import ZAI from 'z-ai-web-dev-sdk';
import fs from 'fs';

async function main(imageSource: string, prompt: string, size: '1024x1024' | '768x1344' | '864x1152' | '1344x768' | '1152x864' | '1440x720' | '720x1440', outFile: string) {
	try {
		const zai = await ZAI.create();

		const response = await zai.images.generations.edit({
			prompt,
			images: [{ url: imageSource }],  // Array of objects with url property
			size
		});

		const base64 = response?.data?.[0]?.base64;
		if (!base64) {
			console.error('No image data returned by the API');
			console.log('Full response:', JSON.stringify(response, null, 2));
			return;
		}

		const buffer = Buffer.from(base64, 'base64');
		fs.writeFileSync(outFile, buffer);
		console.log(`Edited image saved to ${outFile}`);
	} catch (err: any) {
		console.error('Image editing failed:', err?.message || err);
	}
}

// Example usage - Edit an image
// You can use either a URL or a base64 data URL for the imageSource
main(
	'https://example.com/photo.jpg',  // or use: 'data:image/jpeg;base64,/9j/4AAQ...'
	'Transform this photo to have a sunset background with warm golden tones',
	'1024x1024',
	'./output.png'
);