using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Reflection;

namespace Mesnac.Equips
{
    public interface DataChanged
    {
        void DoSave(object sender, Mesnac.Equips.ReadEventArgs e);
    }
    public abstract class DataChanging
    {
        public DataChanging(DataChanged _changed)
        {
            this.DataChanged = _changed;
        }
        public abstract void DoRead(object sender, Mesnac.Equips.ReadEventArgs e);
        protected DataChanged DataChanged { get; set; }
        protected string DataChangingKey { get; set; }
    }

    public class DataChange
    {
        public DataChange()
        {
            Dictionary<string, DataChanging> dicDataChanging = ReadDataChangingXml();
            equipOnRead(dicDataChanging);
        }
        #region 数据验证层
        //绑定变化
        private void equipOnRead(DataChanging changing)
        {
            foreach (BaseEquip equip in Mesnac.Equips.Factory.Instance.AllEquips.Values)
            {
                equip.EquipReadData += changing.DoRead;
            }
        }
        private void equipOnRead(Dictionary<string, DataChanging> dicDataChanging)
        {
            foreach (DataChanging changing in dicDataChanging.Values)
            {
                equipOnRead(changing);
            }
        }
        //解析配置文件
        private Dictionary<string, DataChanging> ReadDataChangingXml()
        {
            Dictionary<string, DataChanging> dicDataChanging = new Dictionary<string, DataChanging>();
            return dicDataChanging;
        }
        private DataChanging getDataChanging(string fileName, string className, string key)
        {
            DataChanged changed = getDataChanged(key);
            if (changed == null)
            {
                return null;
            }
            if (!File.Exists(fileName))
            {
                return null;
            }
            Assembly ass = Assembly.LoadFile(fileName);
            if (ass == null)
            {
                return null;
            }
            Type type = ass.GetType(className);
            if (type == null)
            {
                return null;
            }
            DataChanging changing = (DataChanging)Activator.CreateInstance(type, changed);
            return changing;
        }
        #endregion
        #region 数据保存层
        private DataChanged getDataChanging(string fileName, string className)
        {
            if (!File.Exists(fileName))
            {
                return null;
            }
            Assembly ass = Assembly.LoadFile(fileName);
            if (ass == null)
            {
                return null;
            }
            Type type = ass.GetType(className);
            if (type == null)
            {
                return null;
            }
            DataChanged changed = (DataChanged)Activator.CreateInstance(type);
            return changed;
        }
        private DataChanged getDataChanged(string key)
        {
            string fileName = string.Empty;
            string className = string.Empty;
            return getDataChanging(fileName, className);
        }
        #endregion
    }
}