from flask import Flask, request, Response
import os
from dotenv import load_dotenv
from rag2_0.intent_recognition import IntentRecognizer
import json
import time
# 加载环境变量
load_dotenv()

app = Flask(__name__)

# 初始化意图识别器
api_key = os.getenv("OPENAI_API_KEY")
base_url = os.getenv("OPENAI_API_BASE")
model_name = os.getenv("LLM_MODEL_NAME", "gpt-3.5-turbo")
recognizer = IntentRecognizer(api_key=api_key, base_url=base_url, model_name=model_name)

@app.route('/intent_recognize', methods=['POST'])
def intent_recognize():
    try:
        data = request.get_json(force=True)
        query = data.get('query')
        if not query:
            return Response(json.dumps({"error": "缺少query参数"}, ensure_ascii=False), content_type='application/json; charset=utf-8', status=400)
        start_time = time.time()
        classification, keywords, rewrite, query_keys = recognizer.process_query(query)
        end_time = time.time()
        print(f"意图识别耗时: {end_time - start_time:.2f}秒")
        # keywords对象转为字符串
        keywords_str = ""
        if keywords and keywords.terms:
            term_details = []
            for term in keywords.terms:
                term_info = {
                    "名称": term.name,
                    "同义词": ";".join(term.synonymous) if term.synonymous else "",
                    "描述": term.description
                }
                term_details.append(term_info)
            keywords_str = term_details
        result = {
            "source_query": query,
            "source_query_keys": query_keys,
            "vertical_classification": classification.vertical_classification,
            "sub_classification": classification.sub_classification,
            "rewrite_query": rewrite.rewrite,
            "keywords": keywords_str
        }
        return Response(json.dumps(result, ensure_ascii=False), content_type='application/json; charset=utf-8')
    except Exception as e:
        return Response(json.dumps({"error": str(e)}, ensure_ascii=False), content_type='application/json; charset=utf-8', status=500)

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=8001)