#pragma once

#include "Features/Scene/LegacySceneViewportGizmo.h"
#include "Features/Scene/SceneViewportToolOverlay.h"

#include <XCEditor/Workspace/UIEditorWorkspaceCompose.h>

#include <XCEngine/UI/DrawData.h>
#include <XCEngine/UI/Types.h>

#include <chrono>
#include <filesystem>

namespace XCEngine::UI::Editor::App {

class EditorSceneRuntime;
class ViewportHostService;

} // namespace XCEngine::UI::Editor::App

namespace XCEngine::UI::Editor::Host {

class TextureHost;

} // namespace XCEngine::UI::Editor::Host

namespace XCEngine::UI::Editor::App {

class SceneViewportController {
public:
    void Initialize(
        const std::filesystem::path& repoRoot,
        Host::TextureHost& renderer);
    void Shutdown(Host::TextureHost& renderer);
    void ResetInteractionState();

    void Update(
        EditorSceneRuntime& sceneRuntime,
        ViewportHostService& viewportHostService,
        const UIEditorWorkspaceComposeState& composeState,
        const UIEditorWorkspaceComposeFrame& composeFrame);
    void Append(::XCEngine::UI::UIDrawList& drawList) const;

private:
    struct NavigationState {
        bool lookDragging = false;
        bool panDragging = false;
        ::XCEngine::UI::UIPointerButton panDragButton =
            ::XCEngine::UI::UIPointerButton::None;
    };

    void ResetFrameState();
    float ConsumeDeltaTimeSeconds();

    NavigationState m_navigationState = {};
    LegacySceneViewportGizmo m_legacyGizmo = {};
    SceneViewportToolOverlay m_toolOverlay = {};
    std::size_t m_hoveredToolOverlayIndex = kSceneViewportToolOverlayInvalidIndex;
    std::size_t m_activeToolOverlayIndex = kSceneViewportToolOverlayInvalidIndex;
    std::chrono::steady_clock::time_point m_lastUpdateTime = {};
    bool m_hasLastUpdateTime = false;
};

} // namespace XCEngine::UI::Editor::App