using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Mesnac.Action.ChemicalWeighing.Entity
{
    /// <summary>
    /// PLC设备变量值
    /// </summary>
    [Serializable]
    public class Value
    {
        #region 字段定义

        private object value = null;

        #endregion

        #region 参数构造方法

        public Value(object obj)
        {
            this.value = obj;
        }

        #endregion

        #region 方法定义

        /// <summary>
        /// 转为Object
        /// </summary>
        /// <returns></returns>
        public object ToObject()
        {
            return this.value;
        }

        /// <summary>
        /// 转为整型
        /// </summary>
        /// <param name="defaultValue">默认值</param>
        /// <returns></returns>
        public int ToInt(int defaultValue)
        {
            int iResult = defaultValue;
            if (this.value != null && this.value != DBNull.Value && int.TryParse(this.value.ToString(), out iResult))
            {
                return iResult;
            }
            return defaultValue;
        }

        /// <summary>
        /// 转为整型
        /// </summary>
        /// <returns></returns>
        public int ToInt()
        {
            return ToInt(0);
        }

        /// <summary>
        /// 转为float类型
        /// </summary>
        /// <param name="defaultValue">默认值</param>
        /// <returns></returns>
        public float ToFloat(float defaultValue)
        {
            float fResult = defaultValue;
            if (this.value != null && this.value != DBNull.Value && float.TryParse(this.value.ToString(), out fResult))
            {
                return fResult;
            }
            return defaultValue;
        }

        /// <summary>
        /// 转为float类型
        /// </summary>
        /// <returns></returns>
        public float ToFloat()
        {
            return ToFloat(0.0f);
        }

        /// <summary>
        /// 转为double类型
        /// </summary>
        /// <param name="defaultValue">默认值</param>
        /// <returns></returns>
        public double ToDouble(double defaultValue)
        {
            double iResult = defaultValue;
            if (this.value != null && this.value != DBNull.Value && double.TryParse(this.value.ToString(), out iResult))
            {
                return iResult;
            }
            return defaultValue;
        }

        /// <summary>
        /// 转为double类型
        /// </summary>
        /// <returns></returns>
        public double ToDouble()
        {
            return ToDouble(0.0);
        }

        /// <summary>
        /// 转为日期类型
        /// </summary>
        /// <param name="defaultValue">默认值</param>
        /// <returns></returns>
        public DateTime ToDateTime(DateTime defaultValue)
        {
            DateTime iResult = defaultValue;
            if (this.value != null && this.value != DBNull.Value && DateTime.TryParse(this.value.ToString(), out iResult))
            {
                return iResult;
            }
            return defaultValue;
        }

        /// <summary>
        /// 转为日期类型
        /// </summary>
        /// <returns></returns>
        public DateTime ToDateTime()
        {
            return ToDateTime(DateTime.Now);
        }

        /// <summary>
        /// 转为字符串
        /// </summary>
        /// <param name="defaultValue">默认值</param>
        /// <returns></returns>
        public string ToString(string defaultValue)
        {
            string iResult = defaultValue;
            if (this.value != null && this.value != DBNull.Value)
            {
                return this.value.ToString();
            }
            return defaultValue;
        }

        /// <summary>
        /// 转为字符串
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return ToString(string.Empty);
        }

        #endregion
    }
}