#pragma once

#include <Platform/Win32/BorderlessWindowChrome.h>
#include <Platform/Win32/HostRuntimeState.h>

namespace XCEngine::UI {

class UIDrawList;

} // namespace XCEngine::UI

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

class EditorContext;
class EditorWindow;

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

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

class EditorWindowChromeController final {
public:
    EditorWindowChromeController() = default;
    ~EditorWindowChromeController() = default;

    EditorWindowChromeController(const EditorWindowChromeController&) = delete;
    EditorWindowChromeController& operator=(const EditorWindowChromeController&) = delete;
    EditorWindowChromeController(EditorWindowChromeController&&) = delete;
    EditorWindowChromeController& operator=(EditorWindowChromeController&&) = delete;

    void Reset();

    void SetWindowDpi(UINT dpi);
    UINT GetWindowDpi() const;
    float GetDpiScale(float baseDpiScale) const;

    void BeginInteractiveResize();
    void EndInteractiveResize();

    void BeginBorderlessResize(
        Host::BorderlessWindowResizeEdge edge,
        const POINT& initialScreenPoint,
        const RECT& initialWindowRect);
    void EndBorderlessResize();
    bool IsBorderlessResizeActive() const;
    Host::BorderlessWindowResizeEdge GetBorderlessResizeEdge() const;
    const POINT& GetBorderlessResizeInitialScreenPoint() const;
    const RECT& GetBorderlessResizeInitialWindowRect() const;
    void SetHoveredBorderlessResizeEdge(Host::BorderlessWindowResizeEdge edge);
    Host::BorderlessWindowResizeEdge GetHoveredBorderlessResizeEdge() const;

    void SetPredictedClientPixelSize(UINT width, UINT height);
    void ClearPredictedClientPixelSize();
    bool TryGetPredictedClientPixelSize(UINT& outWidth, UINT& outHeight) const;

    void SetBorderlessWindowMaximized(bool maximized);
    bool IsBorderlessWindowMaximized() const;
    void SetBorderlessWindowRestoreRect(const RECT& rect);
    bool TryGetBorderlessWindowRestoreRect(RECT& outRect) const;

    void BeginBorderlessWindowDragRestore(const POINT& initialScreenPoint);
    void EndBorderlessWindowDragRestore();
    bool IsBorderlessWindowDragRestoreArmed() const;
    const POINT& GetBorderlessWindowDragRestoreInitialScreenPoint() const;

    Host::BorderlessWindowChromeHitTarget GetHoveredChromeTarget() const;
    void SetHoveredChromeTarget(Host::BorderlessWindowChromeHitTarget target);
    Host::BorderlessWindowChromeHitTarget GetPressedChromeTarget() const;
    void SetPressedChromeTarget(Host::BorderlessWindowChromeHitTarget target);
    void ResetChromeState();
    bool IsChromeStateClear() const;
    const Host::BorderlessWindowChromeState& GetChromeState() const;

    bool HandleSystemCommand(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive,
        WPARAM wParam);
    bool HandleGetMinMaxInfo(const EditorWindow& window, LPARAM lParam) const;
    LRESULT HandleNcCalcSize(const EditorWindow& window, WPARAM wParam, LPARAM lParam) const;

    bool UpdateResizeHover(EditorWindow& window, LPARAM lParam);
    bool HandleResizeButtonDown(EditorWindow& window, LPARAM lParam);
    bool HandleResizeButtonUp(EditorWindow& window);
    bool HandleResizePointerMove(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive);
    void ClearResizeState(EditorWindow& window);
    void ForceClearResizeState(EditorWindow& window);
    Host::BorderlessWindowResizeEdge HitTestResizeEdge(
        const EditorWindow& window,
        LPARAM lParam) const;

    bool UpdateChromeHover(EditorWindow& window, LPARAM lParam);
    bool HandleChromeButtonDown(EditorWindow& window, LPARAM lParam);
    bool HandleChromeButtonUp(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive,
        LPARAM lParam);
    bool HandleChromeDoubleClick(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive,
        LPARAM lParam);
    bool HandleChromeDragRestorePointerMove(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive);
    void ClearChromeDragRestoreState(EditorWindow& window);
    void ClearChromeState(EditorWindow& window);
    Host::BorderlessWindowChromeHitTarget HitTestChrome(
        const EditorWindow& window,
        LPARAM lParam) const;
    Host::BorderlessWindowChromeLayout ResolveChromeLayout(
        const EditorWindow& window,
        float clientWidthDips) const;
    bool ShouldUseDetachedTitleBarTabStrip(const EditorWindow& window) const;
    void AppendChrome(
        const EditorWindow& window,
        ::XCEngine::UI::UIDrawList& drawList,
        float clientWidthDips) const;
    void ApplyResizeCursorHoverPriority();
    bool QueryCurrentWindowRect(const EditorWindow& window, RECT& outRect) const;
    bool QueryBorderlessWindowWorkAreaRect(const EditorWindow& window, RECT& outRect) const;
    bool ApplyPredictedWindowRectTransition(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive,
        const RECT& targetRect);
    void ToggleMaximizeRestore(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive);
    void ExecuteChromeAction(
        EditorWindow& window,
        EditorContext& editorContext,
        bool globalTabDragActive,
        Host::BorderlessWindowChromeHitTarget target);

private:
    Host::BorderlessWindowChromeState m_chromeState = {};
    Host::HostRuntimeState m_runtimeState = {};
};

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