fix function and music generation

functions/index.js

@@ -0,0 +1,39 @@
+const admin = require("firebase-admin");
+const serviceAccount = require("./serviceAccountKey.json");
+const { googleAI, gemini25FlashLite } = require("@genkit-ai/googleai");
+const { GEMINI_API_KEY } = require("./config/keys");
+const { genkit } = require("genkit");
+
+admin.initializeApp({
+  credential: admin.credential.cert(serviceAccount),
+  storageBucket: "musicland-d33f9.firebasestorage.app",
+});
+
+exports.generateAI = async ({ system = "", prompt = "", schema }) => {
+  const genkitInstance = genkit({
+    plugins: [
+      googleAI({
+        apiKey: GEMINI_API_KEY,
+      }),
+    ],
+    model: gemini25FlashLite,
+  });
+
+  if (prompt?.length < 1) {
+    throw new Error(
+      "Vous devez spécifier un prompt pour effectuer cette action.",
+    );
+  }
+
+  const { output } = await genkitInstance.generate({
+    system,
+    prompt,
+    output: { schema },
+  });
+
+  return output;
+};
+
+// Exporter toutes les fonctions
+exports.music = require("./src/music");
+exports.lyrics = require("./src/lyrics");