/*
 * Copyright (C) 2010, 2013 Apple Inc. All rights reserved.
 * Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include "APIObject.h"
#include <ranges>
#include <wtf/Forward.h>
#include <wtf/RetainReleaseSwift.h>
#include <wtf/Vector.h>

namespace API {

class Array final : public ObjectImpl<Object::Type::Array> {
public:
    static Ref<Array> create();
    static Ref<Array> createWithCapacity(size_t);
    static Ref<Array> create(Vector<RefPtr<Object>>&&);
    static Ref<Array> createStringArray(const Vector<WTF::String>&);
    static Ref<Array> createStringArray(const std::span<const WTF::String>);
    Vector<WTF::String> toStringVector();
    Ref<Array> copy();

    template<typename T>
    T* at(size_t i) const
    {
        return dynamicDowncast<T>(m_elements[i].get());
    }

    Object* at(size_t i) const { return m_elements[i].get(); }
    RefPtr<Object> protectedAt(size_t i) const { return m_elements[i]; }

    size_t size() const { return m_elements.size(); }

    const Vector<RefPtr<Object>>& elements() const { return m_elements; }
    Vector<RefPtr<Object>>& elements() { return m_elements; }

    template<typename T>
    decltype(auto) elementsOfType() const
    {
        return m_elements
            | std::views::filter([](const auto& element) { return element->type() == T::APIType; })
            | std::views::transform([](const auto& element) { return downcast<T>(element); });
    }

    template<typename MatchFunction>
    unsigned removeAllMatching(const MatchFunction& matchFunction)
    {
        return m_elements.removeAllMatching(matchFunction);
    }

    template<typename T, typename MatchFunction>
    unsigned removeAllOfTypeMatching(NOESCAPE const MatchFunction& matchFunction)
    {
        return m_elements.removeAllMatching([&] (const RefPtr<Object>& object) -> bool {
            RefPtr objectAsT = dynamicDowncast<T>(*object);
            return objectAsT && matchFunction(objectAsT.releaseNonNull());
        });
    }

    void append(RefPtr<Object>&& element) { m_elements.append(WTF::move(element)); }

private:
    explicit Array(Vector<RefPtr<Object>>&& elements)
        : m_elements(WTF::move(elements))
    {
    }

    Vector<RefPtr<Object>> m_elements;
} SWIFT_SHARED_REFERENCE(refArray, derefArray);

} // namespace API

inline void refArray(API::Array* WTF_NONNULL obj)
{
    WTF::ref(obj);
}

inline void derefArray(API::Array* WTF_NONNULL obj)
{
    WTF::deref(obj);
}

SPECIALIZE_TYPE_TRAITS_API_OBJECT(Array);
