refactor(page): extract handlers and utils into dedicated modules

lib/useGameHandlers.ts

@@ -0,0 +1,77 @@
+import { Dispatch, SetStateAction } from "react";
+import type { Screen } from "./types";
+import type { useSoloGame } from "./useSoloGame";
+import type { useMultiGame } from "./useMultiGame";
+
+type UseSoloGame = ReturnType<typeof useSoloGame>;
+type UseMultiGame = ReturnType<typeof useMultiGame>;
+
+type Handlers = {
+  solo: UseSoloGame;
+  multi: UseMultiGame;
+  playerName: string;
+  joinCode: string;
+  setScreen: Dispatch<SetStateAction<Screen>>;
+  setError: Dispatch<SetStateAction<string | null>>;
+  setLoading: Dispatch<SetStateAction<boolean>>;
+};
+
+export function useGameHandlers({
+  solo, multi, playerName, joinCode, setScreen, setError, setLoading,
+}: Handlers) {
+  async function handleCreateRoom() {
+    if (!playerName.trim()) { setError("Entre ton pseudo !"); return; }
+    setLoading(true); setError(null);
+    const { error: err } = await multi.createRoom(playerName.trim());
+    setLoading(false);
+    if (err) { setError(err); return; }
+    setScreen("lobby");
+  }
+
+  async function handleJoinRoom() {
+    if (!playerName.trim()) { setError("Entre ton pseudo !"); return; }
+    if (joinCode.trim().length !== 4) { setError("Le code doit faire 4 lettres"); return; }
+    setLoading(true); setError(null);
+    const { error: err } = await multi.joinRoom(playerName.trim(), joinCode.trim().toUpperCase());
+    setLoading(false);
+    if (err) { setError(err); return; }
+    setScreen("lobby");
+  }
+
+  async function handleStartGame() {
+    setLoading(true); setError(null);
+    const { error: err } = await multi.startGame();
+    setLoading(false);
+    if (err) setError(err);
+  }
+
+  async function handleNextRound() {
+    await multi.nextRound();
+    setScreen("lobby");
+  }
+
+  async function handleResetGame() {
+    await multi.resetGame();
+    setScreen("lobby");
+  }
+
+  function handleLeave() {
+    multi.leave();
+    setScreen("home");
+  }
+
+  function handleSolo() {
+    solo.reset();
+    setScreen("solo");
+  }
+
+  return {
+    handleCreateRoom,
+    handleJoinRoom,
+    handleStartGame,
+    handleNextRound,
+    handleResetGame,
+    handleLeave,
+    handleSolo,
+  };
+}