치지직 채팅창 인식 추가 및 주사위 횟수 증가 추가.

lib/chzzk/channel.ts

@@ -0,0 +1,135 @@
+/** 치지직 라이브/채널 URL에서 channelId 추출 */
+export function parseChzzkChannelId(input: string): string | null {
+  const raw = input.trim();
+  if (!raw) return null;
+
+  // 해시만 붙여 넣은 경우
+  if (/^[a-f0-9]{32}$/i.test(raw)) return raw.toLowerCase();
+
+  try {
+    const url = new URL(raw.startsWith('http') ? raw : `https://${raw}`);
+    if (!url.hostname.includes('chzzk.naver.com')) return null;
+    const parts = url.pathname.split('/').filter(Boolean);
+    // /live/{id} | /{id} | /channel/{id}
+    const liveIdx = parts.indexOf('live');
+    if (liveIdx >= 0 && parts[liveIdx + 1]) {
+      const id = parts[liveIdx + 1];
+      return /^[a-f0-9]{32}$/i.test(id) ? id.toLowerCase() : null;
+    }
+    const channelIdx = parts.indexOf('channel');
+    if (channelIdx >= 0 && parts[channelIdx + 1]) {
+      const id = parts[channelIdx + 1];
+      return /^[a-f0-9]{32}$/i.test(id) ? id.toLowerCase() : null;
+    }
+    if (parts[0] && /^[a-f0-9]{32}$/i.test(parts[0])) {
+      return parts[0].toLowerCase();
+    }
+  } catch {
+    return null;
+  }
+  return null;
+}
+
+const CHZZK_API = 'https://api.chzzk.naver.com';
+const GAME_API = 'https://comm-api.game.naver.com/nng_main';
+
+const DEFAULT_HEADERS = {
+  Accept: 'application/json',
+  'User-Agent':
+    'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
+  Origin: 'https://chzzk.naver.com',
+  Referer: 'https://chzzk.naver.com/',
+};
+
+async function getJson<T>(url: string): Promise<T> {
+  const res = await fetch(url, {
+    headers: DEFAULT_HEADERS,
+    cache: 'no-store',
+  });
+  if (!res.ok) {
+    throw new Error(`치지직 API 오류 (${res.status})`);
+  }
+  return (await res.json()) as T;
+}
+
+export type ChannelInfo = {
+  channelId: string;
+  channelName: string | null;
+};
+
+export async function fetchChannelInfo(channelId: string): Promise<ChannelInfo> {
+  const data = await getJson<{
+    content?: { channelId?: string; channelName?: string };
+  }>(`${CHZZK_API}/service/v1/channels/${channelId}`);
+  return {
+    channelId: data.content?.channelId || channelId,
+    channelName: data.content?.channelName ?? null,
+  };
+}
+
+export type LiveChatInfo = {
+  chatChannelId: string;
+  liveTitle: string | null;
+  status: string | null;
+};
+
+/** 방송 중일 때 chatChannelId를 얻는다. */
+export async function fetchLiveChatInfo(channelId: string): Promise<LiveChatInfo> {
+  // polling live-status 우선
+  try {
+    const status = await getJson<{
+      content?: { chatChannelId?: string; status?: string; liveTitle?: string };
+    }>(`${CHZZK_API}/polling/v2/channels/${channelId}/live-status`);
+    if (status.content?.chatChannelId) {
+      return {
+        chatChannelId: status.content.chatChannelId,
+        liveTitle: status.content.liveTitle ?? null,
+        status: status.content.status ?? null,
+      };
+    }
+  } catch {
+    // fallback below
+  }
+
+  const detail = await getJson<{
+    content?: { chatChannelId?: string; liveTitle?: string; status?: string };
+  }>(`${CHZZK_API}/service/v3/channels/${channelId}/live-detail`);
+
+  if (!detail.content?.chatChannelId) {
+    throw new Error('방송이 꺼져 있거나 chatChannelId를 찾지 못했습니다.');
+  }
+
+  return {
+    chatChannelId: detail.content.chatChannelId,
+    liveTitle: detail.content.liveTitle ?? null,
+    status: detail.content.status ?? null,
+  };
+}
+
+export async function fetchChatAccessToken(chatChannelId: string): Promise<string> {
+  const data = await getJson<{
+    code?: number;
+    message?: string;
+    content?: { accessToken?: string };
+  }>(
+    `${GAME_API}/v1/chats/access-token?channelId=${encodeURIComponent(chatChannelId)}&chatType=STREAMING`,
+  );
+
+  if (data.code === 42601) {
+    throw new Error('연령 제한 방송이라 익명 채팅 토큰을 받을 수 없습니다.');
+  }
+  const token = data.content?.accessToken;
+  if (!token) {
+    throw new Error(data.message || '채팅 accessToken을 받지 못했습니다.');
+  }
+  return token;
+}
+
+export function chatServerUrl(chatChannelId: string) {
+  const sum = chatChannelId
+    .split('')
+    .map((c) => c.charCodeAt(0))
+    .reduce((a, b) => a + b, 0);
+  const serverId = (Math.abs(sum) % 9) + 1;
+  return `wss://kr-ss${serverId}.chat.naver.com/chat`;
+}