using System;
using System.Reflection;

namespace Upsilon.StandardLibraries
{
    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true, Inherited = true)]
    [JetBrains.Annotations.MeansImplicitUse]
    public class ScriptFunctionAttribute : Attribute
    {
        public ScriptFunctionAttribute(string name, string comment = null,
            bool directScriptManipulation = false, bool passScriptReference = false, bool passScopeReference = false,
            Type overrideReturnType = null, string overrideReturnMethod = null)
        {
            Name = name;
            Comment = comment;
            DirectScriptManipulation = directScriptManipulation;
            PassScriptReference = passScriptReference;
            PassScopeReference = passScopeReference;
            if (overrideReturnType != null && overrideReturnMethod != null)
            {
                var method = overrideReturnType.GetMethod(overrideReturnMethod,
                    BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
                OverrideReturnType = method;
            }
        }

        public string Name { get; }
        public string Comment { get; }
        public bool DirectScriptManipulation { get; }
        public bool PassScriptReference { get; }
        public bool PassScopeReference { get; }
        public MethodInfo OverrideReturnType { get; }
    }
}