using AspectCore.Extensions.Reflection;
using System.Reflection;
namespace ZhiYi.Core.Application.Shared
{
    public static class CustomerAppService
    {
        /// <summary>
        /// 自定义映射，默认值不映射
        /// </summary>
        /// <typeparam name="TSource"></typeparam>
        /// <typeparam name="TDest"></typeparam>
        /// <param name="source"></param>
        /// <param name="destination"></param>
        public static void ConditionalMap<TSource, TDest>(TSource source, TDest destination)
        where TSource : class
        where TDest : class
        {
            var sourceType = typeof(TSource);
            var destType = typeof(TDest);

            foreach (var prop in sourceType.GetProperties())
            {
                var destProp = destType.GetProperty(prop.Name);
                if (destProp != null)
                {
                    var defaultValue = prop.PropertyType.GetDefaultValue();
                    var sourceValue = prop.GetValue(source);
                    if (sourceValue != null && !sourceValue.Equals(defaultValue))
                    {
                        destProp.SetValue(destination, sourceValue);
                    }
                }
            }
        }

        /// <summary>
        /// 从所有字符串字段中删除前导和尾随空格.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="obj"></param>
        public static void TrimStringFields<T>(this T obj) where T : class
        {
            if (obj is null) return;
            var stringProperties = typeof(T).GetProperties(BindingFlags.Instance | BindingFlags.Public)
                                            .Where(p => p.PropertyType == typeof(string));

            foreach (var property in stringProperties)
            {
                var propertyValue = (string?)property.GetValue(obj);
                if (propertyValue != null)
                {
                    var trimmedValue = propertyValue.Trim();
                    property.SetValue(obj, trimmedValue);
                }
            }
        }
    }
}