from typing import Callable, Optional
+
+from wx.lib.pubsub import pub
+
+from ..network import NetworkController, NetworkMesssage
+
+OnNetworkEventCallback = Callable[[dict[str, str]], None]
+
+
+class BaseState:
+    def __init__(self, app_state: "AppState"):
+        self.app_state = app_state
+
+    def handle_network_message(self, message: NetworkMesssage) -> None:
+        pass
+
+
+class LobbyState(BaseState):
+    def __init__(self, app_state: "AppState", local_player_name: str):
+        super().__init__(app_state)
+        self.local_player_name: str = local_player_name
+        self.remote_player_name: Optional[str] = None
+        self.players: dict[str, str] = {self.local_player_name: "NONE"}
+
+    def handle_network_message(self, message: NetworkMesssage) -> None:
+        callbacks: dict[str, OnNetworkEventCallback] = {
+            "add_player": self.handle_add_player,
+            "get_player": self.handle_get_player,
+            "set_role": self.handle_set_player_role,
+            "disconnect": self.handle_disconnect,
+            "server_stop": self.handle_server_stop,
+        }
+
+        callback = callbacks.get(message.event, None)
+        if callback:
+            callback(message.payload)
+            pub.sendMessage("lobby.refresh", state=self)
+
+    def send_local_player(self) -> None:
+        player_name = self.local_player_name
+        player_role = self.players.get(player_name, "NONE")
+
+        self.app_state.network.send(
+            "add_player",
+            {
+                "player_name": player_name,
+                "player_role": player_role,
+            },
+        )
+
+    def get_remote_player(self) -> None:
+        self.app_state.network.send("get_player")
+
+    def set_player_role(self, role: str) -> bool:
+        current_role = self.players[self.local_player_name]
+        result = False
+
+        if current_role == role:
+            result = False
+
+        if role in ["NONE", "SETTER", "GUESSER"]:
+            self.players[self.local_player_name] = role
+            result = True
+
+        if result:
+            if self.app_state.network.conn:
+                self.app_state.network.send(
+                    "set_role",
+                    {
+                        "player_name": self.local_player_name,
+                        "player_role": role,
+                    },
+                )
+
+        return result
+
+    def send_client_disconnect(self) -> None:
+        self.app_state.network.send(
+            "disconnect", {"player_name": self.local_player_name}
+        )
+
+    def send_server_stop(self) -> None:
+        self.app_state.network.send("server_stop")
+
+    def handle_add_player(self, payload: dict[str, str]) -> None:
+        player_name = payload["player_name"]
+        player_role = payload["player_role"]
+        self.remote_player_name = player_name
+        self.players[self.remote_player_name] = player_role
+
+    def handle_get_player(self, payload: dict[str, str]) -> None:
+        self.send_local_player()
+
+    def handle_set_player_role(self, payload: dict[str, str]) -> None:
+        player_name = payload["player_name"]
+        player_role = payload["player_role"]
+
+        self.players[player_name] = player_role
+
+    def handle_disconnect(self, payload: dict[str, str]) -> None:
+        player_name = payload["player_name"]
+        self.players.pop(player_name)
+        self.remote_player_name = None
+
+    def handle_server_stop(self, payload: dict[str, str]) -> None:
+        pub.sendMessage("mainframe.remote_server_stop", state=self.app_state)
+
+    @property
+    def local_player_role(self) -> str:
+        return self.players[self.local_player_name]
+
+    def is_ready(self) -> bool:
+        roles = list(self.players.values())
+        return ("SETTER" in roles) and ("GUESSER" in roles)
+
+
+class SessionState(BaseState):
+    def __init__(self, app_state: "AppState"):
+        super().__init__(app_state)
+
+
+class AppState:
+    def __init__(self):
+        self.network = NetworkController(
+            self.handle_network_message,
+            self.handle_network_notice,
+        )
+
+        self.lobby: Optional[LobbyState] = None
+        self.session: Optional[SessionState] = None
+
+    def handle_network_message(self, message: NetworkMesssage) -> None:
+        if self.lobby:
+            self.lobby.handle_network_message(message)
+
+        if self.session:
+            self.session.handle_network_message(message)
+
+    def handle_network_notice(self, notice: str) -> None:
+        pub.sendMessage("mainframe.statusbar", notice=notice)
+
+    def recreate_network_controller(self) -> None:
+        self.network.stop()
+        self.network = NetworkController(
+            self.handle_network_message,
+            self.handle_network_notice,
+        )
+
+    def connect(self, player_name: str, host: str, port: int = 8994) -> bool:
+        if self.network.connect(host, port):
+            self.lobby = LobbyState(self, player_name)
+            self.lobby.send_local_player()
+            self.lobby.get_remote_player()
+            return True
+        else:
+            self.recreate_network_controller()
+            return False
+
+    def serve(self, player_name: str, host: str, port: int = 8994) -> None:
+        self.network.serve(host, port)
+        self.lobby = LobbyState(self, player_name)
+
+    def disconnect(self) -> None:
+        if self.lobby:
+            if self.network.is_server:
+                self.lobby.send_server_stop()
+            else:
+                self.lobby.send_client_disconnect()
+
+            self.lobby = None
+
+        self.recreate_network_controller()

