import os

# Ensure the HF_HOME environment variable is set correctly
hf_cache_dir = os.getenv('HF_HOME', '/app/cache')

# Ensure the directory exists
os.makedirs(hf_cache_dir, exist_ok=True)

import logging
from flask import Flask, request, jsonify
from app.search_engine import PromptSearchEngine

app = Flask(__name__)

# Disable parallelism for tokenizers
os.environ['TOKENIZERS_PARALLELISM'] = 'false'

# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

search_engine = PromptSearchEngine()

@app.route('/search', methods=['POST'])
def search():
    data = request.get_json()
    query = data.get('query')
    n = data.get('n', 5)
    use_pinecone = data.get('use_pinecone', True)

    logger.info(f"Received query: {query} with n: {n} and use_pinecone: {use_pinecone}")
    results = search_engine.most_similar(query, n, use_pinecone)
    formatted_results = [{'score': score, 'prompt': prompt} for score, prompt in results]
    logger.info(f"Returning results: {formatted_results}")
    return jsonify(formatted_results)


if __name__ == '__main__':
    logger.info("Starting Flask server")
    app.run(debug=True)