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

namespace Aitex.Core.Util
{
    public static class Converter
    {
        /// <summary>
        /// Converts chamber Ids into Chinese string.
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        //public static string ToCstring(ChamberSet value)
        //{ 
        //    switch (value)
        //    {
        //        case ChamberSet.ReactorA:
        //            return "A腔";
        //        case ChamberSet.ReactorB:
        //            return "B腔";
        //        case ChamberSet.ReactorC:
        //            return "C腔";
        //        case ChamberSet.ReactorD:
        //            return "D腔";
        //        case ChamberSet.Buffer1:
        //            return "缓冲腔1";              
        //        case ChamberSet.Cooldown:
        //            return "冷却腔";
        //        case ChamberSet.Loadlock:
        //            return "装卸腔";
        //        case ChamberSet.Loadlock:
        //            return "传送腔";
        //        case ChamberSet.System:
        //            return "系统";
        //        default:
        //            return "未知腔";
        //    }
        //}

        ///// <summary>
        ///// Convert susceptor status
        ///// </summary>
        ///// <param name="status"></param>
        ///// <returns></returns>
        //public static string SusceptorStatus(SusceptorStatus status)
        //{
        //    switch (status)
        //    {
        //        case Platform.SusceptorStatus.Empty: return "空盘";
        //        case Platform.SusceptorStatus.Failed: return "运行出错";
        //        case Platform.SusceptorStatus.InProcessing: return "正在运行";
        //        case Platform.SusceptorStatus.Preprocessing: return "运行准备";
        //        case Platform.SusceptorStatus.Processed: return "运行完毕";
        //        case Platform.SusceptorStatus.Troubled: return "运行出错";
        //        case Platform.SusceptorStatus.Unprocessed: return "未处理";
        //        default:
        //            return "未知";
        //    }
        //}

        //public static string ToRoutineString(ChamberStateEnum routine)
        //{
        //    switch (routine)
        //    {
        //        case ChamberStateEnum.Pump:
        //            return "抽真空";
        //        case ChamberStateEnum.Vent:
        //            return "充气";
        //        case ChamberStateEnum.CyclePurge:
        //            return "循环吹扫";
        //        case ChamberStateEnum.LeakCheck:
        //            return "泄漏检查";
        //        case ChamberStateEnum.Idle:
        //            return "空闲";
        //        case ChamberStateEnum.Error:
        //            return "出错";
        //        case ChamberStateEnum.Aborted:
        //            return "空闲";
        //        case ChamberStateEnum.Servoing:
        //            return "伺服压力";
        //        case ChamberStateEnum.Transferring:
        //            return "传盘中";
        //    }
        //    return "未知";
        //}

        ///// <summary>
        ///// Unit converter from physical to logical in linear formula
        ///// </summary>
        ///// <returns></returns>
        public static double Phy2Logic(double physicalValue, double logicalMin, double logicalMax, double physicalMin, double physicalMax)
        {
            var ret = (logicalMax - logicalMin) * (physicalValue - physicalMin) / (physicalMax - physicalMin) + logicalMin;
            //if (ret < logicalMin) ret = logicalMin;
            //if (ret > logicalMax) ret = logicalMax;
            if (double.IsNaN(ret)) throw new DivideByZeroException("Phy2Logic除0操作");
            return ret;
        }

        ///// <summary>
        ///// Unit converter from logical to physical in linear formula
        ///// </summary>
        ///// <returns></returns>
        public static double Logic2Phy(double logicalValue, double logicalMin, double logicalMax, double physicalMin, double physicalMax)
        {
            var ret = (physicalMax - physicalMin) * (logicalValue - logicalMin) / (logicalMax - logicalMin) + physicalMin;
            if (ret < physicalMin) ret = physicalMin;
            if (ret > physicalMax) ret = physicalMax;
            if (double.IsNaN(ret)) 
                throw new DivideByZeroException("Logic2Phy除0操作");
            return ret;
        }

        ///// <summary>
        ///// Convert a structure to byte array
        ///// </summary>
        ///// <typeparam name="T">structure type</typeparam>
        ///// <param name="object1">structure object</param>
        ///// <returns></returns>
        //public static byte[] Structure2Bytes<T>(T object1)
        //{
        //    int size = Marshal.SizeOf(typeof(T));
        //    byte[] byteArr = new byte[size];
        //    IntPtr ptr = Marshal.AllocHGlobal(size);
        //    Marshal.StructureToPtr(object1, ptr, true);
        //    Marshal.Copy(ptr, byteArr, 0, size);
        //    Marshal.FreeHGlobal(ptr);
        //    return byteArr;
        //}


