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

namespace Tool
{
    public class CommonHelper
    {
        public static bool IMEICheck(string imei)
        {

            int vl_Sum1 = 0, vl_Sum2 = 0, vl_Total = 0;
            int vl_Temp = 0;

            for (int i = 0; i < 14; i++)
            {
                /*(1)将奇数位数字相加(从1开始计数)*/
                if ((i % 2) == 0)
                {
                    vl_Sum1 = vl_Sum1 + int.Parse(imei[i].ToString());
                }
                else
                {
                    /*(2)将偶数位数字分别乘以2,分别计算个位数和十位数之和(从1开始计数)*/
                    vl_Temp = (int.Parse(imei[i].ToString())) * 2;
                    if (vl_Temp < 10)
                    {
                        vl_Sum2 = vl_Sum2 + vl_Temp;
                    }
                    else
                    {
                        vl_Sum2 = vl_Sum2 + 1 + vl_Temp - 10;
                    }
                }
            }
            /*(1)+(2)*/
            vl_Total = vl_Sum1 + vl_Sum2;
            /*如果得出的数个位是0则校验位为0,否则为10减去个位数 */
            if ((vl_Total % 10) == 0)
            {
                if (imei[14] == '0')
                {
                    return true;
                }
            }
            else
            {
                if ((10 - (vl_Total % 10)).ToString() == imei[14].ToString())
                {
                    return true;
                }
            }
            return false;
        }
        public static string GetIMEI(string imei)
        {

            int vl_Sum1 = 0, vl_Sum2 = 0, vl_Total = 0;
            int vl_Temp = 0;

            for (int i = 0; i < 14; i++)
            {
                /*(1)将奇数位数字相加(从1开始计数)*/
                if ((i % 2) == 0)
                {
                    vl_Sum1 = vl_Sum1 + int.Parse(imei[i].ToString());
                }
                else
                {
                    /*(2)将偶数位数字分别乘以2,分别计算个位数和十位数之和(从1开始计数)*/
                    vl_Temp = (int.Parse(imei[i].ToString())) * 2;
                    if (vl_Temp < 10)
                    {
                        vl_Sum2 = vl_Sum2 + vl_Temp;
                    }
                    else
                    {
                        vl_Sum2 = vl_Sum2 + 1 + vl_Temp - 10;
                    }
                }
            }
            /*(1)+(2)*/
            vl_Total = vl_Sum1 + vl_Sum2;
            /*如果得出的数个位是0则校验位为0,否则为10减去个位数 */
            if ((vl_Total % 10) == 0)
            {
                return imei + "0";
            }
            else
            {
                return imei + (10 - (vl_Total % 10)).ToString();
            }
        }
        public static List<T> Clone<T>(List<T> list) where T : new()
        {
            List<T> items = new List<T>();

            foreach (var m in list)
            {
                var model = new T();
                var ps = model.GetType().GetProperties();
                var properties = m.GetType().GetProperties();
                foreach (var p in properties)
                {
                    foreach (var pm in ps)
                    {
                        if (pm.Name == p.Name)
                        {
                            pm.SetValue(model, p.GetValue(m));
                        }
                    }
                }
                items.Add(model);
            }

            return items;
        }
    }
}