/********************************************************************
	文件: PackReflectionEntity.cs
	作者: 梦语
	邮箱: 1982614048@qq.com
	创建时间: 2024/03/29 17:28:19
	最后修改: 梦语
	最后修改时间: 2024/04/03 16:00:00
	功能: 类和文本字符串相互转换
*********************************************************************/
using System;
using System.Reflection;
using System.Collections.Generic;
using System.Text;

namespace Ether
{
    public class PackReflectionEntity<T>
    {
        /// <summary>
        /// 类转文本字符串
        /// </summary>
        /// <param name="t">实例类</param>
        /// <returns></returns>
        public static string GetEntityToString(T t)
        {
            StringBuilder sb = new StringBuilder();
            Type type = t.GetType();
            PropertyInfo[] propertyInfos = type.GetProperties();
            for (int i = 0; i < propertyInfos.Length; i++)
            {
                sb.Append(propertyInfos[i].Name + " = " + propertyInfos[i].GetValue(t, null) + "\n");
            }
            return sb.ToString().TrimEnd(new char[] { '\n' });
        }

        /// <summary>
        /// 文本字符串转类
        /// </summary>
        /// <param name="array"></param>
        /// <returns></returns>
        public static T GetEntityStringToEntity(string[] array)
        {
            string[] temp = null;
            Dictionary<string, string> dic = new Dictionary<string, string>();

            foreach (string s in array)
            {
                string arr = s.Replace(" ", "");
                temp = arr.Split('=');
                dic.Add(temp[0], temp[1]);
            }
            Assembly assembly = Assembly.GetAssembly(typeof(T));
            T entry = (T)assembly.CreateInstance(typeof(T).FullName);
            StringBuilder sb = new StringBuilder();
            Type type = entry.GetType();
            PropertyInfo[] propertyInfos = type.GetProperties();
            for (int i = 0; i < propertyInfos.Length; i++)
            {
                foreach (string key in dic.Keys)
                {
                    if (propertyInfos[i].Name == key.ToString())
                    {
                        propertyInfos[i].SetValue(entry, GetObject(propertyInfos[i], dic[key]), null);
                        break;
                    }
                }
            }

            return entry;
        }

        /// <summary>
        /// 文本字符串转类(重载)
        /// </summary>
        /// <param name="str">字符串</param>
        /// <returns></returns>
        public static T GetEntityStringToEntity(string str)
        {
            string[] array = str.Split('\n');
            return GetEntityStringToEntity(array);
        }

        /// <summary>
        /// 获取类型
        /// </summary>
        /// <returns></returns>
        private static object GetObject(PropertyInfo p,string value)
        {
            switch (p.PropertyType.Name.ToString().ToLower())
            {
                case "int16":
                    return Convert.ToInt16(value);
                case "int32":
                    return Convert.ToInt32(value);
                case "int64":
                    return Convert.ToInt64(value);
                case "string":
                    return Convert.ToString(value);
                case "datetime":
                    return Convert.ToDateTime(value);
                case "boolean":
                    return Convert.ToBoolean(value);
                case "char":
                    return Convert.ToChar(value);
                case "double":
                    return Convert.ToDouble(value);
                default:
                    return value;
            }
        }
    }
}