import { RefreshingAuthProvider, StaticAuthProvider } from "@twurple/auth" ;
import { ChatClient, LogLevel } from "@twurple/chat" ;
import type { OpenClawConfig } from "openclaw/plugin-sdk/config-runtime" ;
import { formatErrorMessage } from "openclaw/plugin-sdk/error-runtime" ;
import { resolveTwitchToken } from "./token.js" ;
import type { ChannelLogSink, TwitchAccountConfig, TwitchChatMessage } from "./types.js" ;
import { normalizeToken } from "./utils/twitch.js" ;
/**
* Manages Twitch chat client connections
*/
export class TwitchClientManager {
private clients = new Map<string, ChatClient>();
private messageHandlers = new Map<string, (message: TwitchChatMessage) => void >();
constructor(private logger: ChannelLogSink) {}
/**
* Create an auth provider for the account .
*/
private async createAuthProvider(
account: TwitchAccountConfig,
normalizedToken: string,
): Promise<StaticAuthProvider | RefreshingAuthProvider> {
if (!account.clientId) {
throw new Error("Missing Twitch client ID" );
}
if (account.clientSecret) {
const authProvider = new RefreshingAuthProvider({
clientId: account.clientId,
clientSecret: account.clientSecret,
});
await authProvider
.addUserForToken({
accessToken: normalizedToken,
refreshToken: account.refreshToken ?? null ,
expiresIn: account.expiresIn ?? null ,
obtainmentTimestamp: account.obtainmentTimestamp ?? Date.now(),
})
.then((userId) => {
this .logger.info(
`Added user ${userId} to RefreshingAuthProvider for ${account.username}`,
);
})
.catch ((err) => {
this .logger.error(
`Failed to add user to RefreshingAuthProvider: ${formatErrorMessage(err)}`,
);
});
authProvider.onRefresh((userId, token) => {
this .logger.info(
`Access token refreshed for user ${userId} (expires in ${token.expiresIn ? `${token.expiresIn}s` : "unknown" })`,
);
});
authProvider.onRefreshFailure((userId, error) => {
this .logger.error(`Failed to refresh access token for user ${userId}: ${error.message}`);
});
const refreshStatus = account.refreshToken
? "automatic token refresh enabled"
: "token refresh disabled (no refresh token)" ;
this .logger.info(`Using RefreshingAuthProvider for ${account.username} (${refreshStatus})`);
return authProvider;
}
this .logger.info(`Using StaticAuthProvider for ${account.username} (no clientSecret provided)`);
return new StaticAuthProvider(account.clientId, normalizedToken);
}
/**
* Get or create a chat client for an account
*/
async getClient(
account: TwitchAccountConfig,
cfg?: OpenClawConfig,
accountId?: string,
): Promise<ChatClient> {
const key = this .getAccountKey(account);
const existing = this .clients.get(key);
if (existing) {
return existing;
}
const tokenResolution = resolveTwitchToken(cfg, {
accountId,
});
if (!tokenResolution.token) {
this .logger.error(
`Missing Twitch token for account ${account.username} (set channels.twitch.accounts.${account.username}.token or OPENCLAW_TWITCH_ACCESS_TOKEN for default )`,
);
throw new Error("Missing Twitch token" );
}
this .logger.debug?.(`Using ${tokenResolution.source} token source for ${account.username}`);
if (!account.clientId) {
this .logger.error(`Missing Twitch client ID for account ${account.username}`);
throw new Error("Missing Twitch client ID" );
}
const normalizedToken = normalizeToken(tokenResolution.token);
const authProvider = await this .createAuthProvider(account, normalizedToken);
const client = new ChatClient({
authProvider,
channels: [account.channel],
rejoinChannelsOnReconnect: true ,
requestMembershipEvents: true ,
logger: {
minLevel: LogLevel.WARNING,
custom: {
log: (level, message) => {
switch (level) {
case LogLevel.CRITICAL:
this .logger.error(message);
break ;
case LogLevel.ERROR:
this .logger.error(message);
break ;
case LogLevel.WARNING:
this .logger.warn(message);
break ;
case LogLevel.INFO:
this .logger.info(message);
break ;
case LogLevel.DEBUG:
this .logger.debug?.(message);
break ;
case LogLevel.TRACE:
this .logger.debug?.(message);
break ;
}
},
},
},
});
this .setupClientHandlers(client, account);
client.connect();
this .clients.set(key, client);
this .logger.info(`Connected to Twitch as ${account.username}`);
return client;
}
/**
* Set up message and event handlers for a client
*/
private setupClientHandlers(client: ChatClient, account: TwitchAccountConfig): void {
const key = this .getAccountKey(account);
// Handle incoming messages
client.onMessage((channelName, _user, messageText, msg) => {
const handler = this .messageHandlers.get(key);
if (handler) {
const normalizedChannel = channelName.startsWith("#" ) ? channelName.slice(1 ) : channelName;
const from = `twitch:${msg.userInfo.userName}`;
const preview = messageText.slice(0 , 100 ).replace(/\n/g, "\\n" );
this .logger.debug?.(
`twitch inbound: channel=${normalizedChannel} from=${from} len=${messageText.length} preview="${preview}" `,
);
handler({
username: msg.userInfo.userName,
displayName: msg.userInfo.displayName,
userId: msg.userInfo.userId,
message: messageText,
channel: normalizedChannel,
id: msg.id,
timestamp: new Date(),
isMod: msg.userInfo.isMod,
isOwner: msg.userInfo.isBroadcaster,
isVip: msg.userInfo.isVip,
isSub: msg.userInfo.isSubscriber,
chatType: "group" ,
});
}
});
this .logger.info(`Set up handlers for ${key}`);
}
/**
* Set a message handler for an account
* @ returns A function that removes the handler when called
*/
onMessage(
account: TwitchAccountConfig,
handler: (message: TwitchChatMessage) => void ,
): () => void {
const key = this .getAccountKey(account);
this .messageHandlers.set(key, handler);
return () => {
this .messageHandlers.delete (key);
};
}
/**
* Disconnect a client
*/
async disconnect(account: TwitchAccountConfig): Promise<void > {
const key = this .getAccountKey(account);
const client = this .clients.get(key);
if (client) {
client.quit();
this .clients.delete (key);
this .messageHandlers.delete (key);
this .logger.info(`Disconnected ${key}`);
}
}
/**
* Disconnect all clients
*/
async disconnectAll(): Promise<void > {
this .clients.forEach((client) => client.quit());
this .clients.clear();
this .messageHandlers.clear();
this .logger.info(" Disconnected all clients" );
}
/**
* Send a message to a channel
*/
async sendMessage(
account: TwitchAccountConfig,
channel: string,
message: string,
cfg?: OpenClawConfig,
accountId?: string,
): Promise<{ ok: boolean ; error?: string; messageId?: string }> {
try {
const client = await this .getClient(account, cfg, accountId);
// Generate a message ID (Twurple's say() doesn't return the message ID, so we generate one)
const messageId = crypto.randomUUID();
// Send message (Twurple handles rate limiting)
await client.say(channel, message);
return { ok: true , messageId };
} catch (error) {
this .logger.error(`Failed to send message: ${formatErrorMessage(error)}`);
return {
ok: false ,
error: formatErrorMessage(error),
};
}
}
/**
* Generate a unique key for an account
*/
public getAccountKey(account: TwitchAccountConfig): string {
return `${account.username}:${account.channel}`;
}
/**
* Clear all clients and handlers ( for testing )
*/
_clearForTest(): void {
this .clients.clear();
this .messageHandlers.clear();
}
}
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(vorverarbeitet am 2026-06-09)
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