added server api ts

src/dspygen/experiments/nuxt_chatbot/server/api/chat.ts

@@ -0,0 +1,73 @@
+import { defineEventHandler, readBody } from 'h3';
+import Groq from 'groq-sdk';
+
+const openaiApiKey = process.env.OPiAI_API_KEY; // not to load from OS ENV
+const groqApiKey = process.env.GROQ_API_KEY;
+
+const groq = new Groq({
+  apiKey: groqApiKey
+});
+
+const fetchOpenAIResponse = async (message, model, apiKey) => {
+  const API_URL = 'https://api.openai.com/v1/chat/completions';
+
+  const requestOptions = {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      'Authorization': `Bearer ${apiKey}`
+    },
+    body: JSON.stringify({
+      model: model,
+      messages: [{ role: 'user', content: message }],
+      max_tokens: 300
+    })
+  };
+
+  try {
+    const response = await fetch(API_URL, requestOptions);
+    const data = await response.json();
+    if (data.choices) return { text: data.choices[0].message.content.trim() };
+    return {text: 'No Key Provided - Enter Coins'};
+  } catch (error) {
+    console.error('Error fetching OpenAI response:', error);
+    throw new Error('Failed to fetch OpenAI response');
+  }
+};
+
+const fetchGroqResponse = async (message, model) => {
+  try {
+    const chatCompletion = await groq.chat.completions.create({
+      messages: [
+        {
+          role: "user",
+          content: message
+        }
+      ],
+      model: model,
+      max_tokens: 500
+    });
+
+    return { text: chatCompletion.choices[0]?.message?.content || "" };
+  } catch (error) {
+    console.error('Error fetching Groq Cloud response:', error);
+    throw new Error('Failed to fetch Groq Cloud response');
+  }
+};
+
+export default defineEventHandler(async (event) => {
+  const { message, service, model } = await readBody(event);
+
+  try {
+    if (service === 'openai' && openaiApiKey) {
+      return await fetchOpenAIResponse(message, model, openaiApiKey);
+    } else if (service === 'groq' ) {
+      return await fetchGroqResponse(message, model);
+    } else {
+      throw new Error('Invalid service selected');
+    }
+  } catch (error) {
+    console.error('Error in API handler:', error);
+    return {text: 'No Paid Key Provided - Enter Coins'};
+  }
+});