// This file is generated by TypeBuilder_cpp.template.

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/ui_devtools/tracing.h"

#include "components/ui_devtools/protocol.h"

#include "third_party/inspector_protocol/crdtp/cbor.h"
#include "third_party/inspector_protocol/crdtp/find_by_first.h"
#include "third_party/inspector_protocol/crdtp/span.h"

namespace ui_devtools {
namespace protocol {
namespace Tracing {

using crdtp::DeserializerState;
using crdtp::FallthroughCallback;
using crdtp::ProtocolTypeTraits;

// ------------- Enum values from types.

const char Metainfo::domainName[] = "Tracing";
const char Metainfo::commandPrefix[] = "Tracing.";
const char Metainfo::version[] = "1.3";

// ------------- Enum values from params.


// ------------- Frontend notifications.

void Frontend::dataCollected(std::unique_ptr<protocol::Array<protocol::DictionaryValue>> value)
{
    if (!frontend_channel_)
        return;
    crdtp::ObjectSerializer serializer;
    serializer.AddField(crdtp::MakeSpan("value"), value);
    frontend_channel_->SendProtocolNotification(crdtp::CreateNotification("Tracing.dataCollected", serializer.Finish()));
}

void Frontend::tracingComplete(std::optional<bool> dataLossOccurred)
{
    if (!frontend_channel_)
        return;
    crdtp::ObjectSerializer serializer;
    serializer.AddField(crdtp::MakeSpan("dataLossOccurred"), dataLossOccurred);
    frontend_channel_->SendProtocolNotification(crdtp::CreateNotification("Tracing.tracingComplete", serializer.Finish()));
}

void Frontend::bufferUsage(std::optional<double> percentFull, std::optional<double> eventCount, std::optional<double> value)
{
    if (!frontend_channel_)
        return;
    crdtp::ObjectSerializer serializer;
    serializer.AddField(crdtp::MakeSpan("percentFull"), percentFull);
    serializer.AddField(crdtp::MakeSpan("eventCount"), eventCount);
    serializer.AddField(crdtp::MakeSpan("value"), value);
    frontend_channel_->SendProtocolNotification(crdtp::CreateNotification("Tracing.bufferUsage", serializer.Finish()));
}

void Frontend::flush()
{
    frontend_channel_->FlushProtocolNotifications();
}

void Frontend::sendRawNotification(std::unique_ptr<Serializable> notification)
{
    frontend_channel_->SendProtocolNotification(std::move(notification));
}

// --------------------- Dispatcher.

class DomainDispatcherImpl : public protocol::DomainDispatcher {
public:
    DomainDispatcherImpl(FrontendChannel* frontendChannel, Backend* backend)
        : DomainDispatcher(frontendChannel)
        , m_backend(backend) {}
    ~DomainDispatcherImpl() override { }

    using CallHandler = void (DomainDispatcherImpl::*)(crdtp::Dispatchable& dispatchable);

    bool Dispatch(crdtp::span<uint8_t> command_name, crdtp::Dispatchable& dispatchable) override;

    void start(crdtp::Dispatchable& dispatchable);
    void end(crdtp::Dispatchable& dispatchable);
    void disable(crdtp::Dispatchable& dispatchable);
    void enable(crdtp::Dispatchable& dispatchable);
 protected:
    Backend* m_backend;
};

namespace {
// This helper method with a static map of command methods (instance methods
// of DomainDispatcherImpl declared just above) by their name is used immediately below,
// in the DomainDispatcherImpl::Dispatch method.
DomainDispatcherImpl::CallHandler CommandByName(crdtp::span<uint8_t> command_name) {
  static auto* commands = [](){
    auto* commands = new std::vector<std::pair<crdtp::span<uint8_t>,
                              DomainDispatcherImpl::CallHandler>>{
    {
          crdtp::SpanFrom("disable"),
          &DomainDispatcherImpl::disable
    },
    {
          crdtp::SpanFrom("enable"),
          &DomainDispatcherImpl::enable
    },
    {
          crdtp::SpanFrom("end"),
          &DomainDispatcherImpl::end
    },
    {
          crdtp::SpanFrom("start"),
          &DomainDispatcherImpl::start
    },
    };
    return commands;
  }();
  return crdtp::FindByFirst<DomainDispatcherImpl::CallHandler>(*commands, command_name, nullptr);
}
}  // namespace

bool DomainDispatcherImpl::Dispatch(crdtp::span<uint8_t> command_name, crdtp::Dispatchable& dispatchable) {
  CallHandler handler = CommandByName(command_name);
  if (!handler) return false;

