/******************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Ultralite module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
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******************************************************************************/
#include "ColorsQueue.h"
#include <platform/platform.h>

Color ColorsQueue::at(int i) const
{
    return m_queue.at(i);
}

Color ColorsQueue::dequeue()
{
    assert(!isEmpty());
    Color c = m_queue.front();
    m_queue.pop_front();
    return c;
}

int ColorsQueue::size() const
{
    return m_queue.size();
}

bool ColorsQueue::isEmpty() const
{
    return m_queue.empty();
}

size_t getRandomColorId()
{
    auto platform = Qul::Platform::getPlatformInstance();
    return static_cast<int>(platform->rand() * 10) % 4;
}

void ColorsQueue::generateColors(int count)
{
    constexpr auto green = 0xff008000;
    constexpr auto blue = 0xff0000ff;
    constexpr auto red = 0xffff0000;
    constexpr auto yellow = 0xffffff00;
    constexpr uint colors[4] = {green, blue, red, yellow};

    reset();

    while (count-- > 0) {
        m_queue.emplace_back(colors[getRandomColorId()]);
    }
}

void ColorsQueue::reset()
{
    m_queue.clear();
}