Initial commit: ACE-Step UI - Open source music generation interface

services/geminiService.ts

@@ -0,0 +1,60 @@
+import { GoogleGenAI, Type } from "@google/genai";
+
+const apiKey = process.env.API_KEY || ''; // Fallback for dev env without key
+const ai = new GoogleGenAI({ apiKey });
+
+export const generateSongData = async (
+  topic: string, 
+  style: string
+): Promise<{ title: string; lyrics: string; tags: string[] }> => {
+  if (!apiKey) {
+    // Mock response if no API key is present
+    return new Promise((resolve) => {
+      setTimeout(() => {
+        resolve({
+          title: "Neon Echoes (Mock)",
+          lyrics: "[Verse]\nChecking for API key...\nNone found, so here is a mock.\n\n[Chorus]\nVirtual sounds in a digital world.",
+          tags: ["electronic", "mock", "ambient"]
+        });
+      }, 2000);
+    });
+  }
+
+  try {
+    const prompt = `Generate a song title, lyrics, and 3 style tags based on this user prompt: "${topic}". The style requested is: "${style}". 
+    Format the lyrics with standard song structure headers like [Verse], [Chorus].`;
+
+    const response = await ai.models.generateContent({
+      model: "gemini-2.5-flash-latest",
+      contents: prompt,
+      config: {
+        responseMimeType: "application/json",
+        responseSchema: {
+          type: Type.OBJECT,
+          properties: {
+            title: { type: Type.STRING },
+            lyrics: { type: Type.STRING },
+            tags: { 
+              type: Type.ARRAY,
+              items: { type: Type.STRING }
+            }
+          },
+          required: ["title", "lyrics", "tags"]
+        }
+      }
+    });
+
+    const jsonText = response.text;
+    if (!jsonText) throw new Error("No response from Gemini");
+
+    return JSON.parse(jsonText);
+
+  } catch (error) {
+    console.error("Gemini generation error:", error);
+    return {
+      title: "Generation Failed",
+      lyrics: "[Error]\nCould not generate lyrics at this time.",
+      tags: ["error"]
+    };
+  }
+};