//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ExpIfNode"
// 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 StgSharp.Script.Express;

using System;
using System.Collections.Generic;
using System.Text;

namespace StgSharp.Script.Express
{
    public sealed class ExpIfNode : ExpSyntaxNode
    {

        private ExpSyntaxNode _falseOpBegin;
        private ExpSyntaxNode _rule;
        private ExpSyntaxNode  _trueOpBegin ;

        public ExpIfNode(Token source, ExpSyntaxNode rule, ExpSyntaxNode trueOpBegin)
            : base(source)
        {
            _rule = rule;
            _trueOpBegin = trueOpBegin;
            CodeConvertTemplate = ExpressCompile.PoolString(
                """
                if ( {0} )
                {
                    {1}
                }
                """);
        }

        public ExpIfNode(
               Token source,
               ExpSyntaxNode rule,
               ExpSyntaxNode rootOperationIfTrue,
               ExpSyntaxNode rootOperationIfFalse)
            : base(source)
        {
            _rule = rule;
            _trueOpBegin = rootOperationIfFalse;
            _falseOpBegin = rootOperationIfFalse;
            CodeConvertTemplate = ExpressCompile.PoolString(
                """
                if( {0} ) 
                {
                    {1}
                } else {
                    {2}
                }
                """);
        }

        public override ExpSyntaxNode Left => _trueOpBegin;

        public override ExpSyntaxNode Right => _falseOpBegin;

        public override IExpElementSource EqualityTypeConvert => null!;

        public void AppendFalseOperation(ExpSyntaxNode expressionRoot)
        {
            _falseOpBegin.AppendNode(expressionRoot);
        }

        public void AppendTrueOperation(ExpSyntaxNode expressionRoot)
        {
            _trueOpBegin.AppendNode(expressionRoot);
        }

    }
}