/*

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

 *

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

 */

#include <LibWeb/Bindings/AudioScheduledSourceNodePrototype.h>

#include <LibWeb/Bindings/Intrinsics.h>

#include <LibWeb/WebAudio/AudioBuffer.h>

#include <LibWeb/WebAudio/AudioBufferSourceNode.h>

#include <LibWeb/WebAudio/AudioParam.h>

#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>

namespace Web::WebAudio {

JS_DEFINE_ALLOCATOR(AudioBufferSourceNode);

AudioBufferSourceNode::AudioBufferSourceNode(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const& options)

    : AudioScheduledSourceNode(realm, context)

    , m_buffer(options.buffer)

    , m_playback_rate(AudioParam::create(realm, options.playback_rate, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))

    , m_detune(AudioParam::create(realm, options.detune, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))

    , m_loop(options.loop)

    , m_loop_start(options.loop_start)

    , m_loop_end(options.loop_end)

{

}

AudioBufferSourceNode::~AudioBufferSourceNode() = default;

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-buffer

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

{

    m_buffer = buffer;

    return {};

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-buffer

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

{

    return m_buffer;

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-playbackrate

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

{

    return m_playback_rate;

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-detune

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

{

    return m_detune;

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loop

WebIDL::ExceptionOr<void> AudioBufferSourceNode::set_loop(bool loop)

{

    m_loop = loop;

    return {};

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loop

bool AudioBufferSourceNode::loop() const

{

    return m_loop;

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopstart

WebIDL::ExceptionOr<void> AudioBufferSourceNode::set_loop_start(double loop_start)

{

    m_loop_start = loop_start;

    return {};

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopstart

double AudioBufferSourceNode::loop_start() const

{

    return m_loop_start;

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopend

WebIDL::ExceptionOr<void> AudioBufferSourceNode::set_loop_end(double loop_end)

{

    m_loop_end = loop_end;

    return {};

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopend

double AudioBufferSourceNode::loop_end() const

{

    return m_loop_end;

}

// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-start`

WebIDL::ExceptionOr<void> AudioBufferSourceNode::start(Optional<double> when, Optional<double> offset, Optional<double> duration)

{

    (void)when;

    (void)offset;

    (void)duration;

    dbgln("FIXME: Implement AudioBufferSourceNode::start(when, offset, duration)");

    return {};

}

WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> AudioBufferSourceNode::create(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const& options)

{

    return construct_impl(realm, context, options);

}

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

WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> AudioBufferSourceNode::construct_impl(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const& options)

{

    // When the constructor is called with a BaseAudioContext c and an option object option, the user agent

    // MUST initialize the AudioNode this, with context and options as arguments.

    auto node = realm.vm().heap().allocate<AudioBufferSourceNode>(realm, realm, context, options);

    return node;

}

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

{

    Base::initialize(realm);

    WEB_SET_PROTOTYPE_FOR_INTERFACE(AudioBufferSourceNode);

}

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

{

    Base::visit_edges(visitor);

    visitor.visit(m_buffer);

    visitor.visit(m_playback_rate);

    visitor.visit(m_detune);

}

}