/*
 *
 *    Copyright (c) 2021 Project CHIP Authors
 *    All rights reserved.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

#if defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE
#include "AppTask.h"
#endif // defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE
#include "PigweedLoggerMutex.h"
#include "pigweed/RpcService.h"
#include "pw_sys_io_nrfconnect/init.h"
#include <zephyr/logging/log.h>

#include <zephyr/kernel.h>

LOG_MODULE_DECLARE(app, CONFIG_CHIP_APP_LOG_LEVEL);

#if defined(PW_RPC_ATTRIBUTE_SERVICE) && PW_RPC_ATTRIBUTE_SERVICE
#include "pigweed/rpc_services/Attributes.h"
#endif // defined(PW_RPC_ATTRIBUTE_SERVICE) && PW_RPC_ATTRIBUTE_SERVICE

#if defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE
#include "pigweed/rpc_services/Button.h"
#endif // defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE

#if defined(PW_RPC_DESCRIPTOR_SERVICE) && PW_RPC_DESCRIPTOR_SERVICE
#include "pigweed/rpc_services/Descriptor.h"
#endif // defined(PW_RPC_DESCRIPTOR_SERVICE) && PW_RPC_DESCRIPTOR_SERVICE

#if defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE
#include "pigweed/rpc_services/Device.h"
#endif // defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE

#if defined(PW_RPC_LIGHTING_SERVICE) && PW_RPC_LIGHTING_SERVICE
#include "pigweed/rpc_services/Lighting.h"
#endif // defined(PW_RPC_LIGHTING_SERVICE) && PW_RPC_LIGHTING_SERVICE

#if defined(PW_RPC_LOCKING_SERVICE) && PW_RPC_LOCKING_SERVICE
#include "pigweed/rpc_services/Locking.h"
#endif // defined(PW_RPC_LOCKING_SERVICE) && PW_RPC_LOCKING_SERVICE

#if defined(PW_RPC_OTCLI_SERVICE) && PW_RPC_OTCLI_SERVICE
#include "pigweed/rpc_services/OtCli.h"
#endif // defined(PW_RPC_OTCLI_SERVICE) && PW_RPC_OTCLI_SERVICE

#if defined(PW_RPC_THREAD_SERVICE) && PW_RPC_THREAD_SERVICE
#include "pigweed/rpc_services/Thread.h"
#endif // defined(PW_RPC_THREAD_SERVICE) && PW_RPC_THREAD_SERVICE

#if defined(PW_RPC_TRACING_SERVICE) && PW_RPC_TRACING_SERVICE
#define PW_TRACE_BUFFER_SIZE_BYTES 1024
#include "pw_trace/trace.h"
#include "pw_trace_tokenized/trace_rpc_service_nanopb.h"

// Define trace time for pw_trace
PW_TRACE_TIME_TYPE pw_trace_GetTraceTime()
{
    return (PW_TRACE_TIME_TYPE) chip::System::SystemClock().GetMonotonicMicroseconds64().count();
}
// Microsecond time source
size_t pw_trace_GetTraceTimeTicksPerSecond()
{
    return 1000000;
}

#endif // defined(PW_RPC_TRACING_SERVICE) && PW_RPC_TRACING_SERVICE

namespace chip {
namespace rpc {

#if defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE
namespace {

void reboot_timer_handler(struct k_timer * dummy)
{
    NVIC_SystemReset();
}
K_TIMER_DEFINE(reboot_timer, reboot_timer_handler, NULL);

} // namespace

class NrfDevice final : public Device
{
public:
    pw::Status Reboot(const pw_protobuf_Empty & request, pw_protobuf_Empty & response) override
    {
        k_timer_start(&reboot_timer, K_SECONDS(1), K_FOREVER);
        return pw::OkStatus();
    }
};
#endif // defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE

#if defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE
class NrfButton final : public Button
{
public:
    pw::Status Event(const chip_rpc_ButtonEvent & request, pw_protobuf_Empty & response) override
    {
        AppTask::Instance().ButtonEventHandler(request.pushed << request.idx /* button_state */,
                                               1 << request.idx /* has_changed */);
        return pw::OkStatus();
    }
};
#endif // defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE

namespace {

constexpr size_t kRpcTaskSize = 5120;
constexpr int kRpcPriority    = 5;

K_THREAD_STACK_DEFINE(rpc_stack_area, kRpcTaskSize);
struct k_thread rpc_thread_data;

#if defined(PW_RPC_ATTRIBUTE_SERVICE) && PW_RPC_ATTRIBUTE_SERVICE
Attributes attributes_service;
#endif // defined(PW_RPC_ATTRIBUTE_SERVICE) && PW_RPC_ATTRIBUTE_SERVICE

