#pragma once

#include "Scene/EditorSceneBackend.h"
#include "UtilityWindows/EditorUtilityWindowRuntime.h"

#include <cstddef>
#include <string>
#include <vector>

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

class EditorSceneRuntime;

class AddComponentPanel final : public EditorUtilityWindowPanel {
public:
    explicit AddComponentPanel(EditorSceneRuntime& sceneRuntime)
        : m_sceneRuntime(sceneRuntime) {}

    std::string_view GetDrawListId() const override {
        return "XCEditorUtility.AddComponent";
    }
    void ResetInteractionState() override;
    void Update(
        const EditorUtilityWindowHostContext& hostContext,
        const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents) override;
    void Append(::XCEngine::UI::UIDrawList& drawList) const override;

private:
    struct EntryPresentation {
        std::string componentTypeName = {};
        std::string displayName = {};
        std::string disabledReason = {};
        ::XCEngine::UI::UIRect rect = {};
        bool enabled = false;
    };

    void ResetPanelState();
    void RebuildEntries(const EditorSceneObjectSnapshot* gameObject);
    bool TryActivateEntry(std::size_t entryIndex);
    std::size_t HitTestEntry(const ::XCEngine::UI::UIPoint& point) const;

    EditorSceneRuntime& m_sceneRuntime;
    bool m_visible = false;
    bool m_hasTarget = false;
    ::XCEngine::UI::UIRect m_bounds = {};
    std::string m_targetDisplayName = {};
    std::vector<EntryPresentation> m_entries = {};
    std::size_t m_hoveredEntryIndex = static_cast<std::size_t>(-1);
    std::size_t m_pressedEntryIndex = static_cast<std::size_t>(-1);
};

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