/*

 * Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>

 *

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

 */

#include <LibWeb/Bindings/Intrinsics.h>

#include <LibWeb/HTML/EventNames.h>

#include <LibWeb/HTML/Window.h>

#include <LibWeb/WebAudio/OfflineAudioContext.h>

namespace Web::WebAudio {

JS_DEFINE_ALLOCATOR(OfflineAudioContext);

WebIDL::ExceptionOr<JS::NonnullGCPtr<OfflineAudioContext>> OfflineAudioContext::construct_impl(JS::Realm& realm, OfflineAudioContextOptions const& context_options)

{

    return construct_impl(realm, context_options.number_of_channels, context_options.length, context_options.sample_rate);

}

// https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-offlineaudiocontext-numberofchannels-length-samplerate

WebIDL::ExceptionOr<JS::NonnullGCPtr<OfflineAudioContext>> OfflineAudioContext::construct_impl(JS::Realm& realm,

    WebIDL::UnsignedLong number_of_channels, WebIDL::UnsignedLong length, float sample_rate)

{

    // The OfflineAudioContext can be constructed with the same arguments as AudioContext.createBuffer.

    // A NotSupportedError exception MUST be thrown if any of the arguments is negative, zero, or outside its nominal range.

    TRY(verify_audio_options_inside_nominal_range(realm, number_of_channels, length, sample_rate));

    return realm.heap().allocate<OfflineAudioContext>(realm, realm, number_of_channels, length, sample_rate);

}

OfflineAudioContext::~OfflineAudioContext() = default;

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

WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> OfflineAudioContext::start_rendering()

{

    return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::start_rendering"_string);

}

WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> OfflineAudioContext::resume()

{

    return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::resume"_string);

}

WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> OfflineAudioContext::suspend(double suspend_time)

{

    (void)suspend_time;

    return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::suspend"_string);

}

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

WebIDL::UnsignedLong OfflineAudioContext::length() const

{

    // The size of the buffer in sample-frames. This is the same as the value of the length parameter for the constructor.

    return m_length;

}

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

JS::GCPtr<WebIDL::CallbackType> OfflineAudioContext::oncomplete()

{

    return event_handler_attribute(HTML::EventNames::complete);

}

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

void OfflineAudioContext::set_oncomplete(JS::GCPtr<WebIDL::CallbackType> value)

{

    set_event_handler_attribute(HTML::EventNames::complete, value);

}

OfflineAudioContext::OfflineAudioContext(JS::Realm& realm, OfflineAudioContextOptions const&)

    : BaseAudioContext(realm)

{

}

OfflineAudioContext::OfflineAudioContext(JS::Realm& realm, WebIDL::UnsignedLong number_of_channels, WebIDL::UnsignedLong length, float sample_rate)

    : BaseAudioContext(realm, sample_rate)

    , m_length(length)

{

    (void)number_of_channels;

}

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

{

    Base::initialize(realm);

    WEB_SET_PROTOTYPE_FOR_INTERFACE(OfflineAudioContext);

}

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

{

    Base::visit_edges(visitor);

}

}