#pragma once

#include "Features/Inspector/InspectorPresentationModel.h"
#include "Features/Inspector/InspectorSubject.h"

#include "Commands/EditorEditCommandRoute.h"
#include <XCEditor/Foundation/UIEditorTextMeasurement.h>
#include <XCEditor/Collections/UIEditorScrollViewInteraction.h>
#include <XCEditor/Fields/UIEditorPropertyGridInteraction.h>
#include <XCEditor/Panels/UIEditorHostedPanelDispatch.h>

#include <XCEngine/UI/DrawData.h>
#include <XCEngine/UI/Widgets/UIExpansionModel.h>
#include <XCEngine/UI/Widgets/UIPropertyEditModel.h>
#include <XCEngine/UI/Widgets/UISelectionModel.h>

#include <cstdint>
#include <string>
#include <unordered_set>
#include <vector>

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

class EditorCommandFocusService;
class EditorContext;
class EditorSceneRuntime;

class InspectorPanel final : public EditorEditCommandRoute {
public:
    void SetCommandFocusService(EditorCommandFocusService* commandFocusService);
    void Update(
        EditorContext& context,
        const UIEditorHostedPanelDispatchEntry& dispatchEntry,
        const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents);
    void Append(::XCEngine::UI::UIDrawList& drawList) const;

    UIEditorHostCommandEvaluationResult EvaluateEditCommand(
        std::string_view commandId) const override;
    UIEditorHostCommandDispatchResult DispatchEditCommand(
        std::string_view commandId) override;

private:
    void ResetPanelState();
    void ResetInteractionState();
    bool HasActivePointerCapture() const;
    void SyncExpansionState(bool subjectChanged);
    void SyncSelectionState();
    std::string BuildSubjectKey() const;
    float ResolveHeaderHeight() const;
    bool ShouldShowAddComponentButton() const;
    ::XCEngine::UI::UIRect BuildScrollViewportBounds() const;
    ::XCEngine::UI::UIRect BuildAddComponentButtonRect(
        const Widgets::UIEditorPropertyGridLayout& gridLayout,
        const ::XCEngine::UI::UIRect& contentBounds) const;
    float MeasureScrollableContentHeight(
        const ::XCEngine::UI::UIRect& contentBounds) const;
    void RebuildScrollableLayout();
    const InspectorPresentationComponentBinding* FindSelectedComponentBinding() const;
    const Widgets::UIEditorPropertyGridField* FindField(std::string_view fieldId) const;
    Widgets::UIEditorPropertyGridField* FindMutableField(std::string_view fieldId);
    void CapturePresentationStamps(const EditorContext& context);
    void RebuildPresentation(EditorContext& context, bool subjectChanged);
    void RefreshPresentation(EditorContext& context, bool subjectChanged);
    void ForceResyncPresentation(EditorContext& context);
    bool ApplyColorPickerToolValue(EditorContext& context);
    void RequestColorPicker(EditorContext& context, std::string_view fieldId);
    void ResetAddComponentButtonState();
    void UpdateAddComponentButton(
        EditorContext& context,
        const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents);
    bool ApplyChangedField(std::string_view fieldId);

    EditorCommandFocusService* m_commandFocusService = nullptr;
    EditorSceneRuntime* m_sceneRuntime = nullptr;
    bool m_visible = false;
    ::XCEngine::UI::UIRect m_bounds = {};
    InspectorSubject m_subject = {};
    std::string m_subjectKey = {};
    InspectorPresentationModel m_presentation = {};
    ::XCEngine::UI::Widgets::UISelectionModel m_fieldSelection = {};
    ::XCEngine::UI::Widgets::UIExpansionModel m_sectionExpansion = {};
    ::XCEngine::UI::Widgets::UIPropertyEditModel m_propertyEditModel = {};
    UIEditorScrollViewInteractionState m_scrollInteractionState = {};
    UIEditorScrollViewInteractionFrame m_scrollFrame = {};
    float m_scrollVerticalOffset = 0.0f;
    UIEditorPropertyGridInteractionState m_interactionState = {};
    UIEditorPropertyGridInteractionFrame m_gridFrame = {};
    std::unordered_set<std::string> m_knownSectionIds = {};
    std::uint64_t m_lastSceneSelectionStamp = 0u;
    std::uint64_t m_lastProjectSelectionStamp = 0u;
    std::uint64_t m_lastSceneInspectorRevision = 0u;
    std::uint64_t m_lastAppliedColorPickerRevision = 0u;
    const ::XCEngine::UI::Editor::UIEditorTextMeasurer* m_textMeasurer = nullptr;
    bool m_addComponentButtonHovered = false;
    bool m_addComponentButtonPressed = false;
};

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