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feat: make Telegram adapter optional #5

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feat: make Telegram adapter optional #5

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64 changes: 42 additions & 22 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,14 +19,22 @@ async function main(): Promise<void> {
console.log('[App] Starting Remote Coding Agent (Telegram + Claude MVP)');

// Validate required environment variables
const required = ['DATABASE_URL', 'TELEGRAM_BOT_TOKEN'];
const required = ['DATABASE_URL'];
const missing = required.filter(v => !process.env[v]);
if (missing.length > 0) {
console.error('[App] Missing required environment variables:', missing.join(', '));
console.error('[App] Please check .env.example for required configuration');
process.exit(1);
}

// Validate at least one platform adapter is configured
const hasTelegram = !!process.env.TELEGRAM_BOT_TOKEN;
const hasGitHub = process.env.GITHUB_TOKEN && process.env.WEBHOOK_SECRET;
if (!hasTelegram && !hasGitHub) {
console.error('[App] No platform adapters configured. Set TELEGRAM_BOT_TOKEN or GITHUB_TOKEN+WEBHOOK_SECRET.');
process.exit(1);
}

// Validate AI assistant credentials (warn if missing, don't fail)
const hasClaudeCredentials = process.env.CLAUDE_API_KEY || process.env.CLAUDE_CODE_OAUTH_TOKEN;
const hasCodexCredentials = process.env.CODEX_ID_TOKEN && process.env.CODEX_ACCESS_TOKEN;
Expand Down Expand Up @@ -169,34 +177,41 @@ async function main(): Promise<void> {
console.log(`[Express] Health check server listening on port ${port}`);
});

// Initialize platform adapter (Telegram)
const streamingMode = (process.env.TELEGRAM_STREAMING_MODE || 'stream') as 'stream' | 'batch';
const telegram = new TelegramAdapter(process.env.TELEGRAM_BOT_TOKEN!, streamingMode);
// Initialize Telegram adapter (conditional)
let telegram: TelegramAdapter | null = null;
if (process.env.TELEGRAM_BOT_TOKEN) {
const streamingMode = (process.env.TELEGRAM_STREAMING_MODE || 'stream') as 'stream' | 'batch';
telegram = new TelegramAdapter(process.env.TELEGRAM_BOT_TOKEN, streamingMode);

// Handle text messages
telegram.getBot().on('text', async ctx => {
const conversationId = telegram.getConversationId(ctx);
const message = ctx.message.text;
// Handle text messages
telegram.getBot().on('text', async ctx => {
const conversationId = telegram!.getConversationId(ctx);
const message = ctx.message.text;

if (!message) return;
if (!message) return;

// Fire-and-forget: handler returns immediately, processing happens async
lockManager
.acquireLock(conversationId, async () => {
await handleMessage(telegram, conversationId, message);
})
.catch(error => {
console.error('[Telegram] Failed to process message:', error);
});
});
// Fire-and-forget: handler returns immediately, processing happens async
lockManager
.acquireLock(conversationId, async () => {
await handleMessage(telegram!, conversationId, message);
})
.catch(error => {
console.error('[Telegram] Failed to process message:', error);
});
});

// Start bot
await telegram.start();
// Start bot
await telegram.start();
} else {
console.log('[Telegram] Adapter not initialized (missing TELEGRAM_BOT_TOKEN)');
}

// Graceful shutdown
const shutdown = (): void => {
console.log('[App] Shutting down gracefully...');
telegram.stop();
if (telegram) {
telegram.stop();
}
pool.end().then(() => {
console.log('[Database] Connection pool closed');
process.exit(0);
Expand All @@ -207,7 +222,12 @@ async function main(): Promise<void> {
process.once('SIGTERM', shutdown);

console.log('[App] Remote Coding Agent is ready!');
console.log('[App] Send messages to your Telegram bot to get started');
if (telegram) {
console.log('[App] Telegram bot is active - send messages to get started');
}
if (github) {
console.log('[App] GitHub webhook endpoint active at /webhooks/github');
}
console.log('[App] Test endpoint available: POST http://localhost:' + port + '/test/message');
}

Expand Down