/*

 * Copyright (c) 2020, the SerenityOS developers.

 * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>

 *

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

 */

#include <LibWeb/Bindings/HTMLTrackElementPrototype.h>

#include <LibWeb/Bindings/Intrinsics.h>

#include <LibWeb/DOM/Document.h>

#include <LibWeb/HTML/HTMLTrackElement.h>

#include <LibWeb/HTML/TextTrack.h>

namespace Web::HTML {

JS_DEFINE_ALLOCATOR(HTMLTrackElement);

HTMLTrackElement::HTMLTrackElement(DOM::Document& document, DOM::QualifiedName qualified_name)

    : HTMLElement(document, move(qualified_name))

{

    m_track = TextTrack::create(document.realm());

}

HTMLTrackElement::~HTMLTrackElement() = default;

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

{

    Base::initialize(realm);

    WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLTrackElement);

}

void HTMLTrackElement::visit_edges(Cell::Visitor& visitor)

{

    Base::visit_edges(visitor);

    visitor.visit(m_track);

}

void HTMLTrackElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value)

{

    HTMLElement::attribute_changed(name, old_value, value);

    // https://html.spec.whatwg.org/multipage/media.html#sourcing-out-of-band-text-tracks

    // As the kind, label, and srclang attributes are set, changed, or removed, the text track must update accordingly, as per the definitions above.

    if (name.equals_ignoring_ascii_case("kind"sv)) {

        m_track->set_kind(text_track_kind_from_string(value.value_or({})));

    } else if (name.equals_ignoring_ascii_case("label"sv)) {

        m_track->set_label(value.value_or({}));

    } else if (name.equals_ignoring_ascii_case("srclang"sv)) {

        m_track->set_language(value.value_or({}));

    }

    // https://html.spec.whatwg.org/multipage/media.html#dom-texttrack-id

    // For tracks that correspond to track elements, the track's identifier is the value of the element's id attribute, if any.

    if (name.equals_ignoring_ascii_case("id"sv)) {

        m_track->set_id(value.value_or({}));

    }

}

// https://html.spec.whatwg.org/multipage/media.html#dom-track-readystate

WebIDL::UnsignedShort HTMLTrackElement::ready_state()

{

    // The readyState attribute must return the numeric value corresponding to the text track readiness state of the track element's text track, as defined by the following list:

    switch (m_track->readiness_state()) {

    case TextTrack::ReadinessState::NotLoaded:

        // NONE (numeric value 0)

        //    The text track not loaded state.

        return 0;

    case TextTrack::ReadinessState::Loading:

        // LOADING (numeric value 1)

        //    The text track loading state.

        return 1;

    case TextTrack::ReadinessState::Loaded:

        // LOADED (numeric value 2)

        //    The text track loaded state.

        return 2;

    case TextTrack::ReadinessState::FailedToLoad:

        // ERROR (numeric value 3)

        //    The text track failed to load state.

        return 3;

    }

    VERIFY_NOT_REACHED();

}

}