Initial commit

app/api/chat/route.ts

@@ -0,0 +1,38 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { GoogleGenerativeAI } from '@google/generative-ai';
+
+export async function POST(req: NextRequest) {
+  try {
+    const { messages } = await req.json();
+
+    if (!process.env.GEMINI_API_KEY) {
+      return NextResponse.json({ error: 'Gemini API key not configured' }, { status: 500 });
+    }
+
+    const genAI = new GoogleGenerativeAI(process.env.GEMINI_API_KEY);
+    const model = genAI.getGenerativeModel({ model: 'gemini-2.0-flash' });
+
+    const history = messages.slice(0, -1).map((msg: any) => ({
+      role: msg.role === 'assistant' ? 'model' : 'user',
+      parts: [{ text: msg.content }],
+    }));
+
+    const userMessage = messages[messages.length - 1].content;
+
+    const chat = model.startChat({
+      history: history,
+      generationConfig: {
+        temperature: 0.7,
+        maxOutputTokens: 1000,
+      },
+    });
+
+    const result = await chat.sendMessage(userMessage);
+    const text = result.response.text();
+
+    return NextResponse.json({ text });
+  } catch (error: any) {
+    console.error('Error in chat API:', error);
+    return NextResponse.json({ error: error.message }, { status: 500 });
+  }
+}