/*
 * Copyright (C) 2024-2025 Samuel Weinig <sam@webkit.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <WebCore/CSSBorderRadius.h>
#include <WebCore/FloatRoundedRect.h>
#include <WebCore/LayoutRoundedRect.h>
#include <WebCore/StylePrimitiveNumericTypes.h>

namespace WebCore {

class LayoutSize;

namespace Style {

using BorderRadiusValue = MinimallySerializingSpaceSeparatedSize<LengthPercentage<CSS::Nonnegative>>;

// <'border-radius'> = <length-percentage [0,∞]>{1,4} [ / <length-percentage [0,∞]>{1,4} ]?
// https://drafts.csswg.org/css-backgrounds-3/#propdef-border-radius
struct BorderRadius : RectCorners<BorderRadiusValue> {
    BorderRadius(BorderRadiusValue value)
        : RectCorners<BorderRadiusValue> { value, value, value, value }
    {
    }

    BorderRadius(BorderRadiusValue topLeft, BorderRadiusValue topRight, BorderRadiusValue bottomLeft, BorderRadiusValue bottomRight)
        : RectCorners<BorderRadiusValue> { WTFMove(topLeft), WTFMove(topRight), WTFMove(bottomLeft), WTFMove(bottomRight) }
    {
    }

    BorderRadius(RectCorners<BorderRadiusValue>&& corners)
        : RectCorners<BorderRadiusValue> { WTFMove(corners) }
    {
    }

    bool operator==(const BorderRadius&) const = default;
};

template<size_t I> const auto& get(const BorderRadius& value)
{
    if constexpr (!I)
        return value.topLeft();
    else if constexpr (I == 1)
        return value.topRight();
    else if constexpr (I == 2)
        return value.bottomLeft();
    else if constexpr (I == 3)
        return value.bottomRight();
}

// MARK: - Conversion

template<> struct ToCSS<BorderRadius> { auto operator()(const BorderRadius&, const RenderStyle&) -> CSS::BorderRadius; };
template<> struct ToStyle<CSS::BorderRadius> { auto operator()(const CSS::BorderRadius&, const BuilderState&) -> BorderRadius; };

template<> struct CSSValueConversion<BorderRadiusValue> { auto operator()(BuilderState&, const CSSValue&) -> BorderRadiusValue; };

// MARK: - Evaluation

template<> struct Evaluation<BorderRadius> {
    auto operator()(const BorderRadius&, FloatSize) -> FloatRoundedRect::Radii;
    auto operator()(const BorderRadius&, LayoutSize) -> LayoutRoundedRect::Radii;
};

} // namespace Style
} // namespace WebCore

DEFINE_TUPLE_LIKE_CONFORMANCE(WebCore::Style::BorderRadius, 4)
