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

namespace IStation.Unit
{
    /// <summary>
    /// 压力单位辅助类
    /// </summary>
    public class UnitPRHelper : IUnitHelper
    {
        #region 静态

        public static double Convert(eUnitPR fromUnit, eUnitPR toUnit, double fromValue)
        {
            var toValue = fromValue;
            switch (fromUnit)
            {
                case eUnitPR.Pa:
                    {
                        switch (toUnit)
                        {
                            case eUnitPR.Pa:
                                {
                                    toValue = fromValue;
                                }
                                break;
                            case eUnitPR.MPa:
                                {
                                    toValue = fromValue / 1000000;
                                }
                                break;
                            case eUnitPR.KPa:
                                {
                                    toValue = fromValue / 1000;
                                }
                                break;
                            case eUnitPR.Bar:
                                {
                                    toValue = fromValue / 100000;
                                }
                                break;

                            default: break;
                        }

                    }
                    break;
                case eUnitPR.MPa:
                    {
                        switch (toUnit)
                        {
                            case eUnitPR.Pa:
                                {
                                    toValue = fromValue * 1000000;
                                }
                                break;
                            case eUnitPR.MPa:
                                {
                                    toValue = fromValue;
                                }
                                break;
                            case eUnitPR.KPa:
                                {
                                    toValue = fromValue * 1000;
                                }
                                break;
                            case eUnitPR.Bar:
                                {
                                    toValue = fromValue * 10;
                                }
                                break;

                            default: break;
                        }
                    }
                    break;
                case eUnitPR.KPa:
                    {
                        switch (toUnit)
                        {
                            case eUnitPR.Pa:
                                {
                                    toValue = fromValue * 1000;
                                }
                                break;
                            case eUnitPR.MPa:
                                {
                                    toValue = fromValue / 1000;
                                }
                                break;
                            case eUnitPR.KPa:
                                {
                                    toValue = fromValue;
                                }
                                break;
                            case eUnitPR.Bar:
                                {
                                    toValue = fromValue / 100;
                                }
                                break;

                            default: break;
                        }
                    }
                    break;
                case eUnitPR.Bar:
                    {
                        switch (toUnit)
                        {
                            case eUnitPR.Pa:
                                {

                                    toValue = fromValue * 100000;
                                }
                                break;
                            case eUnitPR.MPa:
                                {
                                    toValue = fromValue / 10;
                                }
                                break;
                            case eUnitPR.KPa:
                                {
                                    toValue = fromValue * 100;
                                }
                                break;
                            case eUnitPR.Bar:
                                {
                                    toValue = fromValue;
                                }
                                break;

                            default: break;
                        }
                    }
                    break;

                default: break;
            }
            return toValue;
        }

        public static string GetCnUnitName(eUnitPR unit)
        {
            switch (unit)
            {
                case eUnitPR.Pa: return "帕斯卡";
                case eUnitPR.MPa: return "兆帕";
                case eUnitPR.KPa: return "千帕";
                case eUnitPR.Bar: return "巴";
                default: return string.Empty;
            }

        }

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

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

        public static string GetEnUnitName(eUnitPR unit)
        {
            switch (unit)
            {
                case eUnitPR.Pa: return "Pa";
                case eUnitPR.MPa: return "MPa";
                case eUnitPR.KPa: return "KPa";
                case eUnitPR.Bar: return "bar";
                default: return string.Empty;
            }
        }




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




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




        #endregion

        #region 显示接口


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

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