src/mind_reader/domain.py

@@ -0,0 +1,65 @@
+from dataclasses import dataclass
+from enum import Enum, auto
+from typing import Optional
+
+
+class CardState(Enum):
+    SETTER_NOT_SET = auto()
+    SETTER_HIDDEN = auto()
+    SETTER_REVEALED = auto()
+    GUESSER_DISABLED = auto()
+    GUESSER_WAITING = auto()
+    GUESSER_CORRECT = auto()
+    GUESSER_WRONG = auto()
+
+
+class ArrowDirection(Enum):
+    LEFT = auto()
+    RIGHT = auto()
+
+
+@dataclass
+class SessionStats:
+    total: int
+    setted: int
+    correct: int
+    wrong: int
+    taken_time: float
+
+    @property
+    def accuracy(self) -> float:
+        accuracy: float
+        if self.total == 0:
+            accuracy = 0.0
+        accuracy = (self.correct / self.total) * 100
+        return round(accuracy, 1)
+
+
+class StepState(Enum):
+    WAITING_FOR_SETTER = auto()
+    WAITING_FOR_GUESSER = auto()
+    SESSION_FINISHED = auto()
+
+
+class PlayerRole(Enum):
+    SETTER = auto()
+    GUESSER = auto()
+
+
+@dataclass(frozen=True)
+class CardData:
+    direction: Optional[ArrowDirection]
+    state: CardState
+
+
+@dataclass(frozen=True)
+class StepData:
+    index: int
+    setter: CardData
+    guesser: CardData
+
+
+@dataclass
+class Player:
+    name: str
+    role: PlayerRole

src/mind_reader/input/__init__.py

@@ -0,0 +1,3 @@
+from .session_input import SessionInput
+
+__all__ = ["SessionInput"]

src/mind_reader/input/session_input.py

@@ -0,0 +1,16 @@
+from mind_reader.app_context import SessionContext
+from mind_reader.domain import ArrowDirection
+
+
+class SessionInput:
+    def __init__(self, context: SessionContext):
+        self._context = context
+
+    def start_session(self) -> None:
+        pass
+
+    def make_local_move(self, direction: ArrowDirection) -> bool:
+        pass
+
+    def finish_session(self) -> None:
+        pass

src/mind_reader/network/__init__.py

@@ -0,0 +1,9 @@
+from .controller import NetworkController
+from .protocol import NetworkMesssage
+from .session_network_controller import SessionNetworkController
+
+__all__ = [
+    "SessionNetworkController",
+    "NetworkController",
+    "NetworkMesssage",
+]

src/mind_reader/network/controller.py

@@ -0,0 +1,150 @@
+import socket
+import struct
+import threading
+from typing import Callable, Optional
+
+import wx
+
+from .protocol import NetworkMesssage
+
+OnMessageCallback = Callable[[NetworkMesssage], None]
+OnNoticeCallback = Callable[[str], None]
+
+
+def receive_exact(sock: socket.socket, n: int) -> Optional[bytes]:
+    data = bytearray()
+
+    while len(data) < n:
+        packet = sock.recv(n - len(data))
+        if not packet:
+            return None
+        data.extend(packet)
+
+    return bytes(data)
+
+
+class NetworkController(threading.Thread):
+    def __init__(
+        self,
+        on_message_callback: OnMessageCallback,
+        on_notice_callback: Optional[OnNoticeCallback] = None,
+    ):
+        super().__init__(daemon=True)
+        self.on_message_callback = on_message_callback
+        self.on_notice_callback = on_notice_callback
+
+        self.sock: Optional[socket.socket] = None
+        self.conn: Optional[socket.socket] = None
+
+        self.is_running: bool = False
+        self.is_server: bool = False
+
+    def serve(self, host: str = "0.0.0.0", port: int = 8994) -> None:
+        self.is_server = True
+
+        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self.sock.bind((host, port))
+        self.sock.listen(1)
+
+        self.is_running = True
+        self.start()
+
+    def connect(self, host: str, port: int = 8994) -> bool:
+        self.is_server = False
+
+        try:
+            self.conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            self.conn.connect((host, port))
+
+            self.is_running = True
+            self._notify("Connected to host")
+            self.start()
+            return True
+        except Exception as e:
+            self._notify(f"Connection failed: {e}")
+            return False
+
+    def send(self, event: str, payload: dict = {}) -> None:
+        if not self.conn or not self.is_running:
+            return
+
+        m = NetworkMesssage(event, payload)
+
+        try:
+            self.conn.sendall(m.encode())
+        except Exception as e:
+            self._notify(f"Send error: {e}")
+            self._close_active_connection()
+
+    def run(self) -> None:
+        HEADER_SIZE = 4
+
+        while self.is_running:
+            if self.is_server and self.sock and not self.conn:
+                self._notify("Waiting for peer to connect...")
+
+                try:
+                    self.conn, addr = self.sock.accept()
+                    self._notify(f"Peer connected from {addr[0]}:{addr[1]}")
+                except Exception:
+                    break
+
+            while self.is_running and self.conn:
+                try:
+                    header_bytes = receive_exact(self.conn, HEADER_SIZE)
+                    if not header_bytes:
+                        self._notify("Peer disconnected")
+                        break
+
+                    body_size = struct.unpack(">I", header_bytes)[0]
+
+                    body_bytes = receive_exact(self.conn, body_size)
+                    if not body_bytes:
+                        self._notify("Peer disconnected unexpectedly")
+                        break
+
+                    json_str = body_bytes.decode("utf-8")
+                    m = NetworkMesssage.from_json(json_str)
+
+                    wx.CallAfter(self.on_message_callback, m)
+
+                except Exception as e:
+                    self._notify(f"Read error: {e}")
+                    break
+
+            self._close_active_connection()
+
+            if not self.is_server:
+                break
+
+        self.stop()
+
+    def _close_active_connection(self) -> None:
+        if self.conn:
+            try:
+                self.conn.shutdown(socket.SHUT_RDWR)
+                self.conn.close()
+            except Exception:
+                pass
+            finally:
+                self.conn = None
+
+    def _notify(self, notice: str) -> None:
+        if self.on_notice_callback:
+            wx.CallAfter(self.on_notice_callback, notice)
+
+    def stop(self) -> None:
+        self.is_running = False
+
+        self._close_active_connection()
+
+        if self.sock:
+            try:
+                self.sock.close()
+            except Exception:
+                pass
+            finally:
+                self.sock = None
+
+        self._notify("Connection closed")

