#pragma once

#include <XCEngine/UI/DrawData.h>

#include <memory>
#include <string>

namespace XCEngine {
namespace UI {
struct UIRect;
struct UIPoint;
} // namespace UI
namespace Editor {
namespace XCUIBackend {

struct XCUILayoutLabInputState {
    UI::UIRect canvasRect = {};
    UI::UIPoint pointerPosition = {};
    bool pointerInside = false;
    bool pointerPressed = false;
    bool navigatePrevious = false;
    bool navigateNext = false;
    bool navigateHome = false;
    bool navigateEnd = false;
    bool navigateCollapse = false;
    bool navigateExpand = false;
};

struct XCUILayoutLabFrameStats {
    bool documentsReady = false;
    std::string statusMessage = {};
    std::size_t drawListCount = 0;
    std::size_t commandCount = 0;
    std::size_t filledRectCommandCount = 0;
    std::size_t rectOutlineCommandCount = 0;
    std::size_t textCommandCount = 0;
    std::size_t imageCommandCount = 0;
    std::size_t clipPushCommandCount = 0;
    std::size_t clipPopCommandCount = 0;
    std::size_t nativeSupportedCommandCount = 0;
    std::size_t nativeUnsupportedCommandCount = 0;
    std::size_t nativeUnsupportedImageCommandCount = 0;
    std::size_t nativeUnsupportedUnknownCommandCount = 0;
    bool nativeOverlayReady = false;
    std::string nativeOverlayStatusMessage = {};
    std::size_t rowCount = 0;
    std::size_t columnCount = 0;
    std::size_t overlayCount = 0;
    std::size_t scrollViewCount = 0;
    std::size_t treeViewCount = 0;
    std::size_t treeItemCount = 0;
    std::size_t listViewCount = 0;
    std::size_t listItemCount = 0;
    std::size_t propertySectionCount = 0;
    std::size_t fieldRowCount = 0;
    std::size_t expandedTreeItemCount = 0;
    std::size_t expandedPropertySectionCount = 0;
    std::string hoveredElementId = {};
    std::string selectedElementId = {};
};

struct XCUILayoutLabFrameResult {
    UI::UIDrawData drawData = {};
    XCUILayoutLabFrameStats stats = {};
};

class XCUILayoutLabRuntime {
public:
    XCUILayoutLabRuntime();
    ~XCUILayoutLabRuntime();

    XCUILayoutLabRuntime(XCUILayoutLabRuntime&& other) noexcept;
    XCUILayoutLabRuntime& operator=(XCUILayoutLabRuntime&& other) noexcept;

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

    bool ReloadDocuments();
    const XCUILayoutLabFrameResult& Update(const XCUILayoutLabInputState& input);
    const XCUILayoutLabFrameResult& GetFrameResult() const;
    bool TryGetElementRect(const std::string& elementId, UI::UIRect& outRect) const;

private:
    struct RuntimeState;
    std::unique_ptr<RuntimeState> m_state;
};

} // namespace XCUIBackend
} // namespace Editor
} // namespace XCEngine