using System;
using System.Collections.Generic;

namespace IStation.Unit
{
    /// <summary>
    /// 无功功率单位辅助类
    /// </summary>
    public class UnitPQHelper : IUnitHelper
    {
        #region 静态

        public static double Convert(eUnitPQ fromUnit, eUnitPQ toUnit, double fromValue)
        {
            var toValue = fromValue;
            switch (fromUnit)
            {
                case eUnitPQ.Var:
                    {
                        switch (toUnit)
                        {
                            case eUnitPQ.Var:
                                {
                                    toValue = fromValue;
                                }
                                break;
                            case eUnitPQ.kVar:
                                {
                                    toValue = fromValue / 1000;
                                }
                                break;
                            default: break;
                        }
                    }
                    break;
                case eUnitPQ.kVar:
                    {
                        switch (toUnit)
                        {
                            case eUnitPQ.Var:
                                {
                                    toValue = fromValue * 1000;
                                }
                                break;
                            case eUnitPQ.kVar:
                                {
                                    toValue = fromValue;
                                }
                                break;
                            default: break;
                        }
                    }
                    break;


                default: break;
            }
            return toValue;
        }

        public static string GetCnUnitName(eUnitPQ unit)
        {
            switch (unit)
            {
                case eUnitPQ.Var: return "乏";
                case eUnitPQ.kVar: return "千乏";

                default: return string.Empty;
            }

        }

        public static List<string> GetCnUnitNameList()
        {
            var list = new List<string>();
            foreach (eUnitPQ item in Enum.GetValues(typeof(eUnitPQ)))
            {
                list.Add(GetCnUnitName(item));
            }
            return list;
        }

        public static Dictionary<eUnitPQ, string> GetCnUnitDict()
        {
            var dic = new Dictionary<eUnitPQ, string>();
            foreach (eUnitPQ item in Enum.GetValues(typeof(eUnitPQ)))
            {
                dic.Add(item, GetCnUnitName(item));
            }
            return dic;
        }

        public static string GetEnUnitName(eUnitPQ unit)
        {
            switch (unit)
            {
                case eUnitPQ.Var: return "Var";
                case eUnitPQ.kVar: return "kVar";

                default: return string.Empty;
            }
        }




        public static List<string> GetEnUnitNameList()
        {
            var list = new List<string>();
            foreach (eUnitPQ item in Enum.GetValues(typeof(eUnitPQ)))
            {
                list.Add(GetEnUnitName(item));
            }
            return list;
        }




        public static Dictionary<eUnitPQ, string> GetEnUnitDict()
        {
            var dic = new Dictionary<eUnitPQ, string>();
            foreach (eUnitPQ item in Enum.GetValues(typeof(eUnitPQ)))
            {
                dic.Add(item, GetEnUnitName(item));
            }
            return dic;
        }




        #endregion

        #region 显示接口


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

        string IUnitHelper.GetCnUnitName(int unit)
        {
            return GetCnUnitName((eUnitPQ)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((eUnitPQ)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
    }
}