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

namespace NFine.Application.BBWMS
{
    public static class ConvertExt
    {
        #region 文本转换
        public static string ToStringExt(this object data)
        {
            return data == null ? string.Empty : data.ToString();
        }

        public static bool IsNullOrEmpty(this string str)
        {
            return string.IsNullOrEmpty(str);
        }

        //public static string ToStringExt(this IConvertHelper convert, object data)
        //{
        //    return ToStringExt(data);
        //}
        #endregion

        public static To Mapping<From, To>(From model)
        {
            To result = Activator.CreateInstance<To>();
            foreach (PropertyInfo info in typeof(To).GetProperties())
            {
                PropertyInfo pro = typeof(From).GetProperty(info.Name);
                if (pro != null && pro.PropertyType == info.PropertyType)
                    info.SetValue(result, pro.GetValue(model));
            }
            return result;
        }
        public static To Mapping<From, To>(From model, To result)
        {
            foreach (PropertyInfo info in typeof(To).GetProperties())
            {
                PropertyInfo pro = typeof(From).GetProperty(info.Name);
                if (pro != null && pro.PropertyType == info.PropertyType)
                {
                    var value = pro.GetValue(model);
                    if (value == null)
                    {
                        continue;
                    }
                    info.SetValue(result, value);
                }
            }
            return result;
        }
    }

    public static class CommonHelper
    {
        public static string GetBaseUrl(Uri url)
        {
            return new StringBuilder()
         .Append(url.Scheme)
         .Append("://")
         .Append(url.Authority)
         .ToString();
        }
    }
}