/*

 * Copyright (c) 2024, Bar Yemini <bar.ye651@gmail.com>

 *

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

 */

#pragma once

#include <LibWeb/Bindings/AudioBufferSourceNodePrototype.h>

#include <LibWeb/WebAudio/AudioBuffer.h>

#include <LibWeb/WebAudio/AudioParam.h>

#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>

namespace Web::WebAudio {

// https://webaudio.github.io/web-audio-api/#AudioBufferSourceOptions

struct AudioBufferSourceOptions {

    JS::GCPtr<AudioBuffer> buffer;

    float detune { 0 };

    bool loop { false };

    double loop_end { 0 };

    double loop_start { 0 };

    float playback_rate { 1 };

};

// https://webaudio.github.io/web-audio-api/#AudioBufferSourceNode

class AudioBufferSourceNode : public AudioScheduledSourceNode {

    WEB_PLATFORM_OBJECT(AudioBufferSourceNode, AudioScheduledSourceNode);

    JS_DECLARE_ALLOCATOR(AudioBufferSourceNode);

public:

    virtual ~AudioBufferSourceNode() override;

    WebIDL::ExceptionOr<void> set_buffer(JS::GCPtr<AudioBuffer>);

    JS::GCPtr<AudioBuffer> buffer() const;

    JS::NonnullGCPtr<AudioParam> playback_rate() const;

    JS::NonnullGCPtr<AudioParam> detune() const;

    WebIDL::ExceptionOr<void> set_loop(bool);

    bool loop() const;

    WebIDL::ExceptionOr<void> set_loop_start(double);

    double loop_start() const;

    WebIDL::ExceptionOr<void> set_loop_end(double);

    double loop_end() const;

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

    WebIDL::UnsignedLong number_of_outputs() override { return 2; }

    WebIDL::ExceptionOr<void> start(Optional<double>, Optional<double>, Optional<double>);

    static WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> create(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});

    static WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> construct_impl(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});

protected:

    AudioBufferSourceNode(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});

    virtual void initialize(JS::Realm&) override;

    virtual void visit_edges(Cell::Visitor&) override;

private:

    JS::GCPtr<AudioBuffer> m_buffer;

    JS::NonnullGCPtr<AudioParam> m_playback_rate;

    JS::NonnullGCPtr<AudioParam> m_detune;

    bool m_loop { false };

    double m_loop_start { 0.0 };

    double m_loop_end { 0.0 };

};

}