using System;
using System.IO;

namespace DIOController
{
    public class DIOControllerCreator
    {
        public static IDIOController CreateController(string iniFile)
        {
            if (!File.Exists(iniFile)) throw new Exception("未找到配置文件");
            string type = IniFileHelper.ReadIniData("Config", "Type", "", iniFile);
            switch (type)
            {
                case "ModbusTcp":
                    string ip = IniFileHelper.ReadIniData("Config", "Ip", "127.0.0.1", iniFile);
                    string portStr = IniFileHelper.ReadIniData("Config", "Port", "502", iniFile);
                    int port = int.Parse(portStr);
                    return new ModBusTcpController
                    {
                        Ip = ip,
                        Port = port
                    };
                case "PCI_7432":
                    string name = IniFileHelper.ReadIniData("Config", "Name", "PCI_7432", iniFile);
                    return new PCIController { Name = name };
                default:
                    throw new Exception("无效的控制器类型");
            }
        }
    }
}