#pragma once

#include "IXCUITextAtlasProvider.h"

struct ImGuiContext;

namespace XCEngine {
namespace Editor {
namespace XCUIBackend {

class ImGuiTextAtlasProvider final : public IXCUITextAtlasProvider {
public:
    ImGuiTextAtlasProvider() = default;
    explicit ImGuiTextAtlasProvider(::ImGuiContext* context);

    void SetContext(::ImGuiContext* context);
    ::ImGuiContext* GetContext() const;

    bool GetAtlasTextureView(PixelFormat preferredFormat, AtlasTextureView& outView) const override;
    std::size_t GetFontCount() const override;
    FontHandle GetFont(std::size_t index) const override;
    FontHandle GetDefaultFont() const override;
    bool GetFontInfo(FontHandle font, FontInfo& outInfo) const override;
    bool GetBakedFontInfo(FontHandle font, float fontSize, BakedFontInfo& outInfo) const override;
    bool FindGlyph(FontHandle font, float fontSize, std::uint32_t codepoint, GlyphInfo& outInfo) const override;

private:
    ::ImGuiContext* ResolveContext() const;

    ::ImGuiContext* m_context = nullptr;
};

} // namespace XCUIBackend
} // namespace Editor
} // namespace XCEngine