/*
 * Copyright (C) 2010 Ixonos Plc.
 *
 * This file is part of ConfClerk.
 *
 * ConfClerk 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 2 of the License, or (at your option)
 * any later version.
 *
 * ConfClerk 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
 * ConfClerk.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "searchtabcontainer.h"
#include "searchhead.h"
#include <QMessageBox>

SearchTabContainer::SearchTabContainer(QWidget *aParent) : TabContainer( aParent )
{
    header = new SearchHead(this);
    header->setObjectName(QString::fromUtf8("header"));
    QSizePolicy sizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Expanding);
    sizePolicy.setHorizontalStretch(0);
    sizePolicy.setVerticalStretch(0);
    //sizePolicy.setHeightForWidth(TabContainer::sizePolicy().hasHeightForWidth());
    sizePolicy.setHeightForWidth(header->sizePolicy().hasHeightForWidth());
    header->setSizePolicy(sizePolicy);
    header->setMinimumSize(QSize(10, 10));

    verticalLayout->insertWidget(0,header);

    header->show();

    searchAgainButton = new QToolButton(this);
    searchAgainButton->setObjectName(QString::fromUtf8("button"));
    QIcon icon;
    icon.addPixmap(QPixmap(QString::fromUtf8(":/icons/search.png")), QIcon::Normal, QIcon::Off);
    searchAgainButton->setIcon(icon);
    QSizePolicy sizePolicy1(QSizePolicy::Minimum, QSizePolicy::Minimum);
    sizePolicy1.setHorizontalStretch(0);
    sizePolicy1.setVerticalStretch(0);
    sizePolicy1.setHeightForWidth(searchAgainButton->sizePolicy().hasHeightForWidth());
    searchAgainButton->setSizePolicy(sizePolicy1);

    verticalLayout_2->insertWidget(0,searchAgainButton);

    searchAgainButton->hide();
    treeView->hide();
    // do not show 'search' header if there are no conferences in the DB
    if(Conference::getAll().count()==0)
    {
        header->hide();
    }

    connect( header, SIGNAL(searchClicked()), SLOT(searchButtonClicked()));
    connect( searchAgainButton, SIGNAL(clicked()), SLOT(searchAgainClicked()));
}

SearchTabContainer::~SearchTabContainer()
{
}

void SearchTabContainer::searchButtonClicked()
{
    QHash<QString,QString> columns;

    SearchHead *searchHeader = static_cast<SearchHead*>(header);
    if( searchHeader->searchTitle->isChecked() )
        columns.insertMulti("EVENT", "title");
    if( searchHeader->searchAbstract->isChecked() )
        columns.insertMulti("EVENT", "abstract");
    if( searchHeader->searchTag->isChecked() )
        columns.insertMulti("EVENT", "tag");
    if( searchHeader->searchSpeaker->isChecked() )
        columns["PERSON"] = "name";
    if( searchHeader->searchRoom->isChecked() )
        columns["ROOM"] = "name";

    QString keyword = searchHeader->searchEdit->text().replace( QString("%"), QString("\\%") );
    //qDebug() << "\nKeyword to search: " << keyword;

    int confId = Conference::activeConference();
    SqlEngine::searchEvent( confId, columns, keyword );

    QDate startDate = Conference::getById(confId).start();
    QDate endDate = Conference::getById(confId).end();

    int nrofFounds = 0;
    QDate firstDateWithFounds = endDate;
    QDate lastDateWithFounds = startDate;
    for(QDate d=startDate; d<=endDate; d=d.addDays(1))
    {
        try{
            int count = Event::getSearchResultByDate(d, confId, "start").count();
            if(count && (firstDateWithFounds==endDate))
                firstDateWithFounds=d;
            if(count)
                lastDateWithFounds=d;
            nrofFounds+=count;
        }
        catch( OrmException &e  ){
            qDebug() << "Event::getSearchResultByDate failed: " << e.text();
        }
        catch(...){
            qDebug() << "Event::getSearchResultByDate failed";
        }
    }

    if(!nrofFounds)
    {
        // TODO: display some message
        treeView->hide();
        searchAgainButton->hide();
        dayNavigator->hide();
        header->show();
        QMessageBox::information(
                this,
                QString("Keyword '%1' not found!").arg(keyword),
                QString("No events containing '%1' found!").arg(keyword),
                QMessageBox::Ok);
    }
    else
    {
        searchAgainButton->show();
        dayNavigator->show();
        treeView->show();
        header->hide();

        updateTreeView( firstDateWithFounds );
        dayNavigator->setDates(firstDateWithFounds, lastDateWithFounds);
    }
}

void SearchTabContainer::searchAgainClicked()
{
    header->show();
    searchAgainButton->hide();
    dayNavigator->hide();
    treeView->hide();
}

void SearchTabContainer::loadEvents( const QDate &aDate, const int aConferenceId )
{
    static_cast<EventModel*>(treeView->model())->loadSearchResultEvents( aDate, aConferenceId );
}