/*

 * Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>

 *

 * SPDX-License-Identifier: BSD-2-Clause

 */

#include <LibWeb/Bindings/CSSSupportsRulePrototype.h>

#include <LibWeb/Bindings/Intrinsics.h>

#include <LibWeb/CSS/CSSSupportsRule.h>

#include <LibWeb/CSS/Parser/Parser.h>

namespace Web::CSS {

JS_DEFINE_ALLOCATOR(CSSSupportsRule);

JS::NonnullGCPtr<CSSSupportsRule> CSSSupportsRule::create(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)

{

    return realm.heap().allocate<CSSSupportsRule>(realm, realm, move(supports), rules);

}

CSSSupportsRule::CSSSupportsRule(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)

    : CSSConditionRule(realm, rules)

    , m_supports(move(supports))

{

}

void CSSSupportsRule::initialize(JS::Realm& realm)

{

    Base::initialize(realm);

    WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSSupportsRule);

}

String CSSSupportsRule::condition_text() const

{

    return m_supports->to_string();

}

// https://www.w3.org/TR/cssom-1/#serialize-a-css-rule

String CSSSupportsRule::serialized() const

{

    // Note: The spec doesn't cover this yet, so I'm roughly following the spec for the @media rule.

    // It should be pretty close!

    StringBuilder builder;

    builder.append("@supports "sv);

    builder.append(condition_text());

    builder.append(" {\n"sv);

    for (size_t i = 0; i < css_rules().length(); i++) {

        auto rule = css_rules().item(i);

        if (i != 0)

            builder.append("\n"sv);

        builder.append("  "sv);

        builder.append(rule->css_text());

    }

    builder.append("\n}"sv);

    return MUST(builder.to_string());

}

}