/*
 * Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include "SVGViewElement.h"
#include <LibWeb/Bindings/SVGViewElementPrototype.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/SVG/AttributeNames.h>
#include <LibWeb/SVG/SVGAnimatedRect.h>

namespace Web::SVG {

GC_DEFINE_ALLOCATOR(SVGViewElement);

SVGViewElement::SVGViewElement(DOM::Document& document, DOM::QualifiedName qualified_name)
    : SVGGraphicsElement(document, move(qualified_name))
{
}

void SVGViewElement::initialize(JS::Realm& realm)
{
    WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGViewElement);
    Base::initialize(realm);
    m_view_box_for_bindings = realm.create<SVGAnimatedRect>(realm);
}

void SVGViewElement::visit_edges(Visitor& visitor)
{
    Base::visit_edges(visitor);
    visitor.visit(m_view_box_for_bindings);
}

bool SVGViewElement::is_presentational_hint(FlyString const& name) const
{
    if (Base::is_presentational_hint(name))
        return true;

    return first_is_one_of(name,
        SVG::AttributeNames::viewBox,
        SVG::AttributeNames::preserveAspectRatio);
}

void SVGViewElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
{
    Base::apply_presentational_hints(cascaded_properties);
    auto parsing_context = CSS::Parser::ParsingParams { document(), CSS::Parser::ParsingMode::SVGPresentationAttribute };
}

void SVGViewElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_)
{
    Base::attribute_changed(name, old_value, value, namespace_);

    if (name.equals_ignoring_ascii_case(SVG::AttributeNames::viewBox)) {
        if (!value.has_value()) {
            m_view_box_for_bindings->set_nulled(true);
        } else {
            m_view_box = try_parse_view_box(value.value_or(String {}));
            m_view_box_for_bindings->set_nulled(!m_view_box.has_value());
            if (m_view_box.has_value()) {
                m_view_box_for_bindings->set_base_val(Gfx::DoubleRect { m_view_box->min_x, m_view_box->min_y, m_view_box->width, m_view_box->height });
                m_view_box_for_bindings->set_anim_val(Gfx::DoubleRect { m_view_box->min_x, m_view_box->min_y, m_view_box->width, m_view_box->height });
            }
        }
    }
    if (name.equals_ignoring_ascii_case(SVG::AttributeNames::preserveAspectRatio))
        m_preserve_aspect_ratio = AttributeParser::parse_preserve_aspect_ratio(value.value_or(String {}));
}

}