/*
 *
 *    Copyright (c) 2021 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.
 */

/**
 *    @file
 *          Provides an implementation of the DiagnosticDataProvider object
 *          for k32w0 platform.
 */

#include <platform/internal/CHIPDeviceLayerInternal.h>

#include <DiagnosticDataProviderImpl.h>
#include <crypto/CHIPCryptoPAL.h>

#include <lwip/tcpip.h>

extern "C" {
#include <bl602_hal/bl_sys.h>
#include <bl_efuse.h>
#include <bl_main.h>
#include <wifi_mgmr.h>
#include <wifi_mgmr_ext.h>
}

extern uint8_t _heap_size;

namespace chip {
namespace DeviceLayer {

uint8_t MapAuthModeToSecurityType(int authmode)
{
    switch (authmode)
    {
    case WIFI_EVENT_BEACON_IND_AUTH_OPEN:
        return 1;
    case WIFI_EVENT_BEACON_IND_AUTH_WEP:
        return 2;
    case WIFI_EVENT_BEACON_IND_AUTH_WPA_PSK:
        return 3;
    case WIFI_EVENT_BEACON_IND_AUTH_WPA2_PSK:
        return 4;
    case WIFI_EVENT_BEACON_IND_AUTH_WPA3_SAE:
        return 5;
    default:
        return 0;
    }
}

DiagnosticDataProviderImpl & DiagnosticDataProviderImpl::GetDefaultInstance()
{
    static DiagnosticDataProviderImpl sInstance;
    return sInstance;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapFree(uint64_t & currentHeapFree)
{
    size_t freeHeapSize;

    freeHeapSize    = xPortGetFreeHeapSize();
    currentHeapFree = static_cast<uint64_t>(freeHeapSize);
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapUsed(uint64_t & currentHeapUsed)
{
    currentHeapUsed = _heap_size - xPortGetFreeHeapSize();

    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetCurrentHeapHighWatermark(uint64_t & currentHeapHighWatermark)
{
    currentHeapHighWatermark = _heap_size - xPortGetMinimumEverFreeHeapSize();

    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetRebootCount(uint16_t & rebootCount)
{
    uint32_t count = 0;

    CHIP_ERROR err = ConfigurationMgr().GetRebootCount(count);

    if (err == CHIP_NO_ERROR)
    {
        VerifyOrReturnError(count <= UINT16_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
        rebootCount = static_cast<uint16_t>(count);
    }

    return err;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetUpTime(uint64_t & upTime)
{
    System::Clock::Timestamp currentTime = System::SystemClock().GetMonotonicTimestamp();
    System::Clock::Timestamp startTime   = PlatformMgrImpl().GetStartTime();

    if (currentTime >= startTime)
    {
        upTime = std::chrono::duration_cast<System::Clock::Seconds64>(currentTime - startTime).count();
        return CHIP_NO_ERROR;
    }

    return CHIP_ERROR_INVALID_TIME;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetTotalOperationalHours(uint32_t & totalOperationalHours)
{
    uint64_t upTime = 0;

    if (GetUpTime(upTime) == CHIP_NO_ERROR)
    {
        uint32_t totalHours = 0;
        if (ConfigurationMgr().GetTotalOperationalHours(totalHours) == CHIP_NO_ERROR)
        {
            VerifyOrReturnError(upTime / 3600 <= UINT32_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
            totalOperationalHours = totalHours + static_cast<uint32_t>(upTime / 3600);
            return CHIP_NO_ERROR;
        }
    }

    return CHIP_ERROR_INVALID_TIME;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetBootReason(BootReasonType & bootReason)
{
    BL_RST_REASON_E BL_RST_REASON = bl_sys_rstinfo_get();

    bootReason = BootReasonType::kUnspecified;

    if (BL_RST_REASON == BL_RST_POWER_OFF)
    {
        bootReason = BootReasonType::kPowerOnReboot;
    }
    else if (BL_RST_REASON == BL_RST_HARDWARE_WATCHDOG)
    {
        bootReason = BootReasonType::kHardwareWatchdogReset;
    }
    else if (BL_RST_REASON == BL_RST_SOFTWARE_WATCHDOG)
    {
        bootReason = BootReasonType::kSoftwareWatchdogReset;
    }
    else if (BL_RST_REASON == BL_RST_SOFTWARE)
    {
        bootReason = BootReasonType::kSoftwareReset;
    }

