#pragma once

#ifndef NOMINMAX
#define NOMINMAX
#endif

#include "Platform/Win32/EditorWindowContentController.h"
#include "Platform/Win32/EditorWindowScreenshotController.h"

#include <Rendering/D3D12/D3D12UiRenderer.h>
#include <Rendering/D3D12/D3D12UiTextSystem.h>
#include <Rendering/D3D12/D3D12UiTextureHost.h>
#include <Rendering/D3D12/D3D12WindowRenderLoop.h>
#include <Rendering/D3D12/D3D12WindowRenderer.h>

#include <XCEngine/UI/DrawData.h>

#include <windows.h>

#include <chrono>
#include <filesystem>
#include <memory>
#include <string>

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

class EditorContext;

class EditorWindowRuntimeController final {
public:
    explicit EditorWindowRuntimeController(
        std::unique_ptr<EditorWindowContentController> contentController);
    ~EditorWindowRuntimeController();

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

    bool IsReady() const;

    const UIEditorWorkspaceController* TryGetWorkspaceController() const;
    UIEditorWorkspaceController* TryGetMutableWorkspaceController();
    const UIEditorWorkspaceController& GetWorkspaceController() const;
    UIEditorWorkspaceController& GetMutableWorkspaceController();
    void ReplaceWorkspaceController(UIEditorWorkspaceController workspaceController);

    const UIEditorShellInteractionFrame& GetShellFrame() const;
    const UIEditorShellInteractionState& GetShellInteractionState() const;

    void SetExternalDockHostDropPreview(
        const Widgets::UIEditorDockHostDropPreviewState& preview);
    void ClearExternalDockHostDropPreview();
    bool TryResolveDockTabDragHotspot(
        std::string_view nodeId,
        std::string_view panelId,
        const ::XCEngine::UI::UIPoint& point,
        ::XCEngine::UI::UIPoint& outHotspot) const;
    UIEditorDockHostTabDropTarget ResolveDockTabDropTarget(
        const ::XCEngine::UI::UIPoint& point) const;
    bool HasHostedContentCapture() const;
    bool HasShellInteractiveCapture() const;
    bool HasInteractiveCapture() const;
    EditorWindowContentCursorKind GetHostedContentCursorKind() const;
    EditorWindowContentCursorKind GetDockCursorKind() const;
    ::XCEngine::UI::UISize ResolveMinimumOuterSize() const;
    bool ShouldUseDetachedTitleBarTabStrip() const;
    std::string ResolveTabStripTitleText(std::string_view fallbackTitle) const;
    std::string ResolveDetachedWindowTitleText(
        std::string_view fallbackWindowTitle) const;

    void SetDpiScale(float dpiScale);
    ::XCEngine::UI::Editor::UIEditorTextMeasurer& GetTextMeasurer();
    const ::XCEngine::UI::Editor::UIEditorTextMeasurer& GetTextMeasurer() const;
    const ::XCEngine::UI::UITextureHandle& GetTitleBarLogoIcon() const;

    bool Initialize(
        HWND hwnd,
        const std::filesystem::path& repoRoot,
        EditorContext& editorContext,
        const std::filesystem::path& captureRoot,
        bool autoCaptureOnStartup);
    void Shutdown();
    void ResetInteractionState();
    bool ApplyResize(UINT width, UINT height);

    Host::D3D12WindowRenderLoopFrameContext BeginFrame();
    Host::D3D12WindowRenderLoopPresentResult Present(
        const ::XCEngine::UI::UIDrawData& drawData);
    EditorWindowFrameTransferRequests UpdateAndAppend(
        const EditorWindowContentFrameContext& context,
        ::XCEngine::UI::UIDrawData& drawData);
    void RenderRequestedViewports(
        const ::XCEngine::Rendering::RenderContext& renderContext);

    void RequestManualScreenshot(std::string reason);
    std::string BuildCaptureStatusText() const;
    std::string BuildFrameRateText() const;

private:
    void ResetFrameTiming();
    void UpdateFrameTiming();
    void RefreshDisplayedFrameStats();

    Host::D3D12WindowRenderer m_windowRenderer = {};
    Host::D3D12UiTextureHost m_textureHost = {};
    Host::D3D12UiTextSystem m_textSystem = {};
    Host::D3D12UiRenderer m_uiRenderer = {};
    Host::D3D12WindowRenderLoop m_windowRenderLoop = {};
    EditorWindowScreenshotController m_screenshotController = {};
    ::XCEngine::UI::UITextureHandle m_titleBarLogoIcon = {};
    std::unique_ptr<EditorWindowContentController> m_contentController = {};
    std::chrono::steady_clock::time_point m_lastFrameTime = {};
    bool m_hasLastFrameTime = false;
    float m_smoothedDeltaTimeSeconds = 0.0f;
    float m_frameStatsDisplayAccumulatorSeconds = 0.0f;
    float m_displayFps = 0.0f;
    float m_displayFrameTimeMs = 0.0f;
    float m_dpiScale = 1.0f;
    std::string m_frameRateText = {};
    bool m_ready = false;
};

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