@mvkproject/nexus/src/api/image.js

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import fs from 'fs';
import path from 'path';
import axios from 'axios';

export class ImageAPI {
  constructor(client) {
    this.client = client;
  }

  async generate(options) {
    const {
      prompt,
      model = 'flux',
      width = 512,
      height = 512,
      download = false,
      downloadPath = './downloads'
    } = options;

    if (!prompt) {
      throw new Error('Prompt is required for image generation');
    }

    const data = {
      prompt,
      model,
      width,
      height
    };

    const response = await this.client.post('/v1/generate-image', data);

    if (response.imageUrl) {
      response.imageUrl = `${this.client.baseURL}${response.imageUrl}`;
    }

    if (download && response.imageUrl) {
      const downloadedPath = await this._downloadImage(response.imageUrl, downloadPath);
      response.downloadedPath = downloadedPath;
    }

    return response;
  }

  async _downloadImage(imageUrl, downloadPath) {
    try {
      if (!fs.existsSync(downloadPath)) {
        fs.mkdirSync(downloadPath, { recursive: true });
      }

      const filename = path.basename(new URL(imageUrl).pathname);
      const filepath = path.join(downloadPath, filename);

      const response = await axios({
        method: 'GET',
        url: imageUrl,
        responseType: 'stream'
      });

      const writer = fs.createWriteStream(filepath);

      response.data.pipe(writer);

      return new Promise((resolve, reject) => {
        writer.on('finish', () => resolve(filepath));
        writer.on('error', reject);
      });
    } catch (error) {
      throw new Error(`Failed to download image: ${error.message}`);
    }
  }
}