from gevent import monkey; monkey.patch_all()
import requests
from gevent.pywsgi import WSGIServer
from flask import Flask, request, jsonify
from flask_cors import CORS

import config
from hnsw_retrieval import HNSW
from info_retrieval import Info_Retrieval
from data_preprocessing import DataPreProcessing
from log_config import LogConfig

app = Flask(__name__)
CORS(app, supports_credentials=True)

# 日志采集初始化
retrieval_LogConfig = LogConfig(config.retrieval_path, "retrieval")
retrieval_logger = retrieval_LogConfig.get_log()
# 数据处理初始化
data_process = DataPreProcessing(logger=retrieval_logger)
# HNSW模型初始化
hnsw_model = HNSW(data_process, retrieval_logger)
# 信息检索模型初始化
ir_model = Info_Retrieval(data_process, logger=retrieval_logger, n_grams_flag=True)

# 文档查重
@app.route('/hnsw_retrieve', methods=['GET', 'POST'])
def hnsw_retrieve():
    if request.method == 'POST':
        # 获取post数据
        retrieve_dict = request.get_json()
        if not retrieve_dict:
            return "请输入查重数据"
        retrieve_list = retrieve_dict["content"]
        similar = retrieve_dict["similar"] / 100
        doc_flag = True if retrieve_dict["doc_flag"] == 1 else False
        # 接收日志采集
        id_name = "文档查重" if doc_flag is True else "整题图片查重"
        retrieval_logger.info(config.log_msg.format(id=id_name,
                                                    type="hnsw_retrieve接收",
                                                    message=retrieve_dict))
        # hnsw模型查重
        post_url = r"http://localhost:8068/topic_retrieval_http"
        res_list = hnsw_model.retrieve(retrieve_list, post_url, similar, doc_flag)
        # 返回日志采集
        retrieval_logger.info(config.log_msg.format(id=id_name,
                                                    type="hnsw_retrieve返回",
                                                    message=res_list))
        return jsonify(res_list)

# 图片查重
@app.route('/image_retrieve', methods=['GET', 'POST'])
def image_retrieve():
    if request.method == 'POST':
        # 获取post数据
        retrieve_dict = request.get_json()
        if not retrieve_dict:
            return "请输入查重数据"
        retrieve_img = retrieve_dict["content"]
        similar = retrieve_dict["similar"] / 100
        # 图片查重链接
        post_url = r"http://localhost:8068/img_retrieval_http"
        img_dict = dict(img_url=retrieve_img, img_threshold=similar, img_max_num=30)
        try:
            res_list = requests.post(post_url, json=img_dict, timeout=20).json()
        except Exception as e:
            res_list = []
        # 返回日志采集
        retrieval_logger.info(config.log_msg.format(id="图片查重",
                                                    type="image_retrieve返回",
                                                    message=res_list))
        return jsonify(res_list)

# 公式查重
@app.route('/formula_retrieve', methods=['GET', 'POST'])
def formula_retrieve():
    if request.method == 'POST':
        # 获取post数据
        retrieve_dict = request.get_json()
        # 接收日志采集
        retrieval_logger.info(config.log_msg.format(id="公式查重",
                                                    type="formula_retrieve接收",
                                                    message=retrieve_dict))
        if not retrieve_dict:
            return "请输入查重数据"
        formula_string = retrieve_dict["content"]
        similar = retrieve_dict["similar"] / 100
        # 公式图片查重链接
        res_list = hnsw_model.formula_retrieve(formula_string, similar)
        # 返回日志采集
        retrieval_logger.info(config.log_msg.format(id="公式查重",
                                                    type="formula_retrieve返回",
                                                    message=res_list))
        return jsonify(res_list)

# 文本查重
@app.route('/info_retrieve', methods=['GET', 'POST'])
def info_retrieve():
    if request.method == 'POST':
        # 获取post数据
        retrieve_dict = request.get_json()
        # 接收日志采集
        retrieval_logger.info(config.log_msg.format(id="文本查重",
                                                    type="info_retrieve接收",
                                                    message=retrieve_dict))
        if not retrieve_dict:
            return "请输入检索数据"
        sentence = retrieve_dict["content"]
        similar = retrieve_dict["similar"] / 100
        # 文本关键词检索
        id_list, seg_list = ir_model(sentence)
        id_list = [int(idx) for idx in id_list]
        # 语义相似度查重
        retrieve_list = [dict(stem=sentence, topic_num=1)]
        if len(sentence) > 30:
            retrieve_list = [dict(stem=sentence, topic_num=1)]
            doc_list = hnsw_model.retrieve(retrieve_list, '', similar, False)[0]["semantics"]
        else:
            doc_list = hnsw_model.retrieve(retrieve_list, '', similar, False, 0.3)[0]["semantics"]
        res_dict = dict(info=[id_list, seg_list], doc=doc_list)
        # 返回日志采集
        retrieval_logger.info(config.log_msg.format(id="文本查重",
                                                    type="info_retrieve返回",
                                                    message=res_dict))
        return jsonify(res_dict)


if __name__ == "__main__":
    # app.run(host='0.0.0.0',port='8835')
    server = WSGIServer(('0.0.0.0', 8835), app)
    server.serve_forever()