/*
 * Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>

namespace Web::WebAudio {

// https://webaudio.github.io/web-audio-api/#ChannelMergerOptions
struct ConstantSourceOptions : AudioNodeOptions {
    float offset { 1.0f };
};

// https://webaudio.github.io/web-audio-api/#ChannelMergerNode
class ConstantSourceNode final : public AudioScheduledSourceNode {
    WEB_PLATFORM_OBJECT(ConstantSourceNode, AudioScheduledSourceNode);
    GC_DECLARE_ALLOCATOR(ConstantSourceNode);

public:
    virtual ~ConstantSourceNode() override;

    static WebIDL::ExceptionOr<GC::Ref<ConstantSourceNode>> create(JS::Realm&, GC::Ref<BaseAudioContext>, ConstantSourceOptions const& = {});
    static WebIDL::ExceptionOr<GC::Ref<ConstantSourceNode>> construct_impl(JS::Realm&, GC::Ref<BaseAudioContext>, ConstantSourceOptions const& = {});

    virtual WebIDL::UnsignedLong number_of_inputs() override { return 0; }
    virtual WebIDL::UnsignedLong number_of_outputs() override { return 1; }

    GC::Ref<AudioParam const> offset() const { return m_offset; }

private:
    ConstantSourceNode(JS::Realm&, GC::Ref<BaseAudioContext>, ConstantSourceOptions const&);

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

    // https://webaudio.github.io/web-audio-api/#dom-constantsourcenode-offset
    GC::Ref<AudioParam> m_offset;
};

}