/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include <oox/ppt/comments.hxx>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <rtl/math.h>
#include <rtl/math.hxx>
#include <o3tl/safeint.hxx>
#include <o3tl/string_view.hxx>

namespace oox::ppt
{
void CommentAuthorList::setValues(const CommentAuthorList& list)
{
    for (auto const& author : list.cmAuthorLst)
    {
        CommentAuthor commentAuthor;
        commentAuthor.clrIdx = author.clrIdx;
        commentAuthor.id = author.id;
        commentAuthor.initials = author.initials;
        commentAuthor.lastIdx = author.lastIdx;
        commentAuthor.name = author.name;
        cmAuthorLst.push_back(commentAuthor);
    }
}

//DateTime is saved as : 2013-01-10T15:53:26.000
void Comment::setDateTime(const OUString& sDateTime)
{
    sal_Int32 nIdx{ 0 };
    aDateTime.Year = o3tl::toInt32(o3tl::getToken(sDateTime, 0, '-', nIdx));
    aDateTime.Month = o3tl::toUInt32(o3tl::getToken(sDateTime, 0, '-', nIdx));
    aDateTime.Day = o3tl::toUInt32(o3tl::getToken(sDateTime, 0, 'T', nIdx));
    aDateTime.Hours = o3tl::toUInt32(o3tl::getToken(sDateTime, 0, ':', nIdx));
    aDateTime.Minutes = o3tl::toUInt32(o3tl::getToken(sDateTime, 0, ':', nIdx));
    double seconds = rtl_math_uStringToDouble(sDateTime.getStr() + nIdx,
                                              sDateTime.getStr() + sDateTime.getLength(), '.', 0,
                                              nullptr, nullptr);
    aDateTime.Seconds = floor(seconds);
    seconds -= aDateTime.Seconds;
    aDateTime.NanoSeconds = ::rtl::math::round(seconds * 1000000000);
    const int secondsOverflow = (aDateTime.Seconds == 60) ? 61 : 60;
    // normalise time part of aDateTime
    if (aDateTime.NanoSeconds == 1000000000)
    {
        aDateTime.NanoSeconds = 0;
        ++aDateTime.Seconds;
    }
    if (aDateTime.Seconds == secondsOverflow)
    {
        aDateTime.Seconds = 0;
        ++aDateTime.Minutes;
    }
    if (aDateTime.Minutes == 60)
    {
        aDateTime.Minutes = 0;
        ++aDateTime.Hours;
    }
    // if overflow goes into date, I give up
}

OUString Comment::getAuthor(const CommentAuthorList& list)
{
    const sal_Int32 nId = authorId.toInt32();
    for (auto const& author : list.cmAuthorLst)
    {
        if (author.id.toInt32() == nId)
            return author.name;
    }
    return u"Anonymous"_ustr;
}

OUString Comment::getInitials(const CommentAuthorList& list)
{
    const sal_Int32 nId = authorId.toInt32();
    for (auto const& author : list.cmAuthorLst)
    {
        if (author.id.toInt32() == nId)
            return author.initials;
    }
    return u"A"_ustr;
}

const Comment& CommentList::getCommentAtIndex(int index)
{
    if (index < 0 || o3tl::make_unsigned(index) >= cmLst.size())
        throw css::lang::IllegalArgumentException();

    return cmLst.at(index);
}
}

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