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

"""
ÅäÖÃÎļþ¹ÜÀíÄ£¿é
"""

import os
import ConfigParser

class ConfigReader:
    """ÅäÖÃÎļþ¶ÁÈ¡Æ÷µ¥Àý"""

    _instance = None
    _lock = None  # ÑÓ³Ùµ¼Èë±ÜÃâÑ­»·ÒÀÀµ

    def __new__(cls):
        if cls._instance is None:
            # ÑÓ³Ù»ñÈ¡Ëø£¬±ÜÃâµ¼Èëʱѭ»·ÒÀÀµ
            import threading
            if cls._lock is None:
                cls._lock = threading.Lock()

            with cls._lock:
                if cls._instance is None:
                    cls._instance = super(ConfigReader, 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
        
        self.config = ConfigParser.ConfigParser()
        self.config_path = os.path.join(os.path.dirname(__file__), 'Config.ini')
        self.load_config()
    
    def load_config(self):
        """¼ÓÔØÅäÖÃÎļþ"""
        if not os.path.exists(self.config_path):
            self._create_default_config()
        
        self.config.read(self.config_path)
    
    def _create_default_config(self):
        """´´½¨Ä¬ÈÏÅäÖÃÎļþ"""
        self.config.add_section('WriteFile')
        self.config.set('WriteFile', 'WriteMode', '1')  # 1=°´Ìì
        self.config.set('WriteFile', 'MaxFileSize', '1024')
        self.config.set('WriteFile', 'LogFilePath', '.\\EventLogs')

        self.config.add_section('PacketLog')
        self.config.set('PacketLog', 'EnablePacketLog', '1')
        self.config.set('PacketLog', 'PacketLogPath', 'C:\\ServerLog')

        self.config.add_section('Network')
        self.config.set('Network', 'ListenPort', '60000')

        with open(self.config_path, 'wb') as f:
            self.config.write(f)
    
    def get_listen_port(self):
        """»ñÈ¡¼àÌý¶Ë¿Ú"""
        return self.config.getint('Network', 'ListenPort')
    
    def get_write_mode(self):
        """»ñȡдÎļþģʽ: 1=°´Ìì, 2=°´Ð¡Ê±, 3=°´´óС, 4=µ¥Îļþ"""
        return self.config.getint('WriteFile', 'WriteMode')
    
    def get_max_file_size(self):
        """»ñÈ¡×î´óÎļþ´óС(KB)"""
        return self.config.getint('WriteFile', 'MaxFileSize')
    
    def get_log_file_path(self):
        """»ñÈ¡ÈÕÖ¾Îļþ·¾¶"""
        return self.config.get('WriteFile', 'LogFilePath')

    def get_enable_packet_log(self):
        """ÊÇ·ñÆôÓ÷â°üÈÕÖ¾"""
        return self.config.getint('PacketLog', 'EnablePacketLog')

    def get_packet_log_path(self):
        """»ñÈ¡·â°üÈÕ־·¾¶"""
        return self.config.get('PacketLog', 'PacketLogPath')

    def save(self):
        """±£´æÅäÖÃ"""
        with open(self.config_path, 'wb') as f:
            self.config.write(f)