        ///// <summary>
        ///// Convert a byte array to a structure
        ///// </summary>
        ///// <typeparam name="T">Structure type</typeparam>
        ///// <param name="byteArr">byte array</param>
        ///// <param name="offset">byte array start index</param>
        ///// <param name="length">effective byte length</param>
        ///// <returns></returns>
        //public static T Bytes2Structure<T>(byte[] byteArr, int offset, int length)
        //{
        //    T object1;
        //    IntPtr ptr = Marshal.AllocHGlobal(length);
        //    Marshal.Copy(byteArr, offset, ptr, length);
        //    object1 = (T)Marshal.PtrToStructure(ptr, typeof(T));
        //    Marshal.FreeHGlobal(ptr);
        //    return object1;
        //}

        ///// <summary>
        ///// 转换不成功返回-1
        ///// </summary>
        ///// <param name="indata"></param>
        ///// <returns></returns>
        //public static double DoubleConverter(string indata)
        //{
        //    double ret = -1;
        //    double.TryParse(indata, out ret);
        //    return ret;
            
        //}

        /// <summary>
        /// Convert DeviceNet mac number to status string
        /// 0 = No error
        /// 1 = Station deactivated
        /// 2 = Station not exists
        /// 18 = Station ready
        /// 31 = only for EtherCAT gateways: WC-State of cyclic EtherCAT frame is 1
        /// 40 = Heartbeat Message not received
        /// 41 = Shutdown Message received
        /// 42 = Electronic Key Fault: Vendor Id
        /// 43 = Electronic Key Fault: Device Type
        /// 44 = Electronic Key Fault: Product Code
        /// 45 = Electronic Key Fault: Revision
        /// 46 = Fault while writing Start-Up Attributs
        /// 47 = wrong Produced IO-Data Size
        /// 48 = wrong Consumed IO-Data Size
        /// 49 = Idle Mode (for Slave Devices): no valid IO-Data is exchanged via DeviceNet
        /// </summary>
        /// <param name="macStatusInt"></param>
        /// <returns></returns>
        public static string MacStatus(int macStatusInt)
        {
            string ret = "未知错误代码" + macStatusInt.ToString();
            switch (macStatusInt)
            {
                case 0: ret = "No error"; break;
                case 1: ret = "Station deactivated"; break;
                case 2: ret = "Station not exists"; break;
                case 18: ret = "Station ready"; break;
                case 31: ret = "only for EtherCAT gateways: WC-State of cyclic EtherCAT frame is 1"; break;
                case 40: ret = "Heartbeat Message not received"; break;
                case 41: ret = "Shutdown Message received"; break;
                case 42: ret = "Electronic Key Fault: Vendor Id"; break;
                case 43: ret = "Electronic Key Fault: Device Type"; break;
                case 44: ret = "Electronic Key Fault: Product Code"; break;
                case 45: ret = "Electronic Key Fault: Revision"; break;
                case 46: ret = "Fault while writing Start-Up Attributs"; break;
                case 47: ret = "wrong Produced IO-Data Size"; break;
                case 48: ret = "wrong Consumed IO-Data Size"; break;
                case 49: ret = "Idle Mode (for Slave Devices): no valid IO-Data is exchanged via DeviceNet"; break;
            }
            return ret;
        }
	

        //public static string GetShowCommandString(string command)
        //{
        //    switch ((command+"").ToLower())
        //    {
        //        case "tmllgatevalve": return "装卸腔闸板阀开关";
        //        case "tmreactoragate": return "反应腔A闸板阀开关";
        //        case "tmreactorbgate": return "反应腔B闸板阀开关";
        //        case "tmreactorcgate": return "反应腔C闸板阀开关";
        //        case "tmreactordgate": return "反应腔D闸板阀开关";
        //    }
        //    return "";
        //}

        public static string MFCDisplay(double value)
        {
            if (value >= 10000)
                return value.ToString("F0");
            else if (value >= 10)
                return value.ToString("0.0");
            else
                return value.ToString("0.00");
        }
    }
}