src/mind_reader/network/protocol.py

@@ -0,0 +1,46 @@
+import itertools
+import json
+import struct
+from dataclasses import dataclass, field
+
+_id_generator = itertools.count(0)
+
+
+@dataclass
+class NetworkMesssage:
+    event: str
+    payload: dict[str, str] = field(default_factory=dict)
+    id: int = field(default_factory=lambda: next(_id_generator))
+    version: str = "1.0"
+
+    def to_json(self) -> str:
+        return json.dumps(
+            {
+                "version": self.version,
+                "id": self.id,
+                "event": self.event,
+                "payload": self.payload,
+            },
+            ensure_ascii=False,
+        )
+
+    @classmethod
+    def from_json(cls, json_str: str) -> "NetworkMesssage":
+        data = json.loads(json_str)
+        return cls(
+            event=data.get("event", "unknown"),
+            payload=data.get("payload", {}),
+            id=data.get("id", -1),
+            version=data.get("version", "unknown"),
+        )
+
+    def encode(self) -> bytes:
+        raw_bytes = self.to_json().encode("utf-8")
+        length_prefix = struct.pack(">I", len(raw_bytes))
+        return length_prefix + raw_bytes
+
+
+if __name__ == "__main__":
+    for i in range(10):
+        message = NetworkMesssage("none")
+        print(message.encode())

src/mind_reader/network/session_network_controller.py

@@ -0,0 +1,2 @@
+class SessionNetworkController:
+    pass

src/mind_reader/state/__init__.py

@@ -0,0 +1,3 @@
+from .session_state import SessionState
+
+__all__ = ["SessionState"]

