/*
 * Copyright (c)  2018 Intel Corporation.
 *
 * 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.
 */

#pragma once
#include "config.h"

#include <ipmid/api.hpp>
#include <sdbusplus/bus.hpp>

#include <iostream>

static constexpr bool debug = false;

using IanaType = std::array<uint8_t, 3>;
using flashSize = std::array<uint8_t, 4>;

static constexpr IanaType iana = {0x15, 0xA0, 0x0}; // Meta's IANA

static void instances(std::string s, std::vector<std::string>& host)
{
    size_t pos = 0;

    while ((pos = s.find(" ")) != std::string::npos)
    {
        host.push_back(s.substr(0, pos));
        s.erase(0, pos + 1);
    }
    host.push_back(s);
}

inline std::optional<size_t> findHost(size_t id)
{
    std::vector<std::string> hosts = {};

    if (hostInstances == "0")
    {
        return id;
    }

    instances(hostInstances, hosts);

    std::sort(hosts.begin(), hosts.end());

    /*  ctx host ID for host 1 is 0, host 2 is 1 ... host N is N-1
     *  Therefore, host Index is incremented to 1 to map with the dbus
     *  object path created.
     */
    std::string num = std::to_string(id + 1);

    auto instance = std::lower_bound(hosts.begin(), hosts.end(), num);

    if (instance != std::end(hosts))
    {
        return id + 1;
    }

    return std::nullopt;
}

inline static void printRegistration(unsigned int netfn, unsigned int cmd)
{
    if constexpr (debug)
    {
        std::cout << "Registering NetFn:[0x" << std::hex << std::uppercase
                  << netfn << "], Cmd:[0x" << cmd << "]\n";
    }
}

inline static void ipmiPrintAndRegister(
    ipmi_netfn_t netfn, ipmi_cmd_t cmd, ipmi_context_t context,
    ipmid_callback_t handler, ipmi_cmd_privilege_t priv)
{
    printRegistration(netfn, cmd);
    ipmi_register_callback(netfn, cmd, context, handler, priv);
}

inline static void printCommand(unsigned int netfn, unsigned int cmd)
{
    if constexpr (debug)
    {
        std::cout << "Executing NetFn:[0x" << std::hex << std::uppercase
                  << netfn << "], Cmd:[0x" << cmd << "]\n";
    }
}

std::optional<std::pair<uint8_t, uint8_t>> getMbFruDevice(void);

namespace ipmi
{
using DbusVariant = std::variant<std::string, bool, uint8_t, uint16_t, int16_t,
                                 uint32_t, int32_t, uint64_t, int64_t, double>;
} // namespace ipmi