end of cover flow. Todo: fix combine pictures and save path in storage

functions/index.js

@@ -1,134 +1,14 @@
 const admin = require("firebase-admin");
 const serviceAccount = require("./serviceAccountKey.json");
-const { googleAI } = require("@genkit-ai/googleai");
-const { GEMINI_API_KEY } = require("./config/keys");
-const { genkit } = require("genkit");
-const axios = require("axios");
 
 admin.initializeApp({
   credential: admin.credential.cert(serviceAccount),
   storageBucket: "musicland-d33f9.firebasestorage.app",
+  databaseURL: "https://musicland-d33f9-default-rtdb.firebaseio.com",
+  projectId: "musicland-d33f9",
 });
 
-exports.generateAI = async ({ system = "", prompt = "", schema }) => {
-  const genkitInstance = genkit({
-    plugins: [
-      googleAI({
-        apiKey: GEMINI_API_KEY,
-      }),
-    ],
-    model: googleAI.model("gemini-2.5-flash"),
-  });
-
-  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;
-};
-
-// Générateur d'images via appel direct REST Imagen 3.0 (retour base64 pur)
-exports.generateImage = async ({ system = "", prompt = "" }) => {
-  if (typeof prompt !== "string" || prompt.trim().length < 1) {
-    throw new Error(
-      "Vous devez spécifier un prompt pour effectuer cette action.",
-    );
-  }
-
-  const baseUrl =
-    "https://generativelanguage.googleapis.com/v1beta/models/imagen-3.0-generate-002:predict";
-  const url = `${baseUrl}?key=${encodeURIComponent(GEMINI_API_KEY)}`;
-
-  const mkBody = (p) => ({
-    instances: [
-      {
-        prompt: p,
-      },
-    ],
-    parameters: {
-      sampleCount: 1,
-      aspectRatio: "1:1",
-      personGeneration: "dont_allow",
-    },
-  });
-
-  const combinedPrompt = [
-    system,
-    "Contraintes supplémentaires: pas de personnes, pas de visages, style abstrait, formes géométriques, textures et motifs.",
-    prompt,
-  ]
-    .filter(Boolean)
-    .join("\n\n");
-
-  const tryOnce = async (p) => {
-    const resp = await axios.post(url, mkBody(p), {
-      headers: { "Content-Type": "application/json" },
-      timeout: 120000,
-    });
-    const predictions = resp?.data?.predictions || [];
-    const first = predictions.find((x) => x?.bytesBase64Encoded);
-    return first
-      ? {
-          b64: first.bytesBase64Encoded,
-          mimeType: first.mimeType || "image/png",
-        }
-      : { b64: "", mimeType: null };
-  };
-
-  // Primary try
-  let result = { b64: "", mimeType: null };
-  try {
-    result = await tryOnce(combinedPrompt);
-  } catch (e) {
-    const em = e?.response?.data || e?.message || e;
-    console.error("Imagen predict error", em);
-  }
-
-  // Fallbacks on safety filters/no predictions
-  if (!result?.b64) {
-    const fallback = [
-      "Crée une image de pochette d'album 1024x1024, abstraite, moderne et colorée.",
-      "Utilise des formes géométriques, textures et dégradés.",
-      "Aucune personne, aucun visage, aucun texte, aucun logo.",
-    ].join("\n");
-    try {
-      result = await tryOnce(fallback);
-    } catch (e2) {
-      const em2 = e2?.response?.data || e2?.message || e2;
-      console.error("Imagen predict fallback FR error", em2);
-    }
-  }
-
-  if (!result?.b64) {
-    const fallbackEn = [
-      "Create a 1024x1024 abstract, modern, colorful album cover.",
-      "Use geometric shapes, textures, and gradients.",
-      "No people, no faces, no text, no logos.",
-    ].join("\n");
-    try {
-      result = await tryOnce(fallbackEn);
-    } catch (e3) {
-      const em3 = e3?.response?.data || e3?.message || e3;
-      console.error("Imagen predict fallback EN error", em3);
-    }
-  }
-
-  if (!result?.b64) {
-    throw new Error("NO_IMAGE_OUTPUT");
-  }
-  return {
-    b64: String(result.b64).trim(),
-    mimeType: result.mimeType || "image/png",
-  };
-};
+// Les fonctions IA ont été déplacées vers helpers/gemini
 
 // Exporter toutes les fonctions
 exports.music = require("./src/music");