import { GoogleGenAI, Type } from "@google/genai";

const API_KEY = process.env.API_KEY;

if (!API_KEY) {
  console.warn("Gemini API key not found. AI features will be disabled. Please set process.env.API_KEY.");
}

const ai = new GoogleGenAI({ apiKey: API_KEY! });

export const generateServiceDescription = async (serviceName: string): Promise<string> => {
  if (!API_KEY) {
    return `A local instance of ${serviceName}.`;
  }

  try {
    const response = await ai.models.generateContent({
      model: "gemini-2.5-flash",
      contents: `Provide a concise, one-sentence description for a self-hosted service named "${serviceName}". This description will be shown on a personal dashboard.`,
      config: {
        responseMimeType: "application/json",
        responseSchema: {
          type: Type.OBJECT,
          properties: {
            description: {
              type: Type.STRING,
              description: "The generated one-sentence description for the service.",
            },
          },
        },
      },
    });

    const jsonText = response.text.trim();
    const result = JSON.parse(jsonText);
    return result.description || `A local instance of ${serviceName}.`;
  } catch (error) {
    console.error("Error fetching description from Gemini:", error);
    return `A local instance of ${serviceName}.`;
  }
};