/*
 * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibWeb/Bindings/HTMLHeadingElementPrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/CSS/ComputedProperties.h>
#include <LibWeb/CSS/StyleValues/CSSKeywordValue.h>
#include <LibWeb/HTML/HTMLHeadingElement.h>

namespace Web::HTML {

GC_DEFINE_ALLOCATOR(HTMLHeadingElement);

HTMLHeadingElement::HTMLHeadingElement(DOM::Document& document, DOM::QualifiedName qualified_name)
    : HTMLElement(document, move(qualified_name))
{
}

HTMLHeadingElement::~HTMLHeadingElement() = default;

void HTMLHeadingElement::initialize(JS::Realm& realm)
{
    WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLHeadingElement);
    Base::initialize(realm);
}

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

    return name == HTML::AttributeNames::align;
}

// https://html.spec.whatwg.org/multipage/rendering.html#tables-2
void HTMLHeadingElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
{
    HTMLElement::apply_presentational_hints(cascaded_properties);
    for_each_attribute([&](auto& name, auto& value) {
        if (name.equals_ignoring_ascii_case("align"sv)) {
            if (value == "left"sv)
                cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::TextAlign, CSS::CSSKeywordValue::create(CSS::Keyword::Left));
            else if (value == "right"sv)
                cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::TextAlign, CSS::CSSKeywordValue::create(CSS::Keyword::Right));
            else if (value == "center"sv)
                cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::TextAlign, CSS::CSSKeywordValue::create(CSS::Keyword::Center));
            else if (value == "justify"sv)
                cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::TextAlign, CSS::CSSKeywordValue::create(CSS::Keyword::Justify));
        }
    });
}

}