#pragma once

#include <XCEngine/UI/DrawData.h>

#include <cstddef>
#include <cstdint>
#include <string>
#include <vector>

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

enum class UIEditorEnumFieldHitTargetKind : std::uint8_t {
    None = 0,
    Row,
    ValueBox,
    DropdownArrow
};

struct UIEditorEnumFieldSpec {
    std::string fieldId = {};
    std::string label = {};
    std::vector<std::string> options = {};
    std::size_t selectedIndex = 0u;
    bool readOnly = false;
};

struct UIEditorEnumFieldState {
    UIEditorEnumFieldHitTargetKind hoveredTarget = UIEditorEnumFieldHitTargetKind::None;
    bool focused = false;
    bool active = false;
    bool popupOpen = false;
};

struct UIEditorEnumFieldMetrics {
    float rowHeight = 22.0f;
    float horizontalPadding = 12.0f;
    float labelControlGap = 20.0f;
    float controlColumnStart = 236.0f;
    float controlTrailingInset = 8.0f;
    float valueBoxMinWidth = 96.0f;
    float controlInsetY = 1.0f;
    float labelTextInsetY = 0.0f;
    float labelFontSize = 11.0f;
    float valueTextInsetX = 3.0f;
    float valueTextInsetY = 0.0f;
    float valueFontSize = 12.0f;
    float dropdownArrowWidth = 20.0f;
    float dropdownArrowInsetX = 0.0f;
    float dropdownArrowInsetY = -1.0f;
    float dropdownArrowFontSize = 10.0f;
    float cornerRounding = 0.0f;
    float valueBoxRounding = 2.0f;
    float borderThickness = 1.0f;
    float focusedBorderThickness = 1.0f;
};

struct UIEditorEnumFieldPalette {
    ::XCEngine::UI::UIColor surfaceColor =
        ::XCEngine::UI::UIColor(0.0f, 0.0f, 0.0f, 0.0f);
    ::XCEngine::UI::UIColor borderColor =
        ::XCEngine::UI::UIColor(0.0f, 0.0f, 0.0f, 0.0f);
    ::XCEngine::UI::UIColor focusedBorderColor =
        ::XCEngine::UI::UIColor(0.14f, 0.14f, 0.14f, 1.0f);
    ::XCEngine::UI::UIColor rowHoverColor =
        ::XCEngine::UI::UIColor(0.0f, 0.0f, 0.0f, 0.0f);
    ::XCEngine::UI::UIColor rowActiveColor =
        ::XCEngine::UI::UIColor(0.0f, 0.0f, 0.0f, 0.0f);
    ::XCEngine::UI::UIColor valueBoxColor =
        ::XCEngine::UI::UIColor(0.18f, 0.18f, 0.18f, 1.0f);
    ::XCEngine::UI::UIColor valueBoxHoverColor =
        ::XCEngine::UI::UIColor(0.21f, 0.21f, 0.21f, 1.0f);
    ::XCEngine::UI::UIColor readOnlyColor =
        ::XCEngine::UI::UIColor(0.17f, 0.17f, 0.17f, 1.0f);
    ::XCEngine::UI::UIColor controlBorderColor =
        ::XCEngine::UI::UIColor(0.14f, 0.14f, 0.14f, 1.0f);
    ::XCEngine::UI::UIColor labelColor =
        ::XCEngine::UI::UIColor(0.88f, 0.88f, 0.88f, 1.0f);
    ::XCEngine::UI::UIColor valueColor =
        ::XCEngine::UI::UIColor(0.88f, 0.88f, 0.88f, 1.0f);
    ::XCEngine::UI::UIColor arrowColor =
        ::XCEngine::UI::UIColor(0.88f, 0.88f, 0.88f, 1.0f);
};

struct UIEditorEnumFieldLayout {
    ::XCEngine::UI::UIRect bounds = {};
    ::XCEngine::UI::UIRect labelRect = {};
    ::XCEngine::UI::UIRect controlRect = {};
    ::XCEngine::UI::UIRect valueRect = {};
    ::XCEngine::UI::UIRect arrowRect = {};
};

struct UIEditorEnumFieldHitTarget {
    UIEditorEnumFieldHitTargetKind kind = UIEditorEnumFieldHitTargetKind::None;
};

std::string ResolveUIEditorEnumFieldValueText(const UIEditorEnumFieldSpec& spec);

UIEditorEnumFieldLayout BuildUIEditorEnumFieldLayout(
    const ::XCEngine::UI::UIRect& bounds,
    const UIEditorEnumFieldSpec& spec,
    const UIEditorEnumFieldMetrics& metrics = {});

UIEditorEnumFieldHitTarget HitTestUIEditorEnumField(
    const UIEditorEnumFieldLayout& layout,
    const ::XCEngine::UI::UIPoint& point);

void AppendUIEditorEnumFieldBackground(
    ::XCEngine::UI::UIDrawList& drawList,
    const UIEditorEnumFieldLayout& layout,
    const UIEditorEnumFieldSpec& spec,
    const UIEditorEnumFieldState& state,
    const UIEditorEnumFieldPalette& palette = {},
    const UIEditorEnumFieldMetrics& metrics = {});

void AppendUIEditorEnumFieldForeground(
    ::XCEngine::UI::UIDrawList& drawList,
    const UIEditorEnumFieldLayout& layout,
    const UIEditorEnumFieldSpec& spec,
    const UIEditorEnumFieldPalette& palette = {},
    const UIEditorEnumFieldMetrics& metrics = {});

void AppendUIEditorEnumField(
    ::XCEngine::UI::UIDrawList& drawList,
    const ::XCEngine::UI::UIRect& bounds,
    const UIEditorEnumFieldSpec& spec,
    const UIEditorEnumFieldState& state,
    const UIEditorEnumFieldPalette& palette = {},
    const UIEditorEnumFieldMetrics& metrics = {});

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