// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
// 
// 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 System;
using System.Text;

namespace SharpGen.CppModel;

/// <summary>
/// Type declaration.
/// </summary>
public abstract class CppMarshallable : CppElement
{
#nullable enable
    private string? typeName;
    private string? arrayDimension;

    public string TypeName
    {
        get => (Rule.OverrideNativeType == true ? Rule.MappingType : typeName)
            ?? throw new InvalidOperationException(
                   $"{nameof(CppMarshallable)} is expected to have {nameof(TypeName)}"
               );
        set => typeName = value;
    }

    public string Pointer
    {
        get => Rule.Pointer ?? string.Empty;
        set => Rule.Pointer = value;
    }

    public bool Const { get; set; }
    public bool IsArray => ArrayDimension != null;

    public string? ArrayDimension
    {
        get => Rule.TypeArrayDimension switch
        {
            { } arrayDimensionValue => arrayDimensionValue,
            _ => arrayDimension
        };
        set => arrayDimension = value;
    }

    public override string ToString()
    {
        var builder = new StringBuilder();
        if (Const)
            builder.Append("const ");
        builder.Append(TypeName);
        builder.Append(Pointer);

        if (!string.IsNullOrEmpty(Name))
        {
            builder.Append(' ');
            builder.Append(Name);
        }

        if (IsArray)
        {
            builder.Append('[');
            builder.Append(ArrayDimension);
            builder.Append(']');
        }

        return builder.ToString();
    }

    public bool HasPointer
    {
        get
        {
            var pointer = Pointer;
            return !string.IsNullOrEmpty(pointer) && (pointer.Contains("*") || pointer.Contains("&"));
        }
    }
#nullable restore

    protected CppMarshallable(string name) : base(name)
    {
    }
}