    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetNetworkInterfaces(NetworkInterface ** netifpp)
{
    NetworkInterface * ifp = new NetworkInterface();
    struct netif * netif;
    uint8_t mac_addr[6];

    netif = wifi_mgmr_sta_netif_get();
    if (netif)
    {
        strncpy(ifp->Name, netif->name, Inet::InterfaceId::kMaxIfNameLength);
        ifp->Name[Inet::InterfaceId::kMaxIfNameLength - 1] = '\0';
        ifp->name                                          = CharSpan::fromCharString(ifp->Name);
        ifp->isOperational                                 = true;
        ifp->type                                          = EMBER_ZCL_INTERFACE_TYPE_WI_FI;
        ifp->offPremiseServicesReachableIPv4.SetNull();
        ifp->offPremiseServicesReachableIPv6.SetNull();
        bl_efuse_read_mac(mac_addr);
        memcpy(ifp->MacAddress, mac_addr, sizeof(mac_addr));
    }

    return CHIP_NO_ERROR;
}

void DiagnosticDataProviderImpl::ReleaseNetworkInterfaces(NetworkInterface * netifp)
{
    while (netifp)
    {
        NetworkInterface * del = netifp;
        netifp                 = netifp->Next;
        delete del;
    }
}

DiagnosticDataProvider & GetDiagnosticDataProviderImpl()
{
    return DiagnosticDataProviderImpl::GetDefaultInstance();
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiBssId(ByteSpan & BssId)
{
    static uint8_t macAddress[kMaxHardwareAddrSize];

    wifi_mgmr_get_bssid(macAddress);
    BssId = ByteSpan(macAddress, 6);

    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiSecurityType(uint8_t & securityType)
{
    int authmode;

    authmode     = mgmr_get_security_type();
    securityType = MapAuthModeToSecurityType(authmode);
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiVersion(uint8_t & wifiVersion)
{
    wifiVersion = 0;
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiChannelNumber(uint16_t & channelNumber)
{
    channelNumber = 0;

    channelNumber = mgmr_get_current_channel_num();

    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiRssi(int8_t & rssi)
{
    rssi = mgmr_get_rssi();

    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiBeaconLostCount(uint32_t & beaconLostCount)
{
    beaconLostCount = wifi_mgmr_beacon_loss_cnt();
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiCurrentMaxRate(uint64_t & currentMaxRate)
{
    currentMaxRate = 0;
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketMulticastRxCount(uint32_t & packetMulticastRxCount)
{
    packetMulticastRxCount = wifi_mgmr_tx_multicast_cnt_get();
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketMulticastTxCount(uint32_t & packetMulticastTxCount)
{
    packetMulticastTxCount = wifi_mgmr_tx_multicast_cnt_get();
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketUnicastRxCount(uint32_t & packetUnicastRxCount)
{
    packetUnicastRxCount = wifi_mgmr_rx_unicast_cnt_get();
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiPacketUnicastTxCount(uint32_t & packetUnicastTxCount)
{
    packetUnicastTxCount = wifi_mgmr_tx_unicast_cnt_get();
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiOverrunCount(uint64_t & overrunCount)
{
    overrunCount = 0;
    return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
}

CHIP_ERROR DiagnosticDataProviderImpl::ResetWiFiNetworkDiagnosticsCounts()
{
    return CHIP_NO_ERROR;
}

CHIP_ERROR DiagnosticDataProviderImpl::GetWiFiBeaconRxCount(uint32_t & beaconRxCount)
{
    beaconRxCount = wifi_mgmr_beacon_recv_cnt();
    return CHIP_NO_ERROR;
}

} // namespace DeviceLayer
} // namespace chip