//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
//     file="ExpIfNode.cs"
//     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 );
        }

    }
}