/************************************************************************
 **
 **  @file   dialogsavelayout.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   22 1, 2015
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentine project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2013-2015 Valentina project
 **  <https://bitbucket.org/dismine/valentina> All Rights Reserved.
 **
 **  Valentina 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.
 **
 **  Valentina 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 Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#include "dialogsavelayout.h"
#include "ui_dialogsavelayout.h"
#include "../options.h"
#include "../../core/vapplication.h"
#include "../../core/vsettings.h"

#include <QDir>
#include <QFileDialog>
#include <QMessageBox>

//---------------------------------------------------------------------------------------------------------------------
DialogSaveLayout::DialogSaveLayout(const QMap<QString, QString> &formates, int count, const QString &fileName,
                                   QWidget *parent)
    :QDialog(parent), ui(new Ui::DialogSaveLAyout), count(count)
{
    ui->setupUi(this);

    qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));

    QPushButton *bOk = ui->buttonBox->button(QDialogButtonBox::Ok);
    SCASSERT(bOk != nullptr);
    bOk->setEnabled(false);

    QRegExpValidator *validator = new QRegExpValidator(QRegExp("^[\\w\\-. ]+$"), this);
    ui->lineEditFileName->setValidator(validator);
    ui->lineEditFileName->setText(fileName+"_");

    QMap<QString, QString>::const_iterator i = formates.constBegin();
    while (i != formates.constEnd())
    {
        ui->comboBoxFormat->addItem(i.key(), QVariant(i.value()));
        ++i;
    }

    connect(bOk, &QPushButton::clicked, this, &DialogSaveLayout::Save);
    connect(ui->lineEditFileName, &QLineEdit::textChanged, this, &DialogSaveLayout::ShowExample);
    connect(ui->comboBoxFormat, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this,
            &DialogSaveLayout::ShowExample);
    connect(ui->pushButtonBrowse, &QPushButton::clicked, this, &DialogSaveLayout::Browse);
    connect(ui->lineEditPath, &QLineEdit::textChanged, this, &DialogSaveLayout::PathChanged);

    ui->lineEditPath->setText(qApp->getSettings()->GetPathLayout());
}

//---------------------------------------------------------------------------------------------------------------------
DialogSaveLayout::~DialogSaveLayout()
{
    delete ui;
}

//---------------------------------------------------------------------------------------------------------------------
QString DialogSaveLayout::Path() const
{
    return ui->lineEditPath->text();
}

//---------------------------------------------------------------------------------------------------------------------
QString DialogSaveLayout::FileName() const
{
    return ui->lineEditFileName->text();
}

//---------------------------------------------------------------------------------------------------------------------
QString DialogSaveLayout::Formate() const
{
    return ui->comboBoxFormat->currentData().toString();
}

//---------------------------------------------------------------------------------------------------------------------
void DialogSaveLayout::Save()
{
    for (int i=0; i < count; ++i)
    {
        const QString name = Path()+"/"+FileName()+QString::number(i+1)+Formate();
        if (QFile::exists(name))
        {
            QMessageBox::StandardButton res = QMessageBox::question(this, tr("Name conflict"),
                                  tr("Folder already contain file with name %1. Rewrite all conflict file names?")
                                  .arg(name), QMessageBox::Yes|QMessageBox::No, QMessageBox::Yes);
            if (res == QMessageBox::No)
            {
                return;
            }
            else
            {
                break;
            }
        }
    }
    accept();
}

//---------------------------------------------------------------------------------------------------------------------
void DialogSaveLayout::ShowExample()
{
    ui->labelExample->setText(tr("Example:") + FileName() + "1" + Formate());
}

//---------------------------------------------------------------------------------------------------------------------
void DialogSaveLayout::Browse()
{
    const QString dir = QFileDialog::getExistingDirectory(this, tr("Select folder"), QDir::homePath(),
                                                          QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
    ui->lineEditPath->setText(dir);
}

//---------------------------------------------------------------------------------------------------------------------
void DialogSaveLayout::PathChanged(const QString &text)
{
    QPushButton *bOk = ui->buttonBox->button(QDialogButtonBox::Ok);
    SCASSERT(bOk != nullptr);

    QPalette palette = ui->lineEditPath->palette();

    QDir dir(text);
    dir.setPath(text);
    if (dir.exists(text))
    {
        bOk->setEnabled(true);
        palette.setColor(ui->lineEditPath->foregroundRole(), Qt::black);
    }
    else
    {
        bOk->setEnabled(false);
        palette.setColor(ui->lineEditPath->foregroundRole(), Qt::red);
    }

    ui->lineEditPath->setPalette(palette);
}