#pragma once

#include <XCEngine/UI/DrawData.h>

#include <cstdint>
#include <string_view>

namespace XCEngine::UI::Editor::Widgets {

enum class UIEditorPanelFrameAction : std::uint8_t {
    None = 0,
    Pin,
    Close
};

enum class UIEditorPanelFrameHitTarget : std::uint8_t {
    None = 0,
    Header,
    Body,
    Footer,
    PinButton,
    CloseButton
};

struct UIEditorPanelFrameState {
    bool active = false;
    bool hovered = false;
    bool focused = false;
    bool pinned = false;
    bool closable = true;
    bool pinnable = true;
    bool showFooter = false;
    bool pinHovered = false;
    bool closeHovered = false;
};

struct UIEditorPanelFrameText {
    std::string_view title = {};
    std::string_view subtitle = {};
    std::string_view footer = {};
};

struct UIEditorPanelFrameMetrics {
    float cornerRounding = 0.0f;
    float headerHeight = 28.0f;
    float footerHeight = 18.0f;
    float contentPadding = 8.0f;
    float titleInsetX = 9.0f;
    float titleInsetY = 6.0f;
    float subtitleInsetY = 16.0f;
    float footerInsetX = 9.0f;
    float footerInsetY = 3.0f;
    float actionButtonExtent = 14.0f;
    float actionInsetX = 8.0f;
    float actionGap = 4.0f;
    float baseBorderThickness = 1.0f;
    float hoveredBorderThickness = 1.0f;
    float activeBorderThickness = 1.0f;
    float focusedBorderThickness = 1.0f;
};

struct UIEditorPanelFramePalette {
    ::XCEngine::UI::UIColor surfaceColor =
        ::XCEngine::UI::UIColor(0.18f, 0.18f, 0.18f, 1.0f);
    ::XCEngine::UI::UIColor headerColor =
        ::XCEngine::UI::UIColor(0.20f, 0.20f, 0.20f, 1.0f);
    ::XCEngine::UI::UIColor footerColor =
        ::XCEngine::UI::UIColor(0.18f, 0.18f, 0.18f, 1.0f);
    ::XCEngine::UI::UIColor borderColor =
        ::XCEngine::UI::UIColor(0.23f, 0.23f, 0.23f, 1.0f);
    ::XCEngine::UI::UIColor hoveredBorderColor =
        ::XCEngine::UI::UIColor(0.28f, 0.28f, 0.28f, 1.0f);
    ::XCEngine::UI::UIColor activeBorderColor =
        ::XCEngine::UI::UIColor(0.32f, 0.32f, 0.32f, 1.0f);
    ::XCEngine::UI::UIColor focusedBorderColor =
        ::XCEngine::UI::UIColor(0.36f, 0.36f, 0.36f, 1.0f);
    ::XCEngine::UI::UIColor textPrimary =
        ::XCEngine::UI::UIColor(0.86f, 0.86f, 0.86f, 1.0f);
    ::XCEngine::UI::UIColor textSecondary =
        ::XCEngine::UI::UIColor(0.64f, 0.64f, 0.64f, 1.0f);
    ::XCEngine::UI::UIColor textMuted =
        ::XCEngine::UI::UIColor(0.58f, 0.58f, 0.58f, 1.0f);
    ::XCEngine::UI::UIColor actionButtonColor =
        ::XCEngine::UI::UIColor(0.21f, 0.21f, 0.21f, 1.0f);
    ::XCEngine::UI::UIColor actionButtonHoveredColor =
        ::XCEngine::UI::UIColor(0.24f, 0.24f, 0.24f, 1.0f);
    ::XCEngine::UI::UIColor actionButtonSelectedColor =
        ::XCEngine::UI::UIColor(0.27f, 0.27f, 0.27f, 1.0f);
    ::XCEngine::UI::UIColor actionButtonBorderColor =
        ::XCEngine::UI::UIColor(0.29f, 0.29f, 0.29f, 1.0f);
    ::XCEngine::UI::UIColor actionGlyphColor =
        ::XCEngine::UI::UIColor(0.82f, 0.82f, 0.82f, 1.0f);
};

struct UIEditorPanelFrameLayout {
    ::XCEngine::UI::UIRect frameRect = {};
    ::XCEngine::UI::UIRect headerRect = {};
    ::XCEngine::UI::UIRect bodyRect = {};
    ::XCEngine::UI::UIRect footerRect = {};
    ::XCEngine::UI::UIRect pinButtonRect = {};
    ::XCEngine::UI::UIRect closeButtonRect = {};
    bool hasFooter = false;
    bool showPinButton = false;
    bool showCloseButton = false;
};

bool IsUIEditorPanelFramePointInside(
    const ::XCEngine::UI::UIRect& rect,
    const ::XCEngine::UI::UIPoint& point);

bool IsUIEditorPanelFramePinButtonVisible(const UIEditorPanelFrameState& state);
bool IsUIEditorPanelFrameCloseButtonVisible(const UIEditorPanelFrameState& state);

UIEditorPanelFrameLayout BuildUIEditorPanelFrameLayout(
    const ::XCEngine::UI::UIRect& frameRect,
    const UIEditorPanelFrameState& state,
    const UIEditorPanelFrameMetrics& metrics = {});

::XCEngine::UI::UIColor ResolveUIEditorPanelFrameBorderColor(
    const UIEditorPanelFrameState& state,
    const UIEditorPanelFramePalette& palette = {});

float ResolveUIEditorPanelFrameBorderThickness(
    const UIEditorPanelFrameState& state,
    const UIEditorPanelFrameMetrics& metrics = {});

UIEditorPanelFrameAction HitTestUIEditorPanelFrameAction(
    const UIEditorPanelFrameLayout& layout,
    const UIEditorPanelFrameState& state,
    const ::XCEngine::UI::UIPoint& point);

UIEditorPanelFrameHitTarget HitTestUIEditorPanelFrame(
    const UIEditorPanelFrameLayout& layout,
    const UIEditorPanelFrameState& state,
    const ::XCEngine::UI::UIPoint& point);

void AppendUIEditorPanelFrameBackground(
    ::XCEngine::UI::UIDrawList& drawList,
    const UIEditorPanelFrameLayout& layout,
    const UIEditorPanelFrameState& state,
    const UIEditorPanelFramePalette& palette = {},
    const UIEditorPanelFrameMetrics& metrics = {});

void AppendUIEditorPanelFrameForeground(
    ::XCEngine::UI::UIDrawList& drawList,
    const UIEditorPanelFrameLayout& layout,
    const UIEditorPanelFrameState& state,
    const UIEditorPanelFrameText& text,
    const UIEditorPanelFramePalette& palette = {},
    const UIEditorPanelFrameMetrics& metrics = {});

void AppendUIEditorPanelFrame(
    ::XCEngine::UI::UIDrawList& drawList,
    const ::XCEngine::UI::UIRect& frameRect,
    const UIEditorPanelFrameState& state,
    const UIEditorPanelFrameText& text,
    const UIEditorPanelFramePalette& palette = {},
    const UIEditorPanelFrameMetrics& metrics = {});

} // namespace XCEngine::UI::Editor::Widgets