using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BWP.WinFormControl.WeightControl_
{
  public class WeightContext
  {
    private static string loginConfigPath = Application.StartupPath + "\\WeightConfigs.xml";

    private static WeightConfigs _configs;
    public static WeightConfig GetConfig(ApplyTo applyto)
    {
      var config = Configs.Configs.Find(x => x.ApplyTo == applyto);
      if (config == null)
      {
        config=new WeightConfig();
        config.ApplyTo = applyto;
        Configs.Configs.Add(config);
        XmlUtil.SerializerObjToFile(Configs, loginConfigPath);
      }
      return config;
    }

    public static WeightConfigs Configs
    {
      get
      {
        if (_configs == null)
          _configs = CreateConfigs();
        return _configs;
      }
    }

    static WeightConfigs CreateConfigs( )
    {
      var configs = new WeightConfigs();
      if (!File.Exists(loginConfigPath))
      {
        XmlUtil.SerializerObjToFile(configs, loginConfigPath);
      }
      else
      {
        configs = XmlUtil.DeserializeFromFile<WeightConfigs>(loginConfigPath);
      }
      return configs;
    }

    public static void Save(ApplyTo applyto)
    {
      var config = Configs.Configs.First(x=>x.ApplyTo== applyto);
     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(Configs, loginConfigPath);
    }

  }

  public class WeightConfigs
  {
    public WeightConfigs()
    {
      Configs=new List<WeightConfig>();
    }

    public List<WeightConfig> Configs { get; set; }
  }

  public class WeightConfig
  {
    public ApplyTo ApplyTo { get; set; }

    public string WeightSet { get; set; }

    public string ComSet { get; set; }

    public int? RateSet { get; set; }

    private int mBitSet = 8;
    public int BitSet
    {
      get { return mBitSet;}
      set { mBitSet = value; }
    }

    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; }
  }

  public enum ApplyTo
  {
    胴体入库=1,
    分割称重 = 2,
    领料退料=3
}
}