from configparser import ConfigParser
import os


class ConfigManager:
    def __init__(self, ini_path="setup.ini"):
        self.ini_path = ini_path
        self.config = ConfigParser()

    def read_config(self):
        """读取配置文件"""
        if not os.path.exists(self.ini_path):
            return None
        self.config.read(self.ini_path, encoding='utf-8')
        return self.config

    def create_default_config(self,num):
        """创建默认配置"""
        self.config.add_section('Serial_config')
        self.config.set('Serial_config', 'port', 'None')
        self.config.set('Serial_config', 'baudrate', '9600')


        self.config.add_section('Modbus_config')
        self.config.set('Modbus_config', 'funcode', 'F4')
        self.config.set('Modbus_config', 'position', '5')

        self.config.add_section('DisHex_config')
        for i in range(num):
            idx = f'{i:02}'
            rowname = f'row{idx}'
            self.config.set('DisHex_config', rowname, '|||||0')

        self.config.add_section('Quick_config')
        self.config.set('Quick_config', 'log_time', '10')

        with open(self.ini_path, 'w', encoding='utf-8') as f:
            self.config.write(f)

    def get_dishex_row(self, row):
        """获取十六进制显示的行"""
        idx = f'{row:02}'
        return self.config.get('DisHex_config', f'row{idx}')

    def set_dishex_row(self, row, value_str):
        """设置十六进制显示的行"""
        idx = f'{row:02}'
        self.config.set('DisHex_config', f'row{idx}', value_str)
        with open(self.ini_path, 'w', encoding='utf-8') as f:
            self.config.write(f)

    def get_funcode(self):
        """获取功能码"""
        return self.config.get('Modbus_config', 'funcode')

    def get_position(self):
        """获取位置"""
        return int(self.config.get('Modbus_config', 'position'))

    def get_log_time(self):
        """获取日志时间"""
        return int(self.config.get('Quick_config', 'log_time'))

    def get_port(self):
        """获取串口"""
        return self.config.get('Serial_config', 'port')

    def get_baudrate(self):
        """获取波特率"""
        return self.config.get('Serial_config', 'baudrate')

    def set_port(self, port_str):
        """设置串口"""
        self.config.set('Serial_config', 'port', port_str)
        with open(self.ini_path, 'w', encoding='utf-8') as f:
            self.config.write(f)

    def set_baudrate(self, baudrate_str):
        """设置波特率"""
        self.config.set('Serial_config', 'baudrate', baudrate_str)
        with open(self.ini_path, 'w', encoding='utf-8') as f:
            self.config.write(f)