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

namespace IStation.Model
{
    /// <summary>
    /// 单位系数换算
    /// </summary>
    public class UnitRatioMatrix : JsonModel<UnitRatioMatrix>
    {
        /// <summary>
        /// 单位类型
        /// </summary>
        public eUnitType UnitType { get; set; }

        /// <summary>
        /// 原始单位
        /// </summary>
        public int FromUnit { get; set; }

        /// <summary>
        /// 目标单位
        /// </summary>
        public int ToUnit { get; set; }


        /// <summary>
        /// 转换
        /// </summary>
        public double Matrix(double value)
        {
            var helper = UnitHelper.GetUnitHelper(UnitType);
            return helper.Convert(FromUnit, ToUnit, value);
        }

        /// <summary>
        /// 获取表达式
        /// </summary>
        public string GetExpression()
        {
            return $"{UnitHelper.GetEnUnitName(UnitType, FromUnit)}=>{UnitHelper.GetEnUnitName(UnitType, ToUnit)}";
        }
    }
}