using HslCommunication.Core;
using HslCommunication.Core.Device;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection.Emit;
using System.Text;
using System.Threading.Tasks;

namespace Seyounth.Auto.Plc.Helper
{
    public static class AnalysisHelper
    {
        #region 解析类型帮助类

        /// <summary>
        /// 根据类型获取字节长度
        /// </summary>
        /// <param name="structName"></param>
        /// <returns></returns>
        public static ushort TructToByteCount(string structName)
        {
            switch (structName.ToUpper())
            {
                case "SYSTEM.BOOL":
                case "SYSTEM.BOOLEAN":
                case "SYSTEM.BIT":
                    return 1;

                case "SYSTEM.BYTE":
                    return 1;

                case "SYSTEM.UINT16":
                case "SYSTEM.INT16":
                case "SYSTEM.SHORT":
                case "SYSTEM.USHORT":
                    return 2;

                case "SYSTEM.UINT32":
                case "SYSTEM.INT":
                case "SYSTEM.INT32":
                case "SYSTEM.FLOAT":
                case "SYSTEM.SINGLE":
                    return 4;

                case "SYSTEM.LONG":
                case "SYSTEM.DOUBLE":
                    return 6;

                case "SYSTEM.STRING":
                    return 20;

                default:
                    break;
            }
            return 0;
        }

        /// <summary>
        /// 根据类型获取字节长度
        /// </summary>
        /// <param name="structName"></param>
        /// <returns></returns>
        public static ushort TructToRegCount(string structName)
        {
            switch (structName.ToUpper())
            {
                case "SYSTEM.BOOL":
                case "SYSTEM.BOOLEAN":
                case "SYSTEM.BIT":
                    return 1;

                case "SYSTEM.BYTE":
                    return 1;

                case "SYSTEM.UINT16":
                case "SYSTEM.INT16":
                case "SYSTEM.SHORT":
                case "SYSTEM.USHORT":
                    return 1;

                case "SYSTEM.UINT32":
                case "SYSTEM.INT":
                case "SYSTEM.INT32":
                case "SYSTEM.FLOAT":
                case "SYSTEM.SINGLE":
                    return 2;

                case "SYSTEM.LONG":
                case "SYSTEM.DOUBLE":
                    return 3;

                case "SYSTEM.STRING":
                    return 10;

                default:
                    break;
            }
            return 0;
        }

        public static T ConvertBytes<T>(byte[] bytes, DeviceCommunication device, int startIndex)
        {
            if (bytes == null) throw new ArgumentNullException();

            return Type.GetTypeCode(typeof(T)) switch
            {
                TypeCode.Boolean => (T)(object)device.ByteTransform.TransBool(bytes, startIndex),
                TypeCode.Byte => (T)(object)device.ByteTransform.TransByte(bytes, startIndex),
                TypeCode.Int16 => (T)(object)device.ByteTransform.TransInt16(bytes, startIndex),
                TypeCode.UInt16 => (T)(object)device.ByteTransform.TransUInt16(bytes, startIndex),
                TypeCode.Int32 => (T)(object)device.ByteTransform.TransInt32(bytes, startIndex),
                TypeCode.UInt32 => (T)(object)device.ByteTransform.TransUInt32(bytes, startIndex),
                TypeCode.Int64 => (T)(object)device.ByteTransform.TransUInt64(bytes, startIndex),
                TypeCode.UInt64 => (T)(object)device.ByteTransform.TransUInt64(bytes, startIndex),
                TypeCode.Single => (T)(object)device.ByteTransform.TransSingle(bytes, startIndex),
                TypeCode.Double => (T)(object)device.ByteTransform.TransDouble(bytes, startIndex),
                // 添加其他需要的类型...
                _ => throw new NotSupportedException($"Type {typeof(T)} is not supported")
            };
        }

        #endregion 解析类型帮助类
    }
}