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

namespace IStation.Unit 
{
    /// <summary>
    /// 转速单位辅助类
    /// </summary>
    public class UnitNHelper:IUnitHelper
    {
        #region 静态方法

        /// <summary>
        /// 转换
        /// </summary>
        /// <param name="fromUnit"></param>
        /// <param name="toUnit"></param>
        /// <param name="fromValue"></param>
        /// <returns></returns>
        public static double Convert(eUnitN fromUnit, eUnitN toUnit, double fromValue)
        {
            double toValue = fromValue;
            switch (fromUnit)
            {
                case eUnitN.r_min:
                    {
                        switch (toUnit)
                        {
                            case eUnitN.r_min: break;
                            case eUnitN.r_s: toValue = fromValue / 60; break;
                            default: break;
                        }
                    }
                    break;
                case eUnitN.r_s:
                    {
                        switch (toUnit)
                        {
                            case eUnitN.r_min: toValue = fromValue * 60; break;
                            case eUnitN.r_s:  break;
                            default: break;
                        }
                    }
                    break;
                default: break;
            }
            return toValue;
        }

        /// <summary>
        /// 获取英文单位名称
        /// </summary>
        /// <param name="unit"></param>
        /// <returns></returns>
        public static string GetEnUnitName(eUnitN unit)
        {
            switch (unit)
            {
                case eUnitN.r_min: return "r/min";
                case eUnitN.r_s: return "r/s";
                default: return string.Empty;
            }
        }

        /// <summary>
        /// 获取中文单位名称
        /// </summary>
        /// <param name="unit"></param>
        /// <returns></returns>
        public static string GetCnUnitName(eUnitN unit)
        {
            switch (unit)
            {
                case eUnitN.r_min: return "转每分";
                case eUnitN.r_s: return "转每秒";
                default: return string.Empty;
            }
        }

        /// <summary>
        /// 获取英文单位名称列表
        /// </summary>
        /// <returns></returns>
        public static List<string> GetEnUnitNameList()
        {
            var list = new List<string>();
            foreach (eUnitN item in Enum.GetValues(typeof(eUnitN)))
            {
                list.Add(GetEnUnitName(item));
            }
            return list;
        }

        /// <summary>
        /// 获取中文单位名称列表
        /// </summary>
        /// <returns></returns>
        public static List<string> GetCnUnitNameList()
        {
            var list = new List<string>();
            foreach (eUnitN item in Enum.GetValues(typeof(eUnitN)))
            {
                list.Add(GetCnUnitName(item));
            }
            return list;
        }

        /// <summary>
        /// 获取英文单位字典
        /// </summary>
        /// <returns></returns>
        public static Dictionary<eUnitN, string> GetEnUnitDict()
        {
            var dic = new Dictionary<eUnitN, string>();
            foreach (eUnitN item in Enum.GetValues(typeof(eUnitN)))
            {
                dic.Add(item, GetEnUnitName(item));
            }
            return dic;
        }

        /// <summary>
        /// 获取中文单位字典
        /// </summary>
        /// <returns></returns>
        public static Dictionary<eUnitN, string> GetCnUnitDict()
        {
            var dic = new Dictionary<eUnitN, string>();
            foreach (eUnitN item in Enum.GetValues(typeof(eUnitN)))
            {
                dic.Add(item, GetCnUnitName(item));
            }
            return dic;
        }

        #endregion

        #region 显示接口


        double IUnitHelper.Convert(int fromUnit, int toUnit, double fromValue)
        {
            return Convert((eUnitN)fromUnit, (eUnitN)toUnit, fromValue);
        }

        string IUnitHelper.GetCnUnitName(int unit)
        {
            return GetCnUnitName((eUnitN)unit);
        }

        List<string> IUnitHelper.GetCnUnitNameList()
        {
            return GetCnUnitNameList();
        }

        Dictionary<int, string> IUnitHelper.GetCnUnitDict()
        {
            var dic = new Dictionary<int, string>();
            foreach (var item in GetCnUnitDict())
            {
                dic.Add((int)item.Key, item.Value);
            }
            return dic;
        }

        string IUnitHelper.GetEnUnitName(int unit)
        {
            return GetEnUnitName((eUnitN)unit);
        }

        List<string> IUnitHelper.GetEnUnitNameList()
        {
            return GetEnUnitNameList();
        }

        Dictionary<int, string> IUnitHelper.GetEnUnitDict()
        {
            var dic = new Dictionary<int, string>();
            foreach (var item in GetEnUnitDict())
            {
                dic.Add((int)item.Key, item.Value);
            }
            return dic;
        }




        #endregion
    }
}