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aibanking.dev
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import { callGemini } from "./geminiService";

export interface GeneratedNFT {
  name: string;
  description: string;
  imageUrl: string;
  traits: Array<{ trait_type: string; value: string | number }>;
}

export const nftService = {
  /**
   * Synthesizes an NFT image using Gemini 2.5 Flash Image
   */
  generateImage: async (prompt: string): Promise<string | null> => {
    try {
      const response = await callGemini(
        'gemini-2.5-flash-image',
        {
          parts: [{ text: `High-fidelity digital art NFT, institutional futuristic style, 4k, cinematic lighting: ${prompt}` }],
        },
        {
          imageConfig: { aspectRatio: "1:1" }
        }
      );

      if (response.candidates?.[0]?.content?.parts) {
        for (const part of response.candidates[0].content.parts) {
          if (part.inlineData) {
            return `data:image/png;base64,${part.inlineData.data}`;
          }
        }
      }
      return null;
    } catch (error) {
      console.error("Image Synthesis Failed:", error);
      return null;
    }
  },

  /**
   * Generates high-lore metadata using Gemini 3 Flash
   */
  generateMetadata: async (imagePrompt: string): Promise<Partial<GeneratedNFT>> => {
    try {
      const response = await callGemini(
        'gemini-3-flash-preview',
        `Generate a name, institutional description, and 3-4 rarity traits for an NFT based on this theme: ${imagePrompt}. Return ONLY JSON with keys: name, description, traits (array of {trait_type, value}).`,
        { responseMimeType: "application/json" }
      );
      
      const text = response.text || '{}';
      return JSON.parse(text);
    } catch (error) {
      console.error("Metadata Generation Failed:", error);
      return {
        name: "Quantum Relic",
        description: "An encrypted digital artifact from the Lumina Ledger.",
        traits: [{ trait_type: "Rarity", value: "Classified" }]
      };
    }
  },

  /**
   * Simulated OpenSea Minting sequence
   */
  mintToOpenSea: async (nft: GeneratedNFT, openSeaKey: string, walletAddress: string) => {
    const steps = [
      "Initializing secure tunnel to OpenSea Indexer...",
      `Authenticating via API Key: ${openSeaKey.substring(0, 4)}****`,
      "Pinning assets to IPFS (InterPlanetary File System)...",
      "Requesting wallet signature for contract 0x7892...B002",
      "Broadcasting transaction to Ethereum Mainnet...",
      "Waiting for block confirmation...",
      `Asset Indexed Successfully. TokenID: ${Math.floor(Math.random() * 100000)}`
    ];

    return steps;
  }
};