#!/usr/bin/python
# -*- coding: GBK -*-

"""
·â°üÈÕ־ģ¿é
ÌṩͳһµÄÈÕÖ¾¼Ç¼¹¦ÄÜ,Ö§³ÖÊ®Áù½øÖƸñʽÊä³ö
"""

import os
import datetime
from config import ConfigReader


class PacketLogger:
    """·â°üÈÕÖ¾¼Ç¼Æ÷µ¥Àý"""

    _instance = None

    def __new__(cls):
        if cls._instance is None:
            cls._instance = super(PacketLogger, cls).__new__(cls)
            cls._instance._initialized = False
        return cls._instance

    @classmethod
    def instance(cls):
        """»ñÈ¡µ¥ÀýʵÀý"""
        if cls._instance is None:
            cls._instance = cls()
        return cls._instance

    def __init__(self):
        if hasattr(self, '_initialized') and self._initialized:
            return
        self._initialized = True

        # ¶ÁÈ¡ÅäÖã¨Ê¹Óõ¥Àý£©
        config = ConfigReader.instance()
        self.enable = config.get_enable_packet_log()
        self.log_path = config.get_packet_log_path()

        # ÈÕÖ¾Ïà¹ØÊôÐÔ
        self.log_dir = None
        self.log_file = None

        # ³õʼ»¯ÈÕÖ¾
        if self.enable:
            self._init()

    def _init(self):
        """³õʼ»¯ÈÕ־ϵͳ"""
        try:
            # ´´½¨»ù´¡Â·¾¶
            if not os.path.exists(self.log_path):
                os.makedirs(self.log_path)

            # ´´½¨ÈÕÆÚ×ÓĿ¼: C:\ServerLog\2026-02\EventServer
            today = datetime.datetime.now()
            date_path = today.strftime('%Y-%m')
            self.log_dir = os.path.join(self.log_path, date_path, 'EventServer')

            if not os.path.exists(self.log_dir):
                os.makedirs(self.log_dir)

            # ÉèÖÃÈÕÖ¾ÎļþÃû
            log_filename = 'packet_%s.log' % today.strftime('%Y%m%d')
            self.log_file = os.path.join(self.log_dir, log_filename)

        except Exception as e:
            print('[PacketLogger] Init error: %s' % str(e))
            self.enable = False

    def _check_date_change(self):
        """¼ì²éÈÕÆڱ仯,±ØҪʱÇл»ÈÕÖ¾Îļþ"""
        if not self.enable:
            return

        today = datetime.datetime.now()
        log_filename = 'packet_%s.log' % today.strftime('%Y%m%d')
        current_log_file = os.path.join(self.log_dir, log_filename)

        # ÈÕÆڱ仯ʱÖØгõʼ»¯
        if current_log_file != self.log_file:
            self._init()

    def log(self, cid, packet_data, packet_type, direction='RECV'):
        """
        ¼Ç¼·â°üÈÕÖ¾

        Args:
            cid: ¿Í»§¶ËID
            packet_data: ·â°üÊý¾Ý(×Ö·û´®)
            packet_type: ·â°üÀàÐÍ(Èç LOGIN, EVENT, HEARTBEATµÈ)
            direction: ·½Ïò(RECV=½ÓÊÕ, SEND=·¢ËÍ)
        """
        return
        if not self.enable:
            return

        try:
            # ¼ì²éÈÕÆڱ仯
            self._check_date_change()

            # Éú³Éʱ¼ä´Á(¾«È·µ½ºÁÃë)
            today = datetime.datetime.now()
            timestamp = today.strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]

            # ת»»ÎªÊ®Áù½øÖÆ×Ö·û´®
            hex_data = ' '.join(['%02X' % ord(b) if isinstance(b, (str, unicode)) else '%02X' % b for b in packet_data])

            # Éú³ÉÈÕÖ¾ÐÐ
            log_line = '[%s] [%s] CID=%d Type=%s Len=%d Data=%s\n' % (
                timestamp,
                direction,
                cid,
                packet_type,
                len(packet_data),
                hex_data
            )

            # дÈëÎļþ
            with open(self.log_file, 'a') as f:
                f.write(log_line)

        except Exception as e:
            print('[PacketLogger] Write error: %s' % str(e))

    def log_text(self, text, prefix='INFO'):
        """
        ¼Ç¼Îı¾ÈÕÖ¾

        Args:
            text: ÈÕÖ¾Îı¾
            prefix: ÈÕ־ǰ׺(INFO, WARN, ERRORµÈ)
        """
        if not self.enable:
            return

        try:
            # ¼ì²éÈÕÆڱ仯
            self._check_date_change()

            # Éú³Éʱ¼ä´Á
            today = datetime.datetime.now()
            timestamp = today.strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]

            # Éú³ÉÈÕÖ¾ÐÐ
            log_line = '[%s] [%s] %s\n' % (timestamp, prefix, text)

            # дÈëÎļþ
            with open(self.log_file, 'a') as f:
                f.write(log_line)

        except Exception as e:
            print('[PacketLogger] Write error: %s' % str(e))


# È«¾ÖÈÕ־ʵÀý
packet_logger = PacketLogger()