Add /api/health-check

pages/api/health-check.tsx

@@ -0,0 +1,54 @@
+import { NextRequest, NextResponse } from 'next/server';
+import handler from './chat';  // Adjust this path based on the actual location of 'chat'
+
+// Declare the function as an edge runtime function
+export const config = {
+  runtime: 'edge', // Ensure this is executed in Edge runtime
+};
+
+export default async function healthCheck(req: NextRequest) {
+  try {
+    const mockReq: Request = new Request("http://example.org", {
+      method: 'POST',
+      headers: {
+        'content-type': 'application/json',
+        'x-ms-client-principal-name': 'test-principal', // These can be mock values
+        'x-ms-token-aad-access-token': 'mock-token',
+      },
+      body: JSON.stringify({
+        model: {
+          id: 'gpt-35-turbo',
+          name: 'GPT-3.5',
+          maxLength: 12000,
+          tokenLimit: 4000,
+        },
+        messages: [
+          {
+            role: 'user',
+            content: 'test',
+          },
+        ],
+        key: '',
+        prompt: "You are Gov Chat an AI Assistant using Azure OpenAI. Follow the user's instructions carefully. Respond using markdown.",
+        temperature: 0.5,
+      }),
+    });
+
+    // Simulate the handler with the mock request
+    const mockRes:Response = await handler(mockReq);
+    if (mockRes.status != 200) {
+      throw Error("Status not 200")
+    }
+
+    // Return a successful health check
+    return NextResponse.json({ message: 'Health check passed successfully' }, { status: 200 });
+  } catch (error: unknown) {
+    if (error instanceof Error) {
+      console.error('Health check failed:', error.message);
+      return NextResponse.json({ message: 'Health check failed', error: error.message }, { status: 500 });
+    } else {
+      // Handle cases where a non-Error object is thrown
+      return NextResponse.json({ message: 'Unknown error occurred' }, { status: 500 });
+    }
+  }
+}