import fetch from "node-fetch";
import * as config from './config.js';
const FluxRoutes = express.Router();

/**
 * @param {string} args - The input string
 */
async function schellwithflux(args) {
    const EncodeBaseUrl = "aHR0cHM6Ly9hcGktaW5mZXJlbmNlLmh1Z2dpbmdmYWNlLmNvL21vZGVscy9ibGFjay1mb3Jlc3QtbGFicy9GTFVYLjEtc2NobmVsbA==";
    try {
        const response = await fetch(atob(EncodeBaseUrl), {
            method: "POST",
            headers: {
                "Authorization": `Bearer ${config.HUGGING_TOKEN}`,
                "Content-Type": "application/json",
            },
            body: JSON.stringify({ inputs: args }),
        });
        
        if (!response.ok) {
            console.error(`API Error: ${response.status}`);
            return null;
        }
        return await response.arrayBuffer();
    } catch (error) {
        console.error("Error fetching data:", error.message);
        return null;
    }
}

/**
 * @swagger
 * tags:
 *   name: FLUX
 *   description: etc
 */

/**
 * @swagger
 * /api/v1/flux-ai:
 *   get:
 *     summary: Get a generator image from Flux AI image
 *     tags: [FLUX]
 *     description: This endpoint interacts with the Flux AI
 *     parameters:
 *       - in: query
 *         name: query
 *         required: true
 *         description: The query to be processed by the Flux AI.
 *         schema:
 *           type: string
 *       500:
 *         description: Internal server error.
 *         content:
 *           application/json:
 *             schema:
 *               type: object
 *               properties:
 *                 error:
 *                   type: string
 *                   description: Error message.
 */
FluxRoutes.post("/api/v1/fluxai-ai", async (req, res) => {
    try {
        const query = req.body.query;
        const imageBytes = await schellwithflux(query);
        if (!query) {
          return res.status(400).send('Query parameter is missing');
        }
        if (!imageBytes) {
            return res.status(500).json({ error: "Failed to fetch image bytes" });
        }
        const buffer = Buffer.isBuffer(imageBytes) ? imageBytes : Buffer.from(imageBytes);
        
        const processedImage = await sharp(buffer)
            .jpeg()
            .toBuffer();
        res.set("Content-Type", "image/jpeg");
        const stream = Readable.from(processedImage);
        stream.pipe(res);
    } catch (error) {
        console.error("Error processing image:", error.message);
        res.status(500).json({ error: "Internal server error" });
    }
});

export { FluxRoutes };