/**
 * Copyright © 2018 IBM 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.
 */

#include "config.h"

#include "argument.hpp"
#include "certificate.hpp"
#include "certs_manager.hpp"

#include <iostream>
#include <locale>
#include <sdeventplus/event.hpp>
#include <string>

static void exitWithError(const char* err, char** argv)
{
    phosphor::certs::util::ArgumentParser::usage(argv);
    std::cerr << std::endl;
    std::cerr << "ERROR: " << err << std::endl;
    exit(EXIT_FAILURE);
}

inline std::string capitalize(const std::string& s)
{
    std::string res = s;
    if (!res.empty())
    {
        res[0] = std::toupper(res[0]);
    }
    return res;
}

int main(int argc, char** argv)
{
    // Read arguments.
    auto options = phosphor::certs::util::ArgumentParser(argc, argv);

    // Parse arguments
    const std::string& typeStr = (options)["typeStr"];
    phosphor::certs::CertificateType type =
        phosphor::certs::stringToCertificateType(typeStr);
    if (type == phosphor::certs::CertificateType::Unsupported)
    {
        exitWithError("type not specified or invalid.", argv);
    }

    const std::string& endpoint = (options)["endpoint"];
    if (endpoint == phosphor::certs::util::ArgumentParser::empty_string)
    {
        exitWithError("endpoint not specified.", argv);
    }

    const std::string& path = (options)["path"];
    if (path == phosphor::certs::util::ArgumentParser::empty_string)
    {
        exitWithError("path not specified.", argv);
    }

    // unit is an optional parameter
    const std::string& unit = (options)["unit"];
    auto bus = sdbusplus::bus::new_default();
    auto objPath =
        std::string(objectNamePrefix) + '/' + typeStr + '/' + endpoint;

    // Add sdbusplus ObjectManager
    sdbusplus::server::manager::manager objManager(bus, objPath.c_str());

    // Get default event loop
    auto event = sdeventplus::Event::get_default();

    // Attach the bus to sd_event to service user requests
    bus.attach_event(event.get(), SD_EVENT_PRIORITY_NORMAL);

    phosphor::certs::Manager manager(bus, event, objPath.c_str(), type, unit,
                                     path);

    // Adjusting Interface name as per std convention
    auto busName = std::string(busNamePrefix) + '.' + capitalize(typeStr) +
                   '.' + capitalize(endpoint);
    bus.request_name(busName.c_str());
    event.loop();
    return 0;
}