//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ExpLiteralNode"
// 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.Data;

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

namespace StgSharp.Script.Express
{
    public class ExpIntNode : ExpElementInstance
    {

        private int _value;

        public ExpIntNode(Token source, int value, bool isLiteral)
            : base(source)
        {
            this.IsLiteral = isLiteral;
            _value = value;
            _nodeFlag = ExpNodeFlag.BuiltinType_Int | ExpNodeFlag.Element_Type;
            CodeConvertTemplate = IsLiteral ? value.ToString() : source.Value;
        }

        public override IExpElementSource EqualityTypeConvert
        {
            get => ExpressCompile.ExpInt;
        }

        public int Value => _value;

        public override string TypeName => ExpressCompile.Keyword.Integer;

    }

    public class ExpStringNode : ExpElementInstance
    {

        private readonly string _value;

        public ExpStringNode(Token source, string value, bool isLiteral)
            : base(source)
        {
            this.IsLiteral = IsLiteral;
            _value = value;
            _nodeFlag = ExpNodeFlag.BuiltinType_String | ExpNodeFlag.Element_Type;
            CodeConvertTemplate = IsLiteral ? $"\"{value}\"" : source.Value;
        }

        public override IExpElementSource EqualityTypeConvert
        {
            get => ExpressCompile.ExpString;
        }

        public override string TypeName => EqualityTypeConvert.Name;

        public string Value => _value;

    }

    public interface IExpBooleanSyntax
    {

        bool Value { get; }

    }

    public class ExpBoolNode : ExpElementInstance, IExpBooleanSyntax
    {

        private readonly bool _value;

        public ExpBoolNode(Token source, bool value, bool isLiteral)
            : base(source)
        {
            this.IsLiteral = isLiteral;
            _value = value;
            _nodeFlag = ExpNodeFlag.BuiltinType_Boolean | ExpNodeFlag.Element_Type;
            CodeConvertTemplate = IsLiteral ? value.ToString() : source.Value;
        }

        public bool Value => _value;

        public override IExpElementSource EqualityTypeConvert
        {
            get => ExpSchema.BuiltinSchema.TryGetType(ExpressCompile.Keyword.Boolean, out ExpTypeSource? type) ?
                   type :
                   throw new ExpCompileNotInitializedException();
        }

        public override string TypeName => EqualityTypeConvert.Name;

        public static ExpBoolNode False(Token? t)
        {
            return new(t ?? new Token("FALSE", 0, -1, TokenFlag.Member), false,
                        isLiteral:true);
        }

        public static ExpBoolNode True(Token? t)
        {
            return new(t ?? new Token("TRUE", 0, -1, TokenFlag.Member), true, isLiteral:true);
        }

    }

    public class ExpRealNumberNode : ExpElementInstance
    {

        private readonly float _value;

        public ExpRealNumberNode(Token source, float value, bool isLiteral)
            : base(source)
        {
            _value = value;
            _nodeFlag = ExpNodeFlag.BuiltinType_Real | ExpNodeFlag.Element_Type;
            CodeConvertTemplate = isLiteral ? $"{value:F8}f" : source.Value;
        }

        public float Value => _value;

        public override IExpElementSource EqualityTypeConvert
        {
            get => ExpSchema.BuiltinSchema.TryGetType(ExpressCompile.Keyword.String, out ExpTypeSource? type) ?
                   type :
                   throw new ExpCompileNotInitializedException();
        }

        public override string TypeName => EqualityTypeConvert.Name;

    }

    public class ExpLogicValueNode : ExpElementInstance, IExpBooleanSyntax
    {

        private readonly ExpLogic _value;

        public ExpLogicValueNode(Token source, ExpLogic value, bool isLiteral)
            : base(source)
        {
            this.IsLiteral = isLiteral;
            _value = value;
            _nodeFlag = ExpNodeFlag.BuiltinType_Logic | ExpNodeFlag.Element_Type;
            CodeConvertTemplate = isLiteral ? value.ToString() : source.Value;
        }

        public ExpLogic LogicValue => _value;

        public override IExpElementSource EqualityTypeConvert
        {
            get => ExpSchema.BuiltinSchema.TryGetType(ExpressCompile.Keyword.Logical, out ExpTypeSource? type) ?
                   type :
                   throw new ExpCompileNotInitializedException();
        }

        public override string TypeName => EqualityTypeConvert.Name;

        bool IExpBooleanSyntax.Value => _value.ToBoolean();

    }
}