using System;
using System.IO;
using System.Collections.Generic;
using Mesnac.Equips.Connection;

namespace Mesnac.Equips.BaseInfo
{
    public class CaptionAttribute : Attribute
    {
        public CaptionAttribute(string ss)
        {
            this.Caption = ss;
        }
        public string Caption { get; set; }
    }
    /// <summary>
    /// 设置主信息
    /// </summary>
    public class Main
    {
        private int _readHz = 0;
        /// <summary>
        /// 设备读取频率更改事件
        /// </summary>
        public event EventHandler OnReadHzChange;       //定义设备读取频率更改事件

        public Main()
        {
            this.Equip = null;
            this.Brand = string.Empty;
            this.Model = string.Empty;
            this._readHz = 1000;
            this.ConnType = new ConnType();
            this.UnitLen = 8;
        }
        /// <summary>
        /// 设备
        /// </summary>
        public BaseEquip Equip { get; set; }
        /// <summary>
        /// 品牌
        /// </summary>
        public string Brand { get; set; }
        /// <summary>
        /// 型号
        /// </summary>
        public string Model { get; set; }
        /// <summary>
        /// 连接方式
        /// </summary>
        public ConnType ConnType { get; set; }
        /// <summary>
        /// 读取频率
        /// </summary>
        public int ReadHz
        {
            get
            {
                return this._readHz;
            }
            set
            {
                if (this._readHz != value)
                {
                    this._readHz = value;
                    if (OnReadHzChange != null)
                    {
                        OnReadHzChange(this, System.EventArgs.Empty);       //触发设备读取频率更改事件
                    }
                }
            }
        }
        /// <summary>
        /// 字节长度
        /// </summary>
        public int UnitLen { get; set; }
    }
    /// <summary>
    /// 数据读取块
    /// </summary>
    public class Group
    {
        public Group()
        {
            this.Equip = null;
            this.Name = string.Empty;
            this.Remark = string.Empty;
            this.Block = string.Empty;
            this.Start = 0;
            this.Len = 0;
            this.Access = FileAccess.ReadWrite;
            this.IsAutoRead = true;
            this.Value = new string[0];
            this.Data = new Dictionary<string, Data>();
        }
        /// <summary>
        /// 设备
        /// </summary>
        public BaseEquip Equip { get; set; }
        /// <summary>
        /// 名称
        /// </summary>
        public string Name { get; set; }
        /// <summary>
        /// 块地址
        /// </summary>
        public string Block { get; set; }
        /// <summary>
        /// 起始地址
        /// </summary>
        public int Start { get; set; }
        /// <summary>
        /// 长度
        /// </summary>
        public int Len { get; set; }
        /// <summary>
        /// 权限
        /// </summary>
        public FileAccess Access { get; set; }
        /// <summary>
        /// 说明
        /// </summary>
        public string Remark { get; set; }
        /// <summary>
        /// 数据
        /// </summary>
        public object[] Value { get; set; }
        /// <summary>
        /// 是否自动读取
        /// </summary>
        public bool IsAutoRead { get; set; }
        /// <summary>
        /// 读取数据信息
        /// </summary>
        public Dictionary<string, Data> Data { get; set; }
    }
    /// <summary>
    /// 数据信息
    /// </summary>
    public class Data
    {
        public Data()
        {
            this.ReadTime = DateTime.MinValue;
            this.Group = null;
            this.Name = string.Empty;
            this.RunName = string.Empty;
            this.KeyName = string.Empty;
            this.Remark = string.Empty;
            this.Start = 0;
            this.Len = 0;
            this.Method = string.Empty;
            this.Max = string.Empty;
            this.Subtractor = string.Empty;

            this.Value = null;
            this.LastBeforeMathValue = null;
            this.IsSave = true;
        }
        public Group Group { get; set; }
        /// <summary>
        /// 值读取时间
        /// </summary>
        public DateTime ReadTime { get; set; }
        /// <summary>
        /// 名称
        /// </summary>
        public string Name { get; set; }
        /// <summary>
        /// 别名 系统中使用名称
        /// </summary>
        public string RunName { get; set; }
        /// <summary>
        /// 唯一主键
        /// </summary>
        public string KeyName { get; set; }
        /// <summary>
        /// 起始地址
        /// </summary>
        public int Start { get; set; }
        /// <summary>
        /// 长度
        /// </summary>
        public int Len { get; set; }
        /// <summary>
        /// 处理方法
        /// </summary>
        public string Method { get; set; }
        /// <summary>
        /// 最大值
        /// </summary>
        public string Max { get; set; }
        /// <summary>
        /// 是否进行保存
        /// </summary>
        public bool IsSave { get; set; }
        /// <summary>
        /// 被减数
        /// </summary>
        public string Subtractor { get; set; }
        /// <summary>
        /// 说明
        /// </summary>
        public string Remark { get; set; }
        private object value = null;
        private void SetValue(object v)
        {
            this.value = v;
            double d = 0;
            double max = 0;
            if ((this.value != null)
                && (double.TryParse(v.ToString(), out d))
                && (!string.IsNullOrWhiteSpace(this.Max))
                && (double.TryParse(this.Max, out max)))
            {
                this.ReadTime = DateTime.Now;
                if (d > max)
                {
                    max = 0;
                    if (!string.IsNullOrWhiteSpace(this.Subtractor)
                        && (double.TryParse(this.Subtractor, out max)))
                    {
                        this.value = d - max;
                    }
                    else
                    {
                        this.value = 0;
                    }
                }
            }
            try
            {
                if ((this.Group != null) && (this.Group.Equip != null))
                {
                    this.Group.Equip.RefreshEventArgsValue(this);
                }
            }
            catch { }
        }
        /// <summary>
        /// 数据
        /// </summary>
        public object Value
        {
            get
            {
                return value;
            }
            set
            {
                SetValue(value);
            }
        }

        public object[] LastBeforeMathValue { get; set; }
    }
}