using System;
using System.IO;
using System.Windows.Forms;
using BO.Utils;

namespace MaterialRequisition
{
  public static class MaterialRequisitionContext
  {
    private static string loginConfigPath = Application.StartupPath + "\\MaterialRequisitionConfig.xml";
    private static MaterialRequisitionConfig _config;
    public static MaterialRequisitionConfig Config
    {
      get
      {
        if (_config == null)
          _config = CreateConfig();
        return _config;
      }
    }
    static MaterialRequisitionConfig CreateConfig()
    {
      var config = new MaterialRequisitionConfig();
      if (!File.Exists(loginConfigPath))
      {
        XmlUtil.SerializerObjToFile(config, loginConfigPath);
      }
      else
        config = XmlUtil.DeserializeFromFile<MaterialRequisitionConfig>(loginConfigPath);
      return config;
    }

    public static void Save()
    {
      if (string.IsNullOrEmpty(_config.WeightSet))
        throw new Exception("请选择称型号");
      if (string.IsNullOrEmpty(_config.ComSet))
        throw new Exception("请选择Com口");
      if (_config.RateSet == null)
        throw new Exception("请选择波特率");
      if (_config.BitSet == null)
        throw new Exception("请选择数据位");
      if (string.IsNullOrEmpty(_config.Format))
        throw new Exception("请填写显示格式");
      try
      {
        string.Format("{0:" + _config.Format + "}", 1);
      }
      catch (Exception ex)
      {
        throw new Exception("显示格式填写错误\n" + ex.Message);
      }
      XmlUtil.SerializerObjToFile(_config, loginConfigPath);
    }
  }

  public class MaterialRequisitionConfig
  {
    public string WeightSet { get; set; }

    public string ComSet { get; set; }

    public int? RateSet { get; set; }

    public int? BitSet { get; set; }

    public string Format { get; set; }

    public decimal? Discont { get; set; }

    public int WeightType { get; set; }

    public decimal MinWeight { get; set; }

    public decimal MaxWeight { get; set; }
  }
}