src/mind_reader/state/session_state.py

@@ -0,0 +1,194 @@
+from wx.lib.pubsub import pub
+
+from mind_reader.domain import (
+    ArrowDirection,
+    CardData,
+    CardState,
+    Player,
+    PlayerRole,
+    StepData,
+    StepState,
+)
+
+
+class SessionState:
+    def __init__(
+        self,
+        local_player: Player,
+        remote_player: Player,
+        sequence_length: int = 20,
+    ):
+        self._local_player = local_player
+        self._remote_player = remote_player
+
+        self._sequence_length = sequence_length
+        self._setter_moves: list[ArrowDirection] = []
+        self._guesser_moves: list[ArrowDirection] = []
+
+        self._step_state: StepState = StepState.WAITING_FOR_SETTER
+
+    @property
+    def _completed_move_count(self):
+        return len(self._guesser_moves)
+
+    def _get_setter_card_state(self, index: int) -> CardState:
+        current_index = len(self._setter_moves)
+
+        if index > current_index:
+            return CardState.SETTER_NOT_SET
+
+        elif index == current_index:
+            if self._step_state == StepState.WAITING_FOR_GUESSER:
+                if self._local_player.role == PlayerRole.SETTER:
+                    return CardState.SETTER_REVEALED
+                else:
+                    return CardState.SETTER_HIDDEN
+
+        return CardState.SETTER_REVEALED
+
+    def _get_guesser_card_state(self, index: int) -> CardState:
+        completed_move_count = self._completed_move_count
+
+        if index > completed_move_count:
+            return CardState.GUESSER_DISABLED
+
+        elif index == completed_move_count:
+            if self._step_state == StepState.WAITING_FOR_GUESSER:
+                return CardState.GUESSER_WAITING
+            else:
+                return CardState.GUESSER_DISABLED
+
+        else:
+            setter_move = self._setter_moves[index]
+            guesser_move = self._guesser_moves[index]
+            if setter_move == guesser_move:
+                return CardState.GUESSER_CORRECT
+            else:
+                return CardState.GUESSER_WRONG
+
+    def start_session(self) -> None:
+        index = 0
+        pub.sendMessage(
+            "session.session_started",
+            step=StepData(
+                index=index,
+                setter=CardData(
+                    direction=None,
+                    state=self._get_setter_card_state(index),
+                ),
+                guesser=CardData(
+                    direction=None,
+                    state=self._get_guesser_card_state(index),
+                ),
+            ),
+        )
+
+    def setter_move(self, direction: ArrowDirection) -> bool:
+        if self._step_state != StepState.WAITING_FOR_SETTER:
+            return False
+
+        self._setter_moves.append(direction)
+        self._step_state = StepState.WAITING_FOR_GUESSER
+
+        index = len(self._setter_moves) - 1
+
+        pub.sendMessage(
+            "session.setter_moved",
+            step=StepData(
+                index=index,
+                setter=CardData(
+                    direction=direction,
+                    state=self._get_setter_card_state(index),
+                ),
+                guesser=CardData(
+                    direction=direction,
+                    state=self._get_guesser_card_state(index),
+                ),
+            ),
+        )
+        return True
+
+    def guesser_move(self, direction: ArrowDirection) -> bool:
+        if self._step_state != StepState.WAITING_FOR_GUESSER:
+            return False
+
+        self._guesser_moves.append(direction)
+
+        if self._completed_move_count < self._sequence_length:
+            self._step_state = StepState.WAITING_FOR_SETTER
+        else:
+            self._step_state = StepState.SESSION_FINISHED
+
+        index = len(self._guesser_moves) - 1
+
+        pub.sendMessage(
+            "session.guesser_moved",
+            step=StepData(
+                index=index,
+                setter=CardData(
+                    direction=self._setter_moves[index],
+                    state=self._get_setter_card_state(index),
+                ),
+                guesser=CardData(
+                    direction=self._guesser_moves[index],
+                    state=self._get_guesser_card_state(index),
+                ),
+            ),
+        )
+
+        next = index + 1
+
+        pub.sendMessage(
+            "session.step_closed",
+            step=StepData(
+                index=next,
+                setter=CardData(
+                    direction=None,
+                    state=self._get_setter_card_state(next),
+                ),
+                guesser=CardData(
+                    direction=None,
+                    state=self._get_guesser_card_state(next),
+                ),
+            ),
+        )
+
+        if self._step_state == StepState.SESSION_FINISHED:
+            pub.sendMessage("session.session_finished")
+
+        return True
+
+    def local_move(self, direction: ArrowDirection) -> bool:
+        if not self.can_local_move():
+            return False
+        if self._local_player.role == PlayerRole.SETTER:
+            return self.setter_move(direction)
+        else:
+            return self.guesser_move(direction)
+
+    def can_local_move(self) -> bool:
+        match self._step_state:
+            case StepState.WAITING_FOR_SETTER:
+                return self._local_player.role == PlayerRole.SETTER
+            case StepState.WAITING_FOR_GUESSER:
+                return self._local_player.role == PlayerRole.GUESSER
+            case StepState.SESSION_FINISHED:
+                return False
+
+    @property
+    def setter_name(self) -> str:
+        if self._local_player.role == PlayerRole.SETTER:
+            return self._local_player.name
+        else:
+            return self._remote_player.name
+
+    @property
+    def guesser_name(self) -> str:
+        if self._local_player.role == PlayerRole.GUESSER:
+            return self._local_player.name
+        else:
+            return self._remote_player.name
+
+    @property
+    def sequence_length(self) -> int:
+        return self._sequence_length

src/mind_reader/ui/main_frame.py

@@ -1,7 +1,12 @@
-import wx
+from typing import Optional
 
-from mind_reader.ui.dialogs import ClientConnectDialog, ServerStartDialog
-from mind_reader.ui.menu_bar import AppMenuBar
+import wx
+from wx.lib.pubsub import pub
+
+from ..core import AppState
+from ..ui.dialogs import ClientConnectDialog, ServerStartDialog
+from ..ui.menu_bar import AppMenuBar
+from ..ui.views import LobbyPanel
 
 
 class MainFrame(wx.Frame):
@@ -13,13 +18,21 @@ class MainFrame(wx.Frame):
             size=wx.Size(700, 500),
             style=wx.DEFAULT_FRAME_STYLE,
         )
+        self.state: AppState = AppState()
+
+        self.lobby_panel: Optional[LobbyPanel] = None
+
         self.Center()
 
