1 files changed, 117 insertions, 0 deletions
diff --git a/frontend/src/components/ChatInterface.jsx b/frontend/src/components/ChatInterface.jsx
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+++ b/frontend/src/components/ChatInterface.jsx
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+import { useState, useEffect, useRef } from 'react';
+import ReactMarkdown from 'react-markdown';
+import Stage1 from './Stage1';
+import Stage2 from './Stage2';
+import Stage3 from './Stage3';
+import './ChatInterface.css';
+
+export default function ChatInterface({
+  conversation,
+  onSendMessage,
+  isLoading,
+}) {
+  const [input, setInput] = useState('');
+  const messagesEndRef = useRef(null);
+
+  const scrollToBottom = () => {
+    messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
+  };
+
+  useEffect(() => {
+    scrollToBottom();
+  }, [conversation]);
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    if (input.trim() && !isLoading) {
+      onSendMessage(input);
+      setInput('');
+    }
+  };
+
+  const handleKeyDown = (e) => {
+    // Submit on Enter (without Shift)
+    if (e.key === 'Enter' && !e.shiftKey) {
+      e.preventDefault();
+      handleSubmit(e);
+    }
+  };
+
+  if (!conversation) {
+    return (
+      <div className="chat-interface">
+        <div className="empty-state">
+          <h2>Welcome to LLM Council</h2>
+          <p>Create a new conversation to get started</p>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="chat-interface">
+      <div className="messages-container">
+        {conversation.messages.length === 0 ? (
+          <div className="empty-state">
+            <h2>Start a conversation</h2>
+            <p>Ask a question to consult the LLM Council</p>
+          </div>
+        ) : (
+          conversation.messages.map((msg, index) => (
+            <div key={index} className="message-group">
+              {msg.role === 'user' ? (
+                <div className="user-message">
+                  <div className="message-label">You</div>
+                  <div className="message-content">
+                    <div className="markdown-content">
+                      <ReactMarkdown>{msg.content}</ReactMarkdown>
+                    </div>
+                  </div>
+                </div>
+              ) : (
+                <div className="assistant-message">
+                  <div className="message-label">LLM Council</div>
+                  <Stage1 responses={msg.stage1} />
+                  <Stage2
+                    rankings={msg.stage2}
+                    labelToModel={msg.metadata?.label_to_model}
+                    aggregateRankings={msg.metadata?.aggregate_rankings}
+                  />
+                  <Stage3 finalResponse={msg.stage3} />
+                </div>
+              )}
+            </div>
+          ))
+        )}
+
+        {isLoading && (
+          <div className="loading-indicator">
+            <div className="spinner"></div>
+            <span>Consulting the council...</span>
+          </div>
+        )}
+
+        <div ref={messagesEndRef} />
+      </div>
+
+      <form className="input-form" onSubmit={handleSubmit}>
+        <textarea
+          className="message-input"
+          placeholder="Ask your question... (Shift+Enter for new line, Enter to send)"
+          value={input}
+          onChange={(e) => setInput(e.target.value)}
+          onKeyDown={handleKeyDown}
+          disabled={isLoading}
+          rows={3}
+        />
+        <button
+          type="submit"
+          className="send-button"
+          disabled={!input.trim() || isLoading}
+        >
+          Send
+        </button>
+      </form>
+    </div>
+  );
+}