/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2019-    Equinor ASA
//
//  ResInsight 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.
//
//  ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RifCsvDataTableFormatter.h"

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RifCsvDataTableFormatter::RifCsvDataTableFormatter(QTextStream& out, const QString fieldSeparator)
    : m_out(out)
    , m_fieldSeparator(fieldSeparator)
{
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RifCsvDataTableFormatter& RifCsvDataTableFormatter::header(const std::vector<RifEclipseOutputTableColumn>& tableHeader)
{
    outputBuffer();
    m_columnHeaders = tableHeader;

    return *this;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RifCsvDataTableFormatter& RifCsvDataTableFormatter::add(const QString& str)
{
    QString quotedString = "\"" + str + "\"";
    m_lineBuffer.push_back(quotedString);
    return *this;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RifCsvDataTableFormatter& RifCsvDataTableFormatter::add(double num)
{
    size_t column = m_lineBuffer.size();
    m_lineBuffer.push_back(RifEclipseDataTableFormatter::format(num, m_columnHeaders[column].doubleFormat));
    return *this;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RifCsvDataTableFormatter& RifCsvDataTableFormatter::add(int num)
{
    m_lineBuffer.push_back(RifEclipseDataTableFormatter::format(num));
    return *this;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RifCsvDataTableFormatter& RifCsvDataTableFormatter::add(size_t num)
{
    m_lineBuffer.push_back(RifEclipseDataTableFormatter::format(num));
    return *this;
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RifCsvDataTableFormatter::rowCompleted()
{
    RifEclipseOutputTableLine line;
    line.data          = m_lineBuffer;
    line.lineType      = CONTENTS;
    line.appendTextSet = false;
    m_buffer.push_back(line);
    m_lineBuffer.clear();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RifCsvDataTableFormatter::tableCompleted()
{
    outputBuffer();
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void RifCsvDataTableFormatter::outputBuffer()
{
    if (!m_columnHeaders.empty())
    {
        for (size_t i = 0; i < m_columnHeaders.size(); i++)
        {
            m_out << m_columnHeaders[i].title;

            if (i < m_columnHeaders.size() - 1)
            {
                m_out << m_fieldSeparator;
            }
        }
        m_out << "\n";
    }

    for (const auto& line : m_buffer)
    {
        if (line.lineType == CONTENTS)
        {
            QString lineText;
            for (size_t i = 0; i < line.data.size(); i++)
            {
                lineText += line.data[i];
                if (i < line.data.size() - 1)
                {
                    lineText += m_fieldSeparator;
                }
            }

            m_out << lineText << "\n";
        }
    }
    m_columnHeaders.clear();
    m_buffer.clear();
}