using System;
using System.Collections.Generic;
using System.Linq;
using HealthMonitor.Util.Entities.Base;
using HealthMonitor.Util.Entities.Interfaces;

namespace HealthMonitor.Util.Common
{
	public class EntityUtils
	{
		///// <summary>
		///// 根据实体主键类型，把参数转换为对应的类型
		///// </summary>
		///// <typeparam name="T"></typeparam>
		///// <param name="value"></param>
		///// <returns></returns>
		//public static object GetWrapKeyValue<T>(string value) where T : EntityBase
		//{
		//	var type = typeof(T);
		//	var ifs = type.GetInterfaces();

		//	if (ifs.Contains(typeof(IKeyIntType)))
		//	{
		//		int key;
		//		key = int.TryParse(value, out key) ? key : 0;
		//		return key;
		//	}

		//	if (ifs.Contains(typeof(IKeyLongType)))
		//	{
		//		long key;
		//		key = long.TryParse(value, out key) ? key : 0;
		//		return key;
		//	}
		//	return value;
		//}

		//public static bool HasAutoGenerateKey<T>()
		//{
		//	return HasAutoGenerateKey(typeof(T));
		//}

		public static bool HasAutoGenerateKey(Type type)
		{
			var ifs = type.GetInterfaces();
			var numericTypes = new List<Type> { typeof(IKeyIntType), typeof(IKeyLongType) };
			var manualTypes = new List<Type> { typeof(IKeyIntNeverGeneratedType), typeof(IKeyLongNeverGeneratedType) };

			if(ifs.Any(e => numericTypes.Contains(e)) && ifs.Any(e => manualTypes.Contains(e)) == false)
			{
				return true;
			}
			return false;
		}
	}
}