/**
* useBillChatSummary Hook
*
* Automatically loads or generates AI bill summary when chatbot is open on a bill page.
* Runs as a system action (doesn't count against user quota).
*/
import { useEffect, useRef } from 'react';
import { useChatStore } from '@/lib/stores/chatStore';
import { useAuth } from '@/contexts/AuthContext';
interface BillChatSummaryProps {
billNumber: string;
session: string;
billTitle: string;
billType?: string;
sponsor?: {
name: string;
party?: string;
};
votes?: any[];
debates?: any[];
lobbying?: {
organizations_lobbying: number;
};
}
export function useBillChatSummary({
billNumber,
session,
billTitle,
billType,
sponsor,
votes,
debates,
lobbying,
}: BillChatSummaryProps) {
const { user } = useAuth();
const isOpen = useChatStore((state) => state.isOpen);
const messages = useChatStore((state) => state.messages);
const addMessage = useChatStore((state) => state.addMessage);
const conversation = useChatStore((state) => state.conversation);
const createConversation = useChatStore((state) => state.createConversation);
// Track if we've already loaded the summary for this bill
const hasLoadedSummary = useRef(false);
const currentBillKey = `${session}/${billNumber}`;
const billKeyRef = useRef(currentBillKey);
useEffect(() => {
// Reset if we navigated to a different bill
if (billKeyRef.current !== currentBillKey) {
hasLoadedSummary.current = false;
billKeyRef.current = currentBillKey;
}
// Only run if:
// 1. User is authenticated
// 2. Chat is open
// 3. We haven't already loaded summary for this bill
// 4. We have valid bill data
if (!user || !isOpen || hasLoadedSummary.current || !billNumber || !session || !billTitle) {
return;
}
const loadOrGenerateSummary = async () => {
try {
// Mark as loaded immediately to prevent duplicate requests
hasLoadedSummary.current = true;
// Ensure we have a conversation
if (!conversation) {
await createConversation({
type: 'bill',
id: `${session}/${billNumber}`,
data: {
name: billTitle,
session,
number: billNumber,
},
});
}
// Validate we have required data
if (!session || !billNumber || !billTitle) {
// Don't log error - this is expected during initial render
hasLoadedSummary.current = false;
return;
}
// Check if summary already exists
const getSummaryResponse = await fetch(`/api/bills/${encodeURIComponent(session)}/${encodeURIComponent(billNumber)}/summary`, {
method: 'GET',
});
let summary: string;
if (getSummaryResponse.ok) {
// Summary exists, use it
const data = await getSummaryResponse.json();
summary = data.summary;
} else {
// Summary doesn't exist, generate it (as system action)
const generateResponse = await fetch(`/api/bills/${encodeURIComponent(session)}/${encodeURIComponent(billNumber)}/summary`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
billTitle,
billType,
sponsor,
votes,
debates,
lobbying,
is_system_action: true, // Flag to indicate this doesn't count against quota
}),
});
if (!generateResponse.ok) {
console.error('Failed to generate summary for chat:', await generateResponse.text());
hasLoadedSummary.current = false; // Allow retry
return;
}
const data = await generateResponse.json();
summary = data.summary;
}
// Add summary as assistant message to chat
// Wait a moment to ensure conversation is created
setTimeout(() => {
const currentConversation = useChatStore.getState().conversation;
if (currentConversation) {
addMessage({
id: crypto.randomUUID(),
conversation_id: currentConversation.id,
role: 'assistant',
content: `**Bill ${billNumber} Summary**\n\n${summary}\n\n---\n\nI can help you understand this bill better. Feel free to ask me questions about its purpose, impact, or current status.`,
used_byo_key: false,
created_at: new Date().toISOString(),
});
}
}, 500);
} catch (error) {
console.error('Error loading/generating bill summary for chat:', error);
hasLoadedSummary.current = false; // Allow retry
}
};
loadOrGenerateSummary();
}, [
user,
isOpen,
billNumber,
session,
billTitle,
billType,
sponsor,
votes,
debates,
lobbying,
conversation,
createConversation,
addMessage,
currentBillKey,
]);
// Reset when chat closes
useEffect(() => {
if (!isOpen) {
hasLoadedSummary.current = false;
}
}, [isOpen]);
}
