/*
 *
 *    Copyright (c) 2020 Project CHIP Authors
 *
 *    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.
 */

#include "DeviceCallbacks.h"
#include "esp_heap_caps_init.h"
#include "esp_log.h"
#include "esp_netif.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "nvs_flash.h"
#include <app/server/Server.h>
#include <common/CHIPDeviceManager.h>
#include <common/Esp32AppServer.h>
#include <credentials/DeviceAttestationCredsProvider.h>
#include <credentials/examples/DeviceAttestationCredsExample.h>
#include <platform/ESP32/ESP32Utils.h>

#include <cmath>
#include <cstdio>
#include <string>
#include <vector>

#if CONFIG_ENABLE_PW_RPC
#include "Rpc.h"
#endif

#if CONFIG_ENABLE_ESP32_FACTORY_DATA_PROVIDER
#include <platform/ESP32/ESP32FactoryDataProvider.h>
#endif // CONFIG_ENABLE_ESP32_FACTORY_DATA_PROVIDER

#if CONFIG_ENABLE_ESP32_DEVICE_INFO_PROVIDER
#include <platform/ESP32/ESP32DeviceInfoProvider.h>
#else
#include <DeviceInfoProviderImpl.h>
#endif // CONFIG_ENABLE_ESP32_DEVICE_INFO_PROVIDER

namespace {
#if CONFIG_ENABLE_ESP32_FACTORY_DATA_PROVIDER
chip::DeviceLayer::ESP32FactoryDataProvider sFactoryDataProvider;
#endif // CONFIG_ENABLE_ESP32_FACTORY_DATA_PROVIDER

#if CONFIG_ENABLE_ESP32_DEVICE_INFO_PROVIDER
chip::DeviceLayer::ESP32DeviceInfoProvider gExampleDeviceInfoProvider;
#else
chip::DeviceLayer::DeviceInfoProviderImpl gExampleDeviceInfoProvider;
#endif // CONFIG_ENABLE_ESP32_DEVICE_INFO_PROVIDER
} // namespace

using namespace ::chip;
using namespace ::chip::DeviceManager;
using namespace ::chip::Credentials;

const char * TAG = "temperature-measurement-app";

static AppDeviceCallbacks EchoCallbacks;

static void InitServer(intptr_t context)
{
    Esp32AppServer::Init(); // Init ZCL Data Model and CHIP App Server AND Initialize device attestation config
}

extern "C" void app_main()
{
#if CONFIG_ENABLE_PW_RPC
    chip::rpc::Init();
#endif

    ESP_LOGI(TAG, "Temperature sensor!");

    // Initialize the ESP NVS layer.
    esp_err_t err = nvs_flash_init();
    if (err != ESP_OK)
    {
        ESP_LOGE(TAG, "nvs_flash_init() failed: %s", esp_err_to_name(err));
        return;
    }
    err = esp_event_loop_create_default();
    if (err != ESP_OK)
    {
        ESP_LOGE(TAG, "esp_event_loop_create_default() failed: %s", esp_err_to_name(err));
        return;
    }

    DeviceLayer::SetDeviceInfoProvider(&gExampleDeviceInfoProvider);
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
    if (DeviceLayer::Internal::ESP32Utils::InitWiFiStack() != CHIP_NO_ERROR)
    {
        ESP_LOGE(TAG, "Failed to initialize the Wi-Fi stack");
        return;
    }
#endif

    CHIPDeviceManager & deviceMgr = CHIPDeviceManager::GetInstance();

    CHIP_ERROR error = deviceMgr.Init(&EchoCallbacks);
    if (error != CHIP_NO_ERROR)
    {
        ESP_LOGE(TAG, "device.Init() failed: %" CHIP_ERROR_FORMAT, error.Format());
        return;
    }

#if CONFIG_ENABLE_ESP32_FACTORY_DATA_PROVIDER
    SetCommissionableDataProvider(&sFactoryDataProvider);
    SetDeviceAttestationCredentialsProvider(&sFactoryDataProvider);
#if CONFIG_ENABLE_ESP32_DEVICE_INSTANCE_INFO_PROVIDER
    SetDeviceInstanceInfoProvider(&sFactoryDataProvider);
#endif
#else
    SetDeviceAttestationCredentialsProvider(Examples::GetExampleDACProvider());
#endif // CONFIG_ENABLE_ESP32_FACTORY_DATA_PROVIDER

    chip::DeviceLayer::PlatformMgr().ScheduleWork(InitServer, reinterpret_cast<intptr_t>(nullptr));
}