import sys
import time
import json
import config
from data_preprocessing import DataPreProcessing

# 数据清洗与句向量计算
def clear_embedding_train(mongo_coll, mongo_find_dict, sup, sub):
    origin_dataset = mongo_coll.find(mongo_find_dict, no_cursor_timeout=True, batch_size=5)
    dpp = DataPreProcessing(mongo_coll, is_train=True)
    start = time.time()
    dpp(origin_dataset[sup:sub])
    print("耗时:", time.time()-start)

# 知识点转换成id用于mongodb检索
def convert_knowledge2id(mongo_coll, mongo_find_dict, sup, sub):
    with open("model_data/keyword_mapping.json", 'r', encoding="utf8") as f:
        knowledge2id = json.load(f)["knowledge2id"]
    origin_dataset = mongo_coll.find(mongo_find_dict, no_cursor_timeout=True, batch_size=5)
    start = time.time()
    for data in origin_dataset[sup:sub]:
        print(data["knowledge"])
        condition = {"id": data["id"]}
        # 需要新增train_flag,防止机器奔溃重复训练
        knowledge_list = [knowledge2id[ele] for ele in data["knowledge"] if knowledge2id.get(ele, 0)]
        update_elements = {"$set": {"knowledge_id": knowledge_list}}
        mongo_coll.update_one(condition, update_elements)
    print("耗时:", time.time()-start)

if __name__ == "__main__":
    # 获取shell输入参数
    argv_list = sys.argv
    if len(argv_list) == 1:
        sup, sub = None, None
    elif len(argv_list) == 2:
        sup, sub = argv_list[1].split(':')
        sup = None if sup == '' else int(sup)
        sub = None if sub == '' else int(sub)
    # 获取mongodb数据
    mongo_coll = config.mongo_coll
    # mongo_find_dict = {"sent_train_flag": {"$exists": 0}}
    mongo_find_dict = dict()
    # 清洗文本与计算句向量(train_mode=1表示需要进行文本清洗与句向量计算)
    clear_embedding_train(mongo_coll, mongo_find_dict, sup, sub)
    # 知识点转换成id用于mongodb检索
    convert_knowledge2id(mongo_coll, mongo_find_dict, sup, sub)