/*

 * Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>

 *

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

 */

#include <LibJS/Heap/Heap.h>

#include <LibJS/Runtime/Realm.h>

#include <LibWeb/Bindings/Intrinsics.h>

#include <LibWeb/Bindings/NavigationDestinationPrototype.h>

#include <LibWeb/HTML/NavigationDestination.h>

#include <LibWeb/HTML/NavigationHistoryEntry.h>

namespace Web::HTML {

JS_DEFINE_ALLOCATOR(NavigationDestination);

JS::NonnullGCPtr<NavigationDestination> NavigationDestination::create(JS::Realm& realm)

{

    return realm.heap().allocate<NavigationDestination>(realm, realm);

}

NavigationDestination::NavigationDestination(JS::Realm& realm)

    : Bindings::PlatformObject(realm)

{

}

NavigationDestination::~NavigationDestination() = default;

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

{

    Base::initialize(realm);

    WEB_SET_PROTOTYPE_FOR_INTERFACE(NavigationDestination);

}

void NavigationDestination::visit_edges(JS::Cell::Visitor& visitor)

{

    Base::visit_edges(visitor);

    visitor.visit(m_entry);

}

// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-navigationdestination-url

WebIDL::ExceptionOr<String> NavigationDestination::url() const

{

    // The url getter steps are to return this's URL, serialized.

    return TRY_OR_THROW_OOM(vm(), String::from_byte_string(m_url.serialize()));

}

// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-navigationdestination-key

String NavigationDestination::key() const

{

    // The key getter steps are:

    // 1. If this's entry is null, then return the empty string.

    // 2. Return this's entry's key.

    return (m_entry == nullptr) ? String {} : m_entry->key();

}

// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-navigationdestination-id

String NavigationDestination::id() const

{

    // The id getter steps are:

    // 1. If this's entry is null, then return the empty string.

    // 2. Return this's entry's ID.

    return (m_entry == nullptr) ? String {} : m_entry->id();

}

// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-navigationdestination-index

i64 NavigationDestination::index() const

{

    // The index getter steps are:

    // 1. If this's entry is null, then return -1.

    // 2. Return this's entry's index.

    return (m_entry == nullptr) ? -1 : m_entry->index();

}

// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-navigationdestination-samedocument

bool NavigationDestination::same_document() const

{

    // The sameDocument getter steps are to return this's is same document.

    return m_is_same_document;

}

// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-navigationdestination-getstate

WebIDL::ExceptionOr<JS::Value> NavigationDestination::get_state()

{

    // The getState() method steps are to return StructuredDeserialize(this's state).

    return structured_deserialize(vm(), m_state, realm(), {});

}

}