# -*- 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': {
            'texts': 'list[str] (optional)',
            'images': 'list[str] (optional, file paths/URLs/base64)'
        },
        'response': {
            'text_embeddings': 'list of vectors (if texts provided)',
            'image_embeddings': 'list of vectors (if images provided)'
        },
        'example': 'POST {texts: [a cat], images: [/path/to/cat.jpg]}'
    }, ensure_ascii=False)

texts = params_kw.get('texts', [])
images = params_kw.get('images', [])

if isinstance(texts, str):
    texts = [texts]
if isinstance(images, str):
    images = [images]

if not texts and not images:
    return json.dumps({'error': 'at least one of texts or images is required'}, ensure_ascii=False)

try:
    import time
    t0 = time.time()
    result = {'status': 'ok'}

    if texts:
        from workers.clip_model import embed_texts
        result['text_embeddings'] = embed_texts(texts)
        result['text_count'] = len(texts)

    if images:
        from workers.clip_model import embed_images
        result['image_embeddings'] = embed_images(images)
        result['image_count'] = len(images)

    result['dimension'] = 1024
    result['elapsed'] = round(time.time() - t0, 3)

    return json.dumps(result, ensure_ascii=False)
except Exception as e:
    import traceback
    return json.dumps({'error': str(e), 'traceback': traceback.format_exc()}, ensure_ascii=False)