// 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 "content/browser/devtools/protocol/tethering.h"

#include "content/browser/devtools/protocol/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 content {
namespace protocol {
namespace Tethering {

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

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

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

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


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

void Frontend::Accepted(int port, const String& connectionId)
{
    if (!frontend_channel_)
        return;
    crdtp::ObjectSerializer serializer;
    serializer.AddField(crdtp::MakeSpan("port"), port);
    serializer.AddField(crdtp::MakeSpan("connectionId"), connectionId);
    frontend_channel_->SendProtocolNotification(crdtp::CreateNotification("Tethering.accepted", 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 bind(crdtp::Dispatchable& dispatchable);
    void unbind(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("bind"),
          &DomainDispatcherImpl::bind
    },
    {
          crdtp::SpanFrom("unbind"),
          &DomainDispatcherImpl::unbind
    },
    };
    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 BindCallbackImpl : public Backend::BindCallback, public DomainDispatcher::Callback {
public:
    BindCallbackImpl(std::unique_ptr<DomainDispatcher::WeakPtr> backendImpl, crdtp::Dispatchable& dispatchable)
        : DomainDispatcher::Callback(std::move(backendImpl), dispatchable, crdtp::SpanFrom("Tethering.bind")) { }

    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 bindParams : public crdtp::DeserializableProtocolObject<bindParams> {
    int port;
    DECLARE_DESERIALIZATION_SUPPORT();
};

CRDTP_BEGIN_DESERIALIZER(bindParams)
    CRDTP_DESERIALIZE_FIELD("port", port),
CRDTP_END_DESERIALIZER()

}  // namespace

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

    m_backend->Bind(params.port, std::make_unique<BindCallbackImpl>(weakPtr(), dispatchable));
}

class UnbindCallbackImpl : public Backend::UnbindCallback, public DomainDispatcher::Callback {
public:
    UnbindCallbackImpl(std::unique_ptr<DomainDispatcher::WeakPtr> backendImpl, crdtp::Dispatchable& dispatchable)
        : DomainDispatcher::Callback(std::move(backendImpl), dispatchable, crdtp::SpanFrom("Tethering.unbind")) { }

    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 unbindParams : public crdtp::DeserializableProtocolObject<unbindParams> {
    int port;
    DECLARE_DESERIALIZATION_SUPPORT();
};

CRDTP_BEGIN_DESERIALIZER(unbindParams)
    CRDTP_DESERIALIZE_FIELD("port", port),
CRDTP_END_DESERIALIZER()

}  // namespace

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

    m_backend->Unbind(params.port, std::make_unique<UnbindCallbackImpl>(weakPtr(), dispatchable));
}

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("Tethering"), SortedRedirects(), std::move(dispatcher));
}

} // Tethering
} // namespace content
} // namespace protocol