#pragma once

#include "Windowing/Frame/EditorWindowTransferRequests.h"
#include "Windowing/Host/EditorWindowContentBindings.h"

#include <XCEditor/Foundation/UIEditorTextMeasurement.h>

#include <filesystem>
#include <optional>
#include <string>
#include <string_view>
#include <vector>

namespace XCEngine::Rendering {

class RenderContext;

} // namespace XCEngine::Rendering

namespace XCEngine::UI {

class UIDrawData;
class UIDrawList;

struct UIInputEvent;
struct UIPoint;
struct UIRect;
struct UISize;

} // namespace XCEngine::UI

namespace XCEngine::UI::Editor {
struct UIEditorShellInteractionFrame;
struct UIEditorShellInteractionState;

} // namespace XCEngine::UI::Editor

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

class UiTextureHost;
class ViewportRenderHost;

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

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

class EditorContext;

struct EditorWindowContentCapabilities {
    bool workspace = false;
    bool dockHost = false;
    bool inputFeedback = false;
    bool titleBar = false;
    bool viewportRendering = false;
    bool utilityPanel = false;
};

struct EditorWindowContentInitializationContext {
    const std::filesystem::path& repoRoot;
    EditorContext& editorContext;
    Rendering::Host::UiTextureHost& textureHost;
    UIEditorTextMeasurer& textMeasurer;
    Rendering::Host::ViewportRenderHost& viewportRenderer;
};

struct EditorWindowContentFrameContext {
    EditorContext& editorContext;
    const ::XCEngine::UI::UIRect& bounds;
    const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents;
    std::optional<EditorWindowScreenPoint> cursorScreenPoint = {};
    std::string_view captureStatusText;
    bool primary = false;
    bool globalTabDragActive = false;
    bool useDetachedTitleBarTabStrip = false;
};

class EditorWindowContentController {
public:
    virtual ~EditorWindowContentController() = default;

    virtual EditorWindowContentCapabilities GetCapabilities() const {
        return {};
    }

    virtual EditorWindowWorkspaceBinding* TryGetWorkspaceBinding() {
        return nullptr;
    }
    virtual const EditorWindowWorkspaceBinding* TryGetWorkspaceBinding() const {
        return nullptr;
    }
    virtual EditorWindowDockHostBinding* TryGetDockHostBinding() {
        return nullptr;
    }
    virtual const EditorWindowDockHostBinding* TryGetDockHostBinding() const {
        return nullptr;
    }
    virtual const EditorWindowInputFeedbackBinding* TryGetInputFeedbackBinding() const {
        return nullptr;
    }
    virtual const EditorWindowTitleBarBinding* TryGetTitleBarBinding() const {
        return nullptr;
    }

    virtual void Initialize(const EditorWindowContentInitializationContext&) {}
    virtual void PrepareEditorContext(EditorContext& context, UIEditorTextMeasurer& textMeasurer);
    virtual bool IsEditorContextValid(const EditorContext& context) const;
    virtual void AppendInvalidFrame(
        const EditorContext& context,
        ::XCEngine::UI::UIDrawList& drawList) const;
    virtual void NotifyStartupCaptureRequested(EditorContext& context);
    virtual void Shutdown() {}
    virtual void ResetInteractionState() {}
    virtual void SetViewportSurfacePresentationEnabled(bool) {}

    virtual EditorWindowFrameTransferRequests UpdateAndAppend(
        const EditorWindowContentFrameContext& context,
        ::XCEngine::UI::UIDrawData& drawData) = 0;
    virtual void RenderRequestedViewports(const ::XCEngine::Rendering::RenderContext&) {}

    virtual const UIEditorShellInteractionFrame& GetShellFrame() const = 0;
    virtual const UIEditorShellInteractionState& GetShellInteractionState() const = 0;

    virtual ::XCEngine::UI::UISize ResolveMinimumOuterSize() const = 0;
};

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