//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ExpMetaRefNode"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using Microsoft.CodeAnalysis;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StgSharp.Script.Express
{
    public class ExpMetaRefNode : ExpSyntaxNode
    {

        internal ExpMetaRefNode(Token source, ExpInstantiableElement element)
            : base(source)
        {
            SourceRef = element;
        }

        public ExpInstantiableElement SourceRef { get; init; }

        public override ExpSyntaxNode Left => Empty;

        public override ExpSyntaxNode Right => Empty;

        public override IExpElementSource EqualityTypeConvert => ExpInstantiableElement.Void;

        public static ExpMetaRefNode RefEntity(Token position, ExpEntitySource entity)
        {
            if (position.Value != entity.Name) {
                throw new ExpCompileException(
                    position,
                    $"Meta data does not match, name of source to match is {entity.Name}, but token is {position.Value}");
            }
            ExpMetaRefNode node = new ExpMetaRefNode(position, entity)
            {
                CodeConvertTemplate = entity.Name,
            };
            return node;
        }

        public static ExpMetaRefNode RefType(Token position, ExpTypeSource type)
        {
            if (position.Value != type.Name) {
                throw new ExpCompileException(
                    position,
                    $"Meta data does not match, name of source to match is {type.Name}, but token is {position.Value}");
            }
            ExpMetaRefNode node = new ExpMetaRefNode(position, type)
            {
                CodeConvertTemplate = type.Name,
            };
            ;
            return node;
        }

    }
}