/*
 * This file is part of the Flowee project
 * Copyright (C) 2009-2010 Satoshi Nakamoto
 * Copyright (C) 2009-2015 The Bitcoin Core developers
 * Copyright (C) 2025 Tom Zander
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "utiltime.h"

#include <boost/date_time/posix_time/posix_time.hpp>
#include <thread>
#include <cassert>
#include <locale>
#include <sstream>

static int64_t nMockTime = 0;  //! For unit testing

int64_t GetTime()
{
    if (nMockTime) return nMockTime;

    time_t now = time(NULL);
    assert(now > 0);
    return now;
}

void SetMockTime(int64_t nMockTimeIn)
{
    nMockTime = nMockTimeIn;
}

int64_t GetTimeMillis()
{
    auto now = std::chrono::system_clock::now();
    auto sinceEpoch = now.time_since_epoch();
    return std::chrono::duration_cast<std::chrono::milliseconds>(sinceEpoch).count();
}

int64_t GetTimeMicros()
{
    auto now = std::chrono::system_clock::now();
    auto sinceEpoch = now.time_since_epoch();
    return std::chrono::duration_cast<std::chrono::microseconds>(sinceEpoch).count();
}

void MilliSleep(int64_t n)
{
    std::this_thread::sleep_for(std::chrono::milliseconds(n));
}

std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
{
    // std::locale takes ownership of the pointer
    std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
    std::stringstream ss;
    ss.imbue(loc);
    ss << boost::posix_time::from_time_t(nTime);
    return ss.str();
}