#pragma once

#ifndef NOMINMAX
#define NOMINMAX
#endif

#include <XCEngine/UI/DrawData.h>

#include <windows.h>

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

enum class BorderlessWindowChromeHitTarget : std::uint8_t {
    None = 0,
    DragRegion,
    MinimizeButton,
    MaximizeRestoreButton,
    CloseButton
};

struct BorderlessWindowChromeMetrics {
    float buttonWidth = 46.0f;
    float buttonInsetX = 0.0f;
    float dragPaddingLeft = 6.0f;
    float dragPaddingRight = 6.0f;
    float iconThickness = 1.0f;
};

struct BorderlessWindowChromePalette {
    ::XCEngine::UI::UIColor buttonHoverColor =
        ::XCEngine::UI::UIColor(0.14f, 0.14f, 0.14f, 1.0f);
    ::XCEngine::UI::UIColor buttonPressedColor =
        ::XCEngine::UI::UIColor(0.17f, 0.17f, 0.17f, 1.0f);
    ::XCEngine::UI::UIColor closeButtonHoverColor =
        ::XCEngine::UI::UIColor(0.84f, 0.28f, 0.22f, 1.0f);
    ::XCEngine::UI::UIColor closeButtonPressedColor =
        ::XCEngine::UI::UIColor(0.72f, 0.20f, 0.16f, 1.0f);
    ::XCEngine::UI::UIColor iconColor =
        ::XCEngine::UI::UIColor(0.92f, 0.92f, 0.92f, 1.0f);
    ::XCEngine::UI::UIColor closeIconHoverColor =
        ::XCEngine::UI::UIColor(1.0f, 1.0f, 1.0f, 1.0f);
};

struct BorderlessWindowChromeState {
    BorderlessWindowChromeHitTarget hoveredTarget = BorderlessWindowChromeHitTarget::None;
    BorderlessWindowChromeHitTarget pressedTarget = BorderlessWindowChromeHitTarget::None;
};

struct BorderlessWindowChromeLayout {
    ::XCEngine::UI::UIRect titleBarRect = {};
    ::XCEngine::UI::UIRect dragRect = {};
    ::XCEngine::UI::UIRect minimizeButtonRect = {};
    ::XCEngine::UI::UIRect maximizeRestoreButtonRect = {};
    ::XCEngine::UI::UIRect closeButtonRect = {};
};

BorderlessWindowChromeLayout BuildBorderlessWindowChromeLayout(
    const ::XCEngine::UI::UIRect& titleBarRect,
    float leadingOccupiedRight,
    const BorderlessWindowChromeMetrics& metrics = {});

BorderlessWindowChromeHitTarget HitTestBorderlessWindowChrome(
    const BorderlessWindowChromeLayout& layout,
    const ::XCEngine::UI::UIPoint& point);

void AppendBorderlessWindowChrome(
    ::XCEngine::UI::UIDrawList& drawList,
    const BorderlessWindowChromeLayout& layout,
    const BorderlessWindowChromeState& state,
    bool maximized,
    const BorderlessWindowChromePalette& palette = {},
    const BorderlessWindowChromeMetrics& metrics = {});

void RefreshBorderlessWindowDwmDecorations(HWND hwnd);
void EnableBorderlessWindowShadow(HWND hwnd);

bool HandleBorderlessWindowGetMinMaxInfo(HWND hwnd, LPARAM lParam);

LRESULT HandleBorderlessWindowNcCalcSize(
    HWND hwnd,
    WPARAM wParam,
    LPARAM lParam,
    UINT dpi);

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