using System.Collections.Generic;

/// <summary>
/// Declarative "sugar" description for a generated wrapper class.
/// You can provide several specs with the same TargetClass; they will be merged.
/// </summary>
public sealed class SugarClassSpec {
    public string TargetClass { get; }
    public List<string> Includes { get; set; } = new();  // reserved for future use
    public List<SugarMethodSpec> Methods { get; set; } = new();

    public SugarClassSpec(string targetClass) => TargetClass = targetClass;
}

/// <summary>
/// Declarative description of one sugar method to inject into a wrapper.
/// </summary>
public sealed class SugarMethodSpec {
    public string Name { get; set; } = "";                 // C++ method name
    public string ReturnType { get; set; } = "void";       // C++ return type
    public List<string> Parameters { get; set; } = new();  // e.g., "int x", "IntrusivePtr<Buffer> buf"
    public bool IsStatic { get; set; } = false;
    public bool IsConst { get; set; } = false;
    public bool IsNoexcept { get; set; } = false;

    // Body lines with placeholders:
    // ${handle} -> _handle
    // ${vk}     -> vk
    // ${owner0.handle} -> first primary owner handle, etc.
    // For IntrusivePtr<T> params: ${param.handle}
    // For vector<IntrusivePtr<T>> params: ${param.handles}, ${param.size}/${param.count}
    public List<string> BodyLines { get; set; } = new();

    // Optional guard expression (e.g., "defined(VK_KHR_swapchain)")
    public string? Guard { get; set; }

    // Require presence of vk* function names and extension names
    public List<string> RequiresFunctions { get; set; } = new();
    public List<string> RequiresExtensions { get; set; } = new();
}