//    This file is part of JustVideo.

//    JustVideo 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.

//    JustVideo 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.

#include "main_widget.h"

MainGui::MainGui(QWidget *parent) : QMainWindow(parent)
{
    layout()->setSpacing(0);
}

void MainGui::closeEvent(QCloseEvent *event)
{
    emit killSes();

    QMainWindow::closeEvent(event);
}

MainWidget::MainWidget(shared_t *share, QMenuBar *mainMenuBar, MainGui *parent, Actions *acts) : QStackedWidget(parent)
{
    shared   = share;
    actions  = acts;
    menuBar  = mainMenuBar;
    mainGui  = parent;
    homepage = new QWidget(this);

    actions->live->setVisible(false);
    actions->footage->setVisible(false);

    addWidget(homepage);
    setCurrentWidget(homepage);

    parentWidget()->setWindowTitle(QString(APP_NAME));

    connect(actions, &Actions::contentClose, this, &MainWidget::reset);
    connect(actions, &Actions::contentOpen,  this, &MainWidget::open);

    connect(parent, &MainGui::killSes, acts->closeFolder, &QAction::trigger);
}

void MainWidget::reset()
{
    actions->live->setVisible(false);
    actions->footage->setVisible(false);

    setCurrentWidget(homepage);

    parentWidget()->setWindowTitle(QString(APP_NAME));
}

void MainWidget::open()
{
    parentWidget()->setWindowTitle(shared->playPath + " - " + QString(APP_NAME));

    if (shared->isJM)
    {
        actions->live->setVisible(true);
        actions->footage->setVisible(true);

        auto mntLoc    = QDir::cleanPath(shared->playPath);
        auto confPath  = mntLoc + QDir::separator() + "etc" + QDir::separator() + "jmotion";
        auto confFiles = lsFiles(confPath);
        auto confs     = QList<shared_t>();
        auto pageConfs = QList<shared_t>();

        for (auto &&confFile : confFiles)
        {
            shared_t conf;

            if (rdConf(confPath + QDir::separator() + confFile, &conf))
            {
                confs.append(conf);
            }
        }

        if (confs.isEmpty())
        {
            QMessageBox::critical(this, tr("JustMotion Config Error"), tr("Did not find any config files in: '") + mntLoc + "' check the folder for any conf files in the etc/jmotion subfolder.");

            actions->closeFolder->trigger();
        }
        else
        {
            auto page = 1;

            for (auto &&conf : confs)
            {
                pageConfs.append(conf);

                if (pageConfs.size() == shared->maxViewsPerPage)
                {
                    mwMultiViewBuild(pageConfs, page++); pageConfs.clear();
                }
            }

            if (!pageConfs.isEmpty())
            {
                mwMultiViewBuild(pageConfs, page);
            }

            for (auto &&conf : confs)
            {
                mwSingleLiveViewBuild(QDir::cