# -*- coding:utf-8 -*-
import json
import sys
import os
sys.path.insert(0, os.getcwd())

method = request.method

if method == 'GET':
    return json.dumps({
        'usage': 'POST with JSON body',
        'params': {
            'images': 'list[str] (required, up to 32 images)',
            '  - file path': '/data/ymq/images/photo.jpg',
            '  - URL': 'https://example.com/image.jpg',
            '  - base64': 'data:image/jpeg;base64,/9j/4AAQ...'
        },
        'example': 'POST {images: [/path/to/img.jpg, https://example.com/img.png]}'
    }, ensure_ascii=False)

images = params_kw.get('images', [])
if isinstance(images, str):
    images = [images]

if not images:
    return json.dumps({'error': 'images is required (list of file paths, URLs, or base64 data URIs)'}, ensure_ascii=False)

if len(images) > 32:
    return json.dumps({'error': 'max 32 images per request'}, ensure_ascii=False)

try:
    import time
    from workers.clip_model import embed_images
    t0 = time.time()
    embeddings = embed_images(images)
    elapsed = round(time.time() - t0, 3)
    return json.dumps({
        'status': 'ok',
        'count': len(embeddings),
        'dimension': len(embeddings[0]),
        'embeddings': embeddings,
        'elapsed': elapsed
    }, ensure_ascii=False)
except Exception as e:
    import traceback
    return json.dumps({'error': str(e), 'traceback': traceback.format_exc()}, ensure_ascii=False)