using System.ComponentModel;
using System.Reflection;

namespace DS.Module.Core;
/// <summary>
/// 常量帮助类
/// </summary>
public static class ConstUtil
{
    public static void GetConstantField()
    {
        Type t = typeof(MultiLanguageConst);
        FieldInfo[] fis = t.GetFields();  // 注意，这里不能有任何选项，否则将无法获取到const常量
        Dictionary<string, string> dicFruitCode = new Dictionary<string, string>();
        foreach (var field in fis)
        {
            var codeValue = field.GetRawConstantValue();
            var des = string.Empty;
            object[] objs = field.GetCustomAttributes(typeof(DescriptionAttribute), false);  //获取描述属性
            if (objs == null || objs.Length == 0) //当描述属性没有时，直接返回名称
            {
                dicFruitCode.Add(codeValue.ToString(), field.Name);
            }
            else
            {
                // return value;
                DescriptionAttribute attribute = (DescriptionAttribute)objs[0];
                dicFruitCode.Add(codeValue.ToString(), attribute?.Description);
            }
            
        }

        // foreach(var item in dicFruitCode)
        // {
        //     Console.WriteLine("FieldName:{0}={1}",item.Value,item.Key);
        // }
    }


    public static Dictionary<string, string> GetMultiLanguageFields()
    {
        Type t = typeof(MultiLanguageConst);
        FieldInfo[] fis = t.GetFields();  // 注意，这里不能有任何选项，否则将无法获取到const常量
        Dictionary<string, string> dicCode = new Dictionary<string, string>();
        foreach (var field in fis)
        {
            var codeValue = field.GetRawConstantValue();
            var des = string.Empty;
            object[] objs = field.GetCustomAttributes(typeof(DescriptionAttribute), false);  //获取描述属性
            if (objs == null || objs.Length == 0) //当描述属性没有时，直接返回名称
            {
                dicCode.Add(codeValue.ToString(), field.Name);
            }
            else
            {
                // return value;
                DescriptionAttribute attribute = (DescriptionAttribute)objs[0];
                dicCode.Add(codeValue.ToString(), attribute?.Description);
            }
            
        }

        return dicCode;
    }


}