#if defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE
NrfButton button_service;
#endif // defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE

#if defined(PW_RPC_DESCRIPTOR_SERVICE) && PW_RPC_DESCRIPTOR_SERVICE
Descriptor descriptor_service;
#endif // defined(PW_RPC_DESCRIPTOR_SERVICE) && PW_RPC_DESCRIPTOR_SERVICE

#if defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE
NrfDevice device_service;
#endif // defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE

#if defined(PW_RPC_LIGHTING_SERVICE) && PW_RPC_LIGHTING_SERVICE
Lighting lighting_service;
#endif // defined(PW_RPC_LIGHTING_SERVICE) && PW_RPC_LIGHTING_SERVICE

#if defined(PW_RPC_LOCKING_SERVICE) && PW_RPC_LOCKING_SERVICE
Locking locking;
#endif // defined(PW_RPC_LOCKING_SERVICE) && PW_RPC_LOCKING_SERVICE

#if defined(PW_RPC_OTCLI_SERVICE) && PW_RPC_OTCLI_SERVICE
OtCli ot_cli_service;
#endif // defined(PW_RPC_OTCLI_SERVICE) && PW_RPC_OTCLI_SERVICE

#if defined(PW_RPC_THREAD_SERVICE) && PW_RPC_THREAD_SERVICE
Thread thread;
#endif // defined(PW_RPC_THREAD_SERVICE) && PW_RPC_THREAD_SERVICE

#if defined(PW_RPC_TRACING_SERVICE) && PW_RPC_TRACING_SERVICE
pw::trace::TraceService trace_service;
#endif // defined(PW_RPC_TRACING_SERVICE) && PW_RPC_TRACING_SERVICE

void RegisterServices(pw::rpc::Server & server)
{
#if defined(PW_RPC_ATTRIBUTE_SERVICE) && PW_RPC_ATTRIBUTE_SERVICE
    server.RegisterService(attributes_service);
#endif // defined(PW_RPC_ATTRIBUTE_SERVICE) && PW_RPC_ATTRIBUTE_SERVICE

#if defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE
    server.RegisterService(button_service);
#endif // defined(PW_RPC_BUTTON_SERVICE) && PW_RPC_BUTTON_SERVICE

#if defined(PW_RPC_DESCRIPTOR_SERVICE) && PW_RPC_DESCRIPTOR_SERVICE
    server.RegisterService(descriptor_service);
#endif // defined(PW_RPC_DESCRIPTOR_SERVICE) && PW_RPC_DESCRIPTOR_SERVICE

#if defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE
    server.RegisterService(device_service);
#endif // defined(PW_RPC_DEVICE_SERVICE) && PW_RPC_DEVICE_SERVICE

#if defined(PW_RPC_LIGHTING_SERVICE) && PW_RPC_LIGHTING_SERVICE
    server.RegisterService(lighting_service);
#endif // defined(PW_RPC_LIGHTING_SERVICE) && PW_RPC_LIGHTING_SERVICE

#if defined(PW_RPC_LOCKING_SERVICE) && PW_RPC_LOCKING_SERVICE
    server.RegisterService(locking);
#endif // defined(PW_RPC_LOCKING_SERVICE) && PW_RPC_LOCKING_SERVICE

#if defined(PW_RPC_OTCLI_SERVICE) && PW_RPC_OTCLI_SERVICE
    server.RegisterService(ot_cli_service);
#endif // defined(PW_RPC_OTCLI_SERVICE) && PW_RPC_OTCLI_SERVICE

#if defined(PW_RPC_THREAD_SERVICE) && PW_RPC_THREAD_SERVICE
    server.RegisterService(thread);
#endif // defined(PW_RPC_THREAD_SERVICE) && PW_RPC_THREAD_SERVICE

#if defined(PW_RPC_TRACING_SERVICE) && PW_RPC_TRACING_SERVICE
    server.RegisterService(trace_service);
    PW_TRACE_SET_ENABLED(true);
#endif // defined(PW_RPC_TRACING_SERVICE) && PW_RPC_TRACING_SERVICE
}

} // namespace

void RunRpcService(void *, void *, void *)
{
    Start(RegisterServices, &logger_mutex);
}

k_tid_t Init()
{
    pw_sys_io_Init();
    k_tid_t tid = k_thread_create(&rpc_thread_data, rpc_stack_area, K_THREAD_STACK_SIZEOF(rpc_stack_area), RunRpcService, NULL,
                                  NULL, NULL, kRpcPriority, 0, K_NO_WAIT);
    return tid;
}

} // namespace rpc
} // namespace chip