using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
#endif

public static class ReflectionExtensions
{
    public static void InvokeMethod(this object obj, string method, object value = null)
    {
        if (obj == null)
            throw new NullReferenceException("Target Object is null.");

        Type objType = obj.GetType();
        object[] argValues = null;
        Type[] argTypes = null;

        if (value == null)
        {
            argValues = new object[0];
            argTypes = new Type[0];
        }
        else
        {
            argValues = new object[] { value };
            argTypes = new Type[] { value.GetType() };
        }

        InvokeMethod(obj, objType, method, argValues, argTypes);
    }

    public static void InvokeMethod(this object obj, string method, object[] argValues, Type[] argTypes)
    {
        InvokeMethod(obj, obj.GetType(), method, argValues, argTypes);
    }

    private static void InvokeMethod(object obj, Type objectType, string method, object[] argValues, Type[] argTypes)
    {
#if !NETFX_CORE
        BindingFlags bindingAttr = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.OptionalParamBinding;
        MethodInfo methodInfo = null;

        // 基于方法名称和参数类型查找
        if (argValues != null)
            methodInfo = objectType.GetMethod(method, bindingAttr, null, argTypes, null);
        else
            methodInfo = objectType.GetMethod(method, bindingAttr);

        if (methodInfo != null)
            methodInfo.Invoke(obj, argValues);
        else if (objectType.BaseType != null)
            InvokeMethod(obj, objectType.BaseType, method, argValues, argTypes);
        else
            throw new MissingMethodException();
#endif
    }

    public static void InvokeStaticMethod(this Type objectType, string method, object[] argValues, Type[] argTypes)
    {
#if !NETFX_CORE
        BindingFlags bindingAttr = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.OptionalParamBinding;
        MethodInfo methodInfo = null;

        if (argValues != null)
            methodInfo = objectType.GetMethod(method, bindingAttr, null, argTypes, null);
        else
            methodInfo = objectType.GetMethod(method, bindingAttr);

        if (methodInfo != null)
            methodInfo.Invoke(null, argValues);
        else if (objectType.BaseType != null)
            InvokeStaticMethod(objectType.BaseType, method, argValues, argTypes);
        else
            throw new MissingMethodException();
#endif
    }
}