  (this->*handler)(dispatchable);
  return true;
}


class StartCallbackImpl : public Backend::StartCallback, public DomainDispatcher::Callback {
public:
    StartCallbackImpl(std::unique_ptr<DomainDispatcher::WeakPtr> backendImpl, crdtp::Dispatchable& dispatchable)
        : DomainDispatcher::Callback(std::move(backendImpl), dispatchable, crdtp::SpanFrom("Tracing.start")) { }

    void sendSuccess() override
    {
        crdtp::ObjectSerializer serializer;
        sendIfActive(serializer.Finish(), DispatchResponse::Success());
    }

    void fallThrough() override
    {
        fallThroughIfActive();
    }

    void sendFailure(const DispatchResponse& response) override
    {
        DCHECK(response.IsError());
        sendIfActive(nullptr, response);
    }
};

namespace {

struct startParams : public crdtp::DeserializableProtocolObject<startParams> {
    std::optional<String> categories;
    std::optional<String> options;
    std::optional<double> bufferUsageReportingInterval;
    DECLARE_DESERIALIZATION_SUPPORT();
};

CRDTP_BEGIN_DESERIALIZER(startParams)
    CRDTP_DESERIALIZE_FIELD_OPT("bufferUsageReportingInterval", bufferUsageReportingInterval),
    CRDTP_DESERIALIZE_FIELD_OPT("categories", categories),
    CRDTP_DESERIALIZE_FIELD_OPT("options", options),
CRDTP_END_DESERIALIZER()

}  // namespace

void DomainDispatcherImpl::start(crdtp::Dispatchable& dispatchable)
{
    // Prepare input parameters.
    auto deserializer = crdtp::DeferredMessage::FromSpan(dispatchable.Params())->MakeDeserializer();
    startParams params;
    if (!startParams::Deserialize(&deserializer, &params)) {
      ReportInvalidParams(dispatchable, deserializer);
      return;
    }

    m_backend->start(std::move(params.categories), std::move(params.options), std::move(params.bufferUsageReportingInterval), std::make_unique<StartCallbackImpl>(weakPtr(), dispatchable));
}

namespace {


}  // namespace

void DomainDispatcherImpl::end(crdtp::Dispatchable& dispatchable)
{
    // Prepare input parameters.

    std::unique_ptr<DomainDispatcher::WeakPtr> weak = weakPtr();
    DispatchResponse response = m_backend->end();
    if (response.IsFallThrough()) {
        dispatchable.DispatchFallThrough(response.Message());
        return;
    }
    if (weak->get())
        weak->get()->sendResponse(dispatchable.CallId(), response);
    return;
}

namespace {


}  // namespace

void DomainDispatcherImpl::disable(crdtp::Dispatchable& dispatchable)
{
    // Prepare input parameters.

    std::unique_ptr<DomainDispatcher::WeakPtr> weak = weakPtr();
    DispatchResponse response = m_backend->disable();
    if (response.IsFallThrough()) {
        dispatchable.DispatchFallThrough(response.Message());
        return;
    }
    if (weak->get())
        weak->get()->sendResponse(dispatchable.CallId(), response);
    return;
}

namespace {


}  // namespace

void DomainDispatcherImpl::enable(crdtp::Dispatchable& dispatchable)
{
    // Prepare input parameters.

    std::unique_ptr<DomainDispatcher::WeakPtr> weak = weakPtr();
    DispatchResponse response = m_backend->enable();
    if (response.IsFallThrough()) {
        dispatchable.DispatchFallThrough(response.Message());
        return;
    }
    if (weak->get())
        weak->get()->sendResponse(dispatchable.CallId(), response);
    return;
}

namespace {
// This helper method (with a static map of redirects) is used from Dispatcher::wire
// immediately below.
const std::vector<std::pair<crdtp::span<uint8_t>, crdtp::span<uint8_t>>>& SortedRedirects() {
  static auto* redirects = [](){
    auto* redirects = new std::vector<std::pair<crdtp::span<uint8_t>, crdtp::span<uint8_t>>>{
    };
    return redirects;
  }();
  return *redirects;
}
}  // namespace

// static
void Dispatcher::wire(UberDispatcher* uber, Backend* backend)
{
    auto dispatcher = std::make_unique<DomainDispatcherImpl>(uber->channel(), backend);
    uber->WireBackend(crdtp::SpanFrom("Tracing"), SortedRedirects(), std::move(dispatcher));
}

} // Tracing
} // namespace ui_devtools
} // namespace protocol