/*
 * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <LibWeb/ARIA/Roles.h>
#include <LibWeb/HTML/HTMLElement.h>
#include <LibWeb/HTML/HTMLInputElement.h>

namespace Web::HTML {

class HTMLFormElement final : public HTMLElement {
    WEB_PLATFORM_OBJECT(HTMLFormElement, HTMLElement);

public:
    virtual ~HTMLFormElement() override;

    DeprecatedString action() const;
    DeprecatedString method() const { return attribute(HTML::AttributeNames::method); }

    void submit_form(JS::GCPtr<HTMLElement> submitter, bool from_submit_binding = false);

    void reset_form();

    // NOTE: This is for the JS bindings. Use submit_form instead.
    void submit();

    // NOTE: This is for the JS bindings. Use submit_form instead.
    void reset();

    void add_associated_element(Badge<FormAssociatedElement>, HTMLElement&);
    void remove_associated_element(Badge<FormAssociatedElement>, HTMLElement&);

    JS::NonnullGCPtr<DOM::HTMLCollection> elements() const;
    unsigned length() const;

    // https://www.w3.org/TR/html-aria/#el-form
    virtual Optional<ARIA::Role> default_role() const override { return ARIA::Role::form; }

private:
    HTMLFormElement(DOM::Document&, DOM::QualifiedName);

    virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
    virtual void visit_edges(Cell::Visitor&) override;

    bool m_firing_submission_events { false };

    // https://html.spec.whatwg.org/multipage/forms.html#locked-for-reset
    bool m_locked_for_reset { false };

    Vector<JS::GCPtr<HTMLElement>> m_associated_elements;

    JS::GCPtr<DOM::HTMLCollection> mutable m_elements;
};

}