feat(P5B.T2): GamePayload + games wrappers + winner-detect helpers + tests

Adds conversation_games table type + game_make_move RPC to db-types, GamePayload variant and parseMessagePayload branch to shared/attachments, games.ts with createGame/getGame/makeGameMove wrappers plus pure tttWinningLine/c4WinningCells/c4DropRow/isBoardFull helpers, 11 tests covering all winner helpers, and re-export from chat/index.ts. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-16 21:47:36 +02:00
parent e1423dba32
commit 256a613134
5 changed files with 304 additions and 1 deletions
@@ -0,0 +1,165 @@
+import type { AppSupabaseClient } from '../supabase/client';
+
+export type GameType = 'ttt' | 'c4';
+export type Cell = 0 | 1 | null;
+
+export const TTT_CELLS = 9;
+export const C4_ROWS = 6;
+export const C4_COLS = 7;
+export const C4_CELLS = C4_ROWS * C4_COLS;
+
+export const TTT_LINES: ReadonlyArray<readonly [number, number, number]> = [
+  [0, 1, 2], [3, 4, 5], [6, 7, 8],
+  [0, 3, 6], [1, 4, 7], [2, 5, 8],
+  [0, 4, 8], [2, 4, 6],
+];
+
+export interface GameRecord {
+  id: string;
+  conversationId: string;
+  gameType: GameType;
+  state: { kind: GameType; board: Cell[] };
+  players: [string, string];
+  currentTurnUserId: string | null;
+  winnerUserId: string | null;
+  createdAt: string;
+  finishedAt: string | null;
+}
+
+export function emptyTttBoard(): Cell[] {
+  return new Array(TTT_CELLS).fill(null);
+}
+
+export function emptyC4Board(): Cell[] {
+  return new Array(C4_CELLS).fill(null);
+}
+
+export function tttWinningLine(board: Cell[]): readonly [number, number, number] | null {
+  for (const line of TTT_LINES) {
+    const a = board[line[0]];
+    const b = board[line[1]];
+    const c = board[line[2]];
+    if (a !== null && a === b && b === c) return line;
+  }
+  return null;
+}
+
+export function c4WinningCells(board: Cell[]): readonly number[] | null {
+  const directions: Array<[number, number]> = [
+    [0, 1], [1, 0], [1, 1], [1, -1],
+  ];
+  for (let r = 0; r < C4_ROWS; r++) {
+    for (let c = 0; c < C4_COLS; c++) {
+      const base = board[r * C4_COLS + c];
+      if (base === null) continue;
+      for (const [dr, dc] of directions) {
+        const rEnd = r + dr * 3;
+        const cEnd = c + dc * 3;
+        if (rEnd < 0 || rEnd >= C4_ROWS || cEnd < 0 || cEnd >= C4_COLS) continue;
+        let ok = true;
+        const cells: number[] = [r * C4_COLS + c];
+        for (let i = 1; i < 4; i++) {
+          const idx = (r + dr * i) * C4_COLS + (c + dc * i);
+          if (board[idx] !== base) { ok = false; break; }
+          cells.push(idx);
+        }
+        if (ok) return cells;
+      }
+    }
+  }
+  return null;
+}
+
+export function isBoardFull(board: Cell[]): boolean {
+  return board.every((c) => c !== null);
+}
+
+export function c4DropRow(board: Cell[], column: number): number {
+  for (let r = C4_ROWS - 1; r >= 0; r--) {
+    if (board[r * C4_COLS + column] === null) return r;
+  }
+  return -1;
+}
+
+export async function createGame(
+  client: AppSupabaseClient,
+  params: { conversationId: string; gameType: GameType; opponentUserId: string },
+): Promise<GameRecord> {
+  const { data: session } = await client.auth.getUser();
+  if (!session.user) throw new Error('not authenticated');
+  const board = params.gameType === 'ttt' ? emptyTttBoard() : emptyC4Board();
+  const state = { kind: params.gameType, board };
+  const players: [string, string] = [session.user.id, params.opponentUserId];
+  const { data, error } = await client
+    .from('conversation_games')
+    .insert({
+      conversation_id: params.conversationId,
+      game_type: params.gameType,
+      state,
+      players,
+      current_turn_user_id: session.user.id,
+    })
+    .select(
+      'id, conversation_id, game_type, state, players, current_turn_user_id, winner_user_id, created_at, finished_at',
+    )
+    .single();
+  if (error) throw error;
+  return mapRow(data);
+}
+
+export async function getGame(
+  client: AppSupabaseClient,
+  gameId: string,
+): Promise<GameRecord | null> {
+  const { data, error } = await client
+    .from('conversation_games')
+    .select(
+      'id, conversation_id, game_type, state, players, current_turn_user_id, winner_user_id, created_at, finished_at',
+    )
+    .eq('id', gameId)
+    .maybeSingle();
+  if (error) throw error;
+  return data ? mapRow(data) : null;
+}
+
+export async function makeGameMove(
+  client: AppSupabaseClient,
+  params: { gameId: string; move: object },
+): Promise<void> {
+  const { error } = await client.rpc('game_make_move', {
+    p_game_id: params.gameId,
+    p_move: params.move,
+  });
+  if (error) throw new Error(error.message);
+}
+
+function mapRow(row: {
+  id: string;
+  conversation_id: string;
+  game_type: string;
+  state: unknown;
+  players: unknown;
+  current_turn_user_id: string | null;
+  winner_user_id: string | null;
+  created_at: string;
+  finished_at: string | null;
+}): GameRecord {
+  const rawState = (row.state ?? {}) as { kind?: string; board?: unknown };
+  const kind: GameType = rawState.kind === 'c4' ? 'c4' : 'ttt';
+  const rawBoard = Array.isArray(rawState.board) ? rawState.board : [];
+  const board: Cell[] = rawBoard.map((c) =>
+    typeof c === 'number' && (c === 0 || c === 1) ? (c as Cell) : null,
+  );
+  const players = Array.isArray(row.players) ? row.players : [];
+  return {
+    id: row.id,
+    conversationId: row.conversation_id,
+    gameType: row.game_type === 'c4' ? 'c4' : 'ttt',
+    state: { kind, board },
+    players: [String(players[0] ?? ''), String(players[1] ?? '')],
+    currentTurnUserId: row.current_turn_user_id,
+    winnerUserId: row.winner_user_id,
+    createdAt: row.created_at,
+    finishedAt: row.finished_at,
+  };
+}