import datetime
import fileinput
import hashlib
import json
import logging
import os
import shutil
import time

from code_attribute import gpcode_manager
from utils import tool, constant


class LogUtil:
    @classmethod
    def extract_log_from_key(cls, key, path, target_path):
        fw = open(target_path, mode='w', encoding="utf-8")
        try:
            with open(path, 'r', encoding="utf-8") as f:
                lines = f.readlines()
                for line in lines:
                    if line.find("{}".format(key)) > 0:
                        fw.write(line)
        finally:
            fw.close()


# 获取日志时间
def __get_log_time(line):
    time_ = line.split("|")[0].split(" ")[1].split(".")[0]
    return time_


def __get_async_log_time(line):
    line = line.split(" - ")[1]
    time_str = line[line.find("[") + 1:line.find("[") + 9]
    return time_str


__log_file_contents = {}


# 加载文件内容
def __load_file_content(path_str, expire_timespace=20):
    md5 = hashlib.md5(path_str.encode(encoding='utf-8')).hexdigest()
    if md5 in __log_file_contents and time.time() - __log_file_contents[md5][0] < expire_timespace:
        return __log_file_contents[md5][1]
    contents = []
    if os.path.exists(path_str):
        with open(path_str, 'r', encoding="utf-8") as f:
            lines = f.readlines()
            for line in lines:
                contents.append(line)
    __log_file_contents[md5] = (time.time(), contents)
    return contents


# 加载买入得分记录
def load_latest_market_info(date=tool.get_now_date_str()):
    path = f"{constant.get_path_prefix()}/{constant.LOG_DIR}/huaxin_local/l2/market.{date}.log"
    fdatas = {}

    MAX_LINE = 5000
    with open(path, 'r') as file:
        file.seek(0, 2)
        end_position = file.tell()
        lines_to_read = MAX_LINE + 1  # 包括最后一行的换行符

        lines = []
        while len(lines) < lines_to_read and end_position > 0:
            # 向前移动一个字符
            end_position -= 1
            file.seek(end_position)
            # 如果字符是换行符，说明到达一行的末尾
            if file.read(1) == '\n':
                line = file.readline()
                if line:
                    lines.append(line)

    lines.reverse()
    for line in lines:
        start_index = line.find("]")
        line = line[start_index + 1:].strip()
        data = eval(line)
        fdatas[data[0]] = data
    return fdatas


if __name__ == "__main__":
    fdatas = load_latest_market_info()
    print(fdatas)

    pass