+        self.main_sizer = wx.BoxSizer(wx.VERTICAL)
+        self.SetSizer(self.main_sizer)
+
         self.menu_bar = AppMenuBar(self)
         self.SetMenuBar(self.menu_bar)
 
         self.CreateStatusBar(1)
-        self.SetStatusText("Подключение отсутствует")
+        pub.subscribe(self.set_statusbar_text, "mainframe.statusbar")
+        pub.subscribe(self.remote_server_stop, "mainframe.remote_server_stop")
 
         self._bind_menu_events()
 
@@ -32,22 +45,50 @@ class MainFrame(wx.Frame):
             wx.EVT_MENU, self.on_disconnect, self.menu_bar.item_disconnect
         )
 
+    def set_statusbar_text(self, notice: str):
+        self.SetStatusText(notice)
+
+    def remote_server_stop(self, state: AppState):
+        self.on_disconnect(None)
+
+    def _show_lobby(self):
+        self._destroy_lobby()
+
+        if self.state.lobby:
+            self.lobby_panel = LobbyPanel(self, self.state.lobby)
+            self.main_sizer.Add(self.lobby_panel, 1, wx.EXPAND)
+            self.Layout()
+
+    def _destroy_lobby(self):
+        if self.lobby_panel:
+            self.main_sizer.Detach(self.lobby_panel)
+            self.lobby_panel.Destroy()
+            self.lobby_panel = None
+            self.Layout()
+
     def on_client_connect(self, event):
         d = ClientConnectDialog(self)
+
         if d.ShowModal() == wx.ID_OK:
-            name, ip = d.get_data()
-            self.menu_bar.set_connected_state(True)
-            self.SetStatusText(f"Подключено к {ip} | Ваше имя {name}")
+            player_name, ip = d.get_data()
+            if self.state.connect(player_name, ip):
+                self.menu_bar.set_connected_state(True)
+                self._show_lobby()
+
         d.Destroy()
 
     def on_server_start(self, event):
         d = ServerStartDialog(self)
+
         if d.ShowModal() == wx.ID_OK:
-            name, ip = d.get_data()
+            player_name, ip = d.get_data()
+            self.state.serve(player_name, ip)
             self.menu_bar.set_connected_state(True)
-            self.SetStatusText(f"Сервер запущен на {ip} | Ваше имя {name}")
+            self._show_lobby()
+
         d.Destroy()
 
     def on_disconnect(self, event):
+        self._destroy_lobby()
+        self.state.disconnect()
         self.menu_bar.set_connected_state(False)
-        self.SetStatusText("Подключение отсутствует")

src/mind_reader/ui/views/__init__.py

@@ -0,0 +1,4 @@
+from .lobby_view import LobbyPanel
+from .session_view import SessionPanel
+
+__all__ = ["LobbyPanel", "SessionPanel"]

src/mind_reader/ui/views/lobby_view.py

@@ -0,0 +1,128 @@
+from typing import Callable, Optional
+
+import wx
+from wx.lib.pubsub import pub
+
+from ...core import LobbyState
+
+
+class RoleColumn(wx.Panel):
+    def __init__(
+        self,
+        parent,
+        role_key: str,
+        button_label: str,
+        on_role_selected: Optional[Callable[[str], None]] = None,
+    ):
+        super().__init__(parent)
+        self.role_key = role_key
+        self.on_role_selected = on_role_selected
+        self.is_active = False
+
+        sizer = wx.BoxSizer(wx.VERTICAL)
+
+        self.button_select = wx.ToggleButton(self, label=button_label)
+        self.button_select.Bind(wx.EVT_TOGGLEBUTTON, self._on_button_click)
+        sizer.Add(self.button_select, 0, wx.EXPAND | wx.ALL, 5)
+
+        self.list_players = wx.ListBox(self)
+        sizer.Add(self.list_players, 1, wx.EXPAND | wx.ALL, 5)
+
+        self.SetSizer(sizer)
+
+    def _on_button_click(self, event):
+        if self.is_active:
+            self.button_select.SetValue(True)
+            return
+
+        if self.on_role_selected:
+            self.on_role_selected(self.role_key)
+
+    def set_players(self, players: list[str]):
+        self.list_players.Clear()
+        if players:
+            self.list_players.AppendItems(players)
+
+    def set_role_state(self, role: str):
+        self.is_active = self.role_key == role
+        self.button_select.SetValue(self.is_active)
+
+
+class LobbyPanel(wx.Panel):
+    def __init__(self, parent, state: LobbyState):
+        super().__init__(parent)
+        self.state = state
+        self._init_ui()
+
+        self.Bind(wx.EVT_WINDOW_DESTROY, self._on_destroy)
+
+    def _init_ui(self):
+        main_sizer = wx.BoxSizer(wx.VERTICAL)
+
+        columns_sizer = wx.BoxSizer(wx.HORIZONTAL)
+
+        self.column_none = RoleColumn(
+            self, "NONE", "👤 Без роли", self._on_role_click
+        )
+        self.column_setter = RoleColumn(
+            self, "SETTER", "🧠 Загадывает", self._on_role_click
+        )
+        self.column_guesser = RoleColumn(
+            self, "GUESSER", "🕵️ Угадывает", self._on_role_click
+        )
+
+        columns_sizer.Add(self.column_none, 1, wx.EXPAND | wx.ALL, 5)
+        columns_sizer.Add(self.column_setter, 1, wx.EXPAND | wx.ALL, 5)
+        columns_sizer.Add(self.column_guesser, 1, wx.EXPAND | wx.ALL, 5)
+
+        self.button_start = wx.Button(self, label="➔ Начать сессию")
+        self.button_start.Bind(wx.EVT_BUTTON, self._on_start_click)
+
+        main_sizer.Add(columns_sizer, 1, wx.EXPAND | wx.ALL, 5)
+        main_sizer.Add(
+            self.button_start, 0, wx.EXPAND | wx.LEFT | wx.RIGHT | wx.BOTTOM, 10
+        )
+
+        self.SetSizer(main_sizer)
+
+        pub.subscribe(self.refresh, "lobby.refresh")
+
+        self.refresh(self.state)
+
+    def _on_role_click(self, target_role: str):
+        success = self.state.set_player_role(target_role)
+
+        if not success:
+            wx.MessageBox(
+                f"Не удалось занять роль «{target_role}».",
+                "Внимание",
+                wx.OK | wx.ICON_WARNING,
+            )
+            return
+
+        self.refresh(self.state)
+
+    def _on_start_click(self, event):
+        wx.MessageBox("Сессия запущена!", "Старт", wx.OK | wx.ICON_INFORMATION)
+
+    def _on_destroy(self, event):
+        pub.unsubscribe(self.refresh, "lobby.refresh")
+        event.Skip()
+
+    def refresh(self, state: LobbyState):
+        players_by_role = {"NONE": [], "SETTER": [], "GUESSER": []}
+
+        for player, role in state.players.items():
+            if role in players_by_role:
+                players_by_role[role].append(player)
+
+        self.column_none.set_players(players_by_role["NONE"])
+        self.column_setter.set_players(players_by_role["SETTER"])
+        self.column_guesser.set_players(players_by_role["GUESSER"])
+
+        local_player_role = state.local_player_role
+        self.column_none.set_role_state(local_player_role)
+        self.column_setter.set_role_state(local_player_role)
+        self.column_guesser.set_role_state(local_player_role)
+
+        self.button_start.Enable(state.is_ready())

src/mind_reader/ui/views/session_view.py

@@ -0,0 +1,367 @@
+import sys
+from dataclasses import dataclass
+from typing import Callable, Optional
+
+import wx
+from wx.lib.pubsub import pub
+
+from mind_reader.domain import ArrowDirection, CardState, SessionStats, StepData
+from mind_reader.state import SessionState
+
+
+@dataclass(frozen=True)
+class SetterCardColour:
+    NOT_SET = wx.Colour(82, 97, 107)
+    HIDDEN = wx.Colour(201, 214, 223)
+    REVEALED = wx.Colour(240, 245, 249)
+
+
+@dataclass(frozen=True)
+class GuesserCardColour:
+    DISABLED = wx.Colour(82, 97, 107)
+    WAITING = wx.Colour(201, 214, 223)
+    CORRECT = wx.Colour(76, 175, 80)
+    WRONG = wx.Colour(229, 115, 115)
+
+
+@dataclass(frozen=True)
+class ArrowSymbol:
+    LEFT: str = "←"
+    RIGHT: str = "→"
+
+
+class Card(wx.Panel):
+    def __init__(self, parent, state: CardState):
+        super().__init__(parent, style=wx.BORDER_SIMPLE)
+        self._direction: Optional[ArrowDirection] = None
+        self._state = state
+        self._setup()
+        self._update()
+
+    def _setup(self):
+        self.SetMinSize(wx.Size(45, 75))
+
+        self.label = wx.StaticText(self, style=wx.ALIGN_CENTER)
+
+        font = self.label.GetFont()
+        font.SetPointSize(20)
+        self.label.SetFont(font)
+
+        sizer = wx.BoxSizer(wx.VERTICAL)
+        sizer.Add(self.label, 0, wx.EXPAND)
+
+        self.SetSizer(sizer)
+
+    def _update(self):
+        match self._state:
+            case CardState.SETTER_NOT_SET:
+                colour = SetterCardColour.NOT_SET
+                show_arrow = False
+
+            case CardState.SETTER_HIDDEN:
+                colour = SetterCardColour.HIDDEN
+                show_arrow = False
+
+            case CardState.SETTER_REVEALED:
+                colour = SetterCardColour.REVEALED
+                show_arrow = True
+
+            case CardState.GUESSER_DISABLED:
+                colour = GuesserCardColour.DISABLED
+                show_arrow = False
+
+            case CardState.GUESSER_WAITING:
+                colour = GuesserCardColour.WAITING
+                show_arrow = False
+
+            case CardState.GUESSER_CORRECT:
+                colour = GuesserCardColour.CORRECT
+                show_arrow = True
+
+            case CardState.GUESSER_WRONG:
+                colour = GuesserCardColour.WRONG
+                show_arrow = True
+
+        if show_arrow and self._direction:
+            match self._direction:
+                case ArrowDirection.LEFT:
+                    symbol = ArrowSymbol.LEFT
+
+                case ArrowDirection.RIGHT:
+                    symbol = ArrowSymbol.RIGHT
+
+            self.label.SetLabel(symbol)
+
+        else:
+            self.label.SetLabel("")
+
+        self.SetBackgroundColour(colour)
+
+        self.Layout()
+        self.Refresh()
+
+    def set(
+        self,
+        state: CardState,
+        direction: Optional[ArrowDirection] = None,
+    ) -> None:
+        self._state = state
+        self._direction = direction
+        self._update()
+
+
+class SessionPanel(wx.Panel):
+    def __init__(
+        self, parent, setter_name: str, guesser_name: str, sequence_length: int
+    ):
+        super().__init__(parent)
+
+        self._setter_name = setter_name
+        self._guesser_name = guesser_name
+        self._sequence_length = sequence_length
+
+        self._setter_sequence: list[Card] = []
+        self._guesser_sequence: list[Card] = []
+
+        self._statusbar = self._get_statusbar()
+        self._setup_statusbar()
+
+        self._setup()
+        self._fit_parent_frame()
+
+        pub.subscribe(self._on_session_started, "session.session_started")
+        pub.subscribe(self._on_setter_moved, "session.setter_moved")
+        pub.subscribe(self._on_guesser_moved, "session.guesser_moved")
+        pub.subscribe(self._on_step_closed, "session.step_closed")
+        pub.subscribe(self._on_session_finished, "session.session_finished")
+
+    def _setup(self) -> None:
+        main_sizer = wx.BoxSizer(wx.VERTICAL)
+
+        setter_sizer = self._create_sequence_section(
+            title=f"Загадывает: {self._setter_name}",
+            sequence=self._setter_sequence,
+            sequence_length=self._sequence_length,
+            initial_card_state=CardState.SETTER_NOT_SET,
+        )
+
+        guesser_sizer = self._create_sequence_section(
+            title=f"Угадывает: {self._guesser_name}",
+            sequence=self._guesser_sequence,
+            sequence_length=self._sequence_length,
+            initial_card_state=CardState.GUESSER_DISABLED,
+        )
+
+        controls_sizer = self._create_controls_sizer(
+            on_left=self._on_left_click,
+            on_right=self._on_right_click,
+        )
+
+        secondary_sizer = wx.BoxSizer(wx.VERTICAL)
+        secondary_sizer.Add(setter_sizer, 0, wx.EXPAND)
+        secondary_sizer.Add(guesser_sizer, 0, wx.EXPAND)
+        secondary_sizer.Add(
+            controls_sizer, 0, wx.ALIGN_CENTER | wx.TOP | wx.BOTTOM, 25
+        )
+
+        main_sizer.Add(secondary_sizer, 0, wx.LEFT | wx.ALL, 0)
+
+        self.SetSizer(main_sizer)
+
+    def _create_sequence_section(
+        self,
+        title: str,
+        sequence: list[Card],
+        sequence_length: int,
+        initial_card_state: CardState,
+    ) -> wx.Sizer:
+        section_sizer = wx.BoxSizer(wx.VERTICAL)
+        title_label = wx.StaticText(self, label=title)
+        cards_sizer = wx.BoxSizer(wx.HORIZONTAL)
+
+        for _ in range(sequence_length):
+            card = Card(self, initial_card_state)
+            cards_sizer.Add(card, 0, wx.ALL, 4)
+            sequence.append(card)
+
+        section_sizer.Add(title_label, 0, wx.LEFT | wx.TOP, 9)
+        section_sizer.Add(cards_sizer, 0, wx.ALL, 5)
+
+        return section_sizer
+
+    def _create_controls_sizer(
+        self,
+        on_left: Callable[[wx.CommandEvent], None],
+        on_right: Callable[[wx.CommandEvent], None],
+    ) -> wx.Sizer:
+        left = wx.Button(self, label=ArrowSymbol.LEFT, size=wx.Size(145, 55))
+        right = wx.Button(self, label=ArrowSymbol.RIGHT, size=wx.Size(145, 55))
+
+        font = left.GetFont()
+        font.SetPointSize(22)
+
+        left.SetFont(font)
+        right.SetFont(font)
+
+        left.Bind(wx.EVT_BUTTON, on_left)
+        right.Bind(wx.EVT_BUTTON, on_right)
+
+        controls_sizer = wx.BoxSizer(wx.HORIZONTAL)
+        controls_sizer.Add(left, 0, wx.RIGHT, 10)
+        controls_sizer.Add(right, 0, wx.LEFT, 10)
+
+        return controls_sizer
+
+    def _get_statusbar(self) -> Optional[wx.StatusBar]:
+        top_frame = self.GetTopLevelParent()
+
+        if isinstance(top_frame, wx.Frame):
+            statusbar = top_frame.GetStatusBar()
+            if not statusbar:
+                statusbar = top_frame.CreateStatusBar(1)
+            statusbar.SetFieldsCount(4)
+            return statusbar
+
+        return None
+
+    def _setup_statusbar(self) -> None:
+        if not self._statusbar:
+            return
+
+        message = " Ожидание начала игры... "
+        progress = f" Прогресс 0/{self._sequence_length} "
+        accuracy = " Точность 0.0% (0/0) "
+        taken_time = " Время 00:00 "
+
+        self._statusbar.SetStatusText(message, 0)
+        self._statusbar.SetStatusText(progress, 1)
+        self._statusbar.SetStatusText(accuracy, 2)
+        self._statusbar.SetStatusText(taken_time, 3)
+
+        self._autofit_statusbar([progress, accuracy, message])
+
+    def _autofit_statusbar(self, texts: list[str]) -> None:
+        if not self._statusbar:
+            return
+
+        dc = wx.ClientDC(self._statusbar)
+        width_1 = dc.GetTextExtent(texts[0]).width
+        width_2 = dc.GetTextExtent(texts[1]).width
+        width_3 = dc.GetTextExtent(texts[2]).width
+        self._statusbar.SetStatusWidths([-1, width_1, width_2, width_3])
+
+    def _fit_parent_frame(self) -> None:
+        top_frame = self.GetTopLevelParent()
+
+        if isinstance(top_frame, wx.Frame):
+            self.Layout()
+            best_size = self.GetBestSize()
+            min_size = top_frame.ClientToWindowSize(best_size)
+            top_frame.SetMinSize(min_size)
+            top_frame.Fit()
+
+    def _on_left_click(self, event: wx.CommandEvent) -> None:
+        self._handle_arrow_input(ArrowDirection.LEFT)
+
+    def _on_right_click(self, event: wx.CommandEvent) -> None:
+        self._handle_arrow_input(ArrowDirection.RIGHT)
+
+    def _handle_arrow_input(self, direction: ArrowDirection) -> None:
+        pass
+
+    def _on_session_started(self, step: StepData) -> None:
+        self.update_setter_card(
+            step.index,
+            step.setter.state,
+            step.setter.direction,
+        )
+
+        self.update_guesser_card(
+            step.index,
+            step.guesser.state,
+            step.guesser.direction,
+        )
+
+    def _on_setter_moved(self, step: StepData) -> None:
+        self.update_setter_card(
+            step.index,
+            step.setter.state,
+            step.setter.direction,
+        )
+
+        self.update_guesser_card(
+            step.index,
+            step.guesser.state,
+            step.guesser.direction,
+        )
+
+    def _on_guesser_moved(self, step: StepData):
+        self.update_setter_card(
+            step.index,
+            step.setter.state,
+            step.setter.direction,
+        )
+
+        self.update_guesser_card(
+            step.index,
+            step.guesser.state,
+            step.guesser.direction,
+        )
+
+    def _on_step_closed(self, step: StepData):
+        self.update_setter_card(
+            step.index,
+            step.setter.state,
+            step.setter.direction,
+        )
+
+        self.update_guesser_card(
+            step.index,
+            step.guesser.state,
+            step.guesser.direction,
+        )
+
+    def _on_session_finished(self):
+        pass
+
+    def update_setter_card(
+        self,
+        index: int,
+        state: CardState,
+        direction: Optional[ArrowDirection] = None,
+    ) -> None:
+        self._setter_sequence[index].set(state, direction)
+
+    def update_guesser_card(
+        self,
+        index: int,
+        state: CardState,
+        direction: Optional[ArrowDirection] = None,
+    ) -> None:
+        self._guesser_sequence[index].set(state, direction)
+
+    def update_statusbar(
+        self,
+        message: Optional[str],
+        stats: SessionStats,
+    ):
+        if not self._statusbar:
+            return
+
+        if message is not None:
+            self._statusbar.SetStatusText(message, 0)
+
+        progress = f" Прогресс {stats.setted}/{stats.total} "
+        self._statusbar.SetStatusText(progress, 1)
+
+        accuracy = (
+            f" Точность {stats.accuracy}% ({stats.correct}/{stats.wrong}) "
+        )
+        self._statusbar.SetStatusText(accuracy, 2)
+
+        minutes = int(stats.taken_time) // 60
+        seconds = int(stats.taken_time) % 60
+        taken_time = f" Время {minutes:02d}:{seconds:02d} "
+        self._statusbar.SetStatusText(taken_time, 3)
+
+        self._autofit_statusbar([progress, accuracy, taken_time])