using OfficeOpenXml;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.Common;
using System.IO;

namespace 鞋子止滑性能测试仪
{
    public class Data_Change
    {
        /// <summary>
        /// 将ADC值转换为实际值
        /// </summary>
        /// <param name="shuruzhi">读取原始数据</param>
        /// 读取原始数据
        /// <param name="jiaozhunzhi">校准零点值</param>
        /// <param name="xishu">压力系数</param>
        /// <returns></returns>
        public float Change_ADC_ToFloat(int shuruzhi, int jiaozhunzhi, float xishu)
        {
            int A = shuruzhi - jiaozhunzhi;
            float output = Convert.ToSingle(A)/xishu; ;
            return output;
        }
        /// <summary>
        /// 修改配置文件
        /// </summary>
        /// <param name="duixiang"></param>
        /// <param name="xiugaizhi"></param>
        /// <returns></returns>
        public bool ChangeData(string duixiang, string xiugaizhi)
        {
            bool isSuccess = false;
            try
            {
                Configuration cfa = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
                cfa.AppSettings.Settings[duixiang].Value = xiugaizhi;
                cfa.Save();
                ConfigurationManager.RefreshSection("appSettings");
                string connStr = ConfigurationManager.AppSettings[duixiang].ToString();
                if (connStr == xiugaizhi)

                {
                    isSuccess = true;

                }
                else
                {
                    isSuccess = false;
                }
            }
            catch
            {
                isSuccess = false;

            }

            return isSuccess;

        }
        /// <summary>
        /// ushort转为float类型
        /// </summary>
        /// <param name="P1"></param>
        /// <param name="P2"></param>
        /// <returns>float型数据</returns>
        public float UshortToFloat(ushort P1, ushort P2)
        {
            int intSign, intSignRest, intExponent, intExponentRest;
            float faResult, faDigit;
            intSign = P1 / 32768;
            intSignRest = P1 % 32768;
            intExponent = intSignRest / 128;
            intExponentRest = intSignRest % 128;
            faDigit = (float)(intExponentRest * 65536 + P2) / 8388608;
            faResult = (float)Math.Pow(-1, intSign) * (float)Math.Pow(2, intExponent - 127) * (faDigit + 1);
            return faResult;
        }
        /// <summary>
        /// ushort转为int类型
        /// </summary>
        /// <param name="u1"></param>
        /// <param name="u2"></param>
        /// <returns>返回int型数据</returns>
        public int UshortToInt1(ushort u1, ushort u2)
        {
            ushort[] maidong = new ushort[2] { u1, u2 };
            byte[] bytes = new byte[maidong.Length * 2];
            Buffer.BlockCopy(maidong, 0, bytes, 0, bytes.Length);
            int result = BitConverter.ToInt32(bytes, 0);
            // 将字节数组转换为32位无符号整数
            return result;

        }
        /// <summary>
        /// Float转为Ushort数组发送
        /// </summary>
        /// <param name="value"></param>
        /// <returns>返回ushort数组</returns>
        public ushort[] SplitFloatToUShortArray(float value)
        {
            byte[] floatBytes = BitConverter.GetBytes(value);
            ushort[] ushortArray = new ushort[floatBytes.Length / 2];

            for (int i = 0, j = 0; i < floatBytes.Length; i += 2, j++)
            {
                ushortArray[j] = BitConverter.ToUInt16(floatBytes, i);
            }

            return ushortArray;
        }
        /// <summary>
        /// Int转为ushort数组发送
        /// </summary>
        /// <param name="res"></param>
        /// <returns>返回ushort数组</returns>
        public ushort[] intToushorts(int res)
        {
            ushort ust1 = (ushort)(res >> 16);
            ushort ust2 = (ushort)res;
            return new ushort[] { ust2, ust1 };
        }
        public void ExportDataTableToExcel(List<string> list1, List<float> list2, List<float> list3, List<float> list4, List<float> list5)
        {
            ExcelPackage.LicenseContext = OfficeOpenXml.LicenseContext.NonCommercial;
            // 获取保存路径
            string saveDirectory = @"D:\文件保存\" + DateTime.Now.ToString("yyyyMMdd") + @"\";
            string fileName = "Export_" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xlsx";
            string fullPath = Path.Combine(saveDirectory, fileName);

            // 创建目录（如果不存在）
            Directory.CreateDirectory(saveDirectory);

            // 开始导出
            using (ExcelPackage excelPackage = new ExcelPackage())
            {
                ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.Add("Sheet1");

                // 写入表头
                int colIndex = 1;
                worksheet.Cells[1, colIndex].Value = "时间(0.01s)";
                    worksheet.Cells[1, colIndex+1].Value = "正压力（N）";
                    worksheet.Cells[1, colIndex + 2].Value = "摩擦力（N）";
                    worksheet.Cells[1, colIndex + 3].Value = "位移量（mm）";
                worksheet.Cells[1, colIndex + 4].Value = "摩擦系数";

                // 写入数据
                for(int i = 2; i < list1.Count; i++)
                {
                    worksheet.Cells[i, 1].Value = list1[i];
                    worksheet.Cells[i, 2].Value = list2[i];
                    worksheet.Cells[i, 3].Value = list3[i];
                    worksheet.Cells[i, 4].Value = list4[i];
                    worksheet.Cells[i, 5].Value = list5[i];
                }
                // 保存文件
                var file = new FileInfo(fullPath);
                excelPackage.SaveAs(file);

            }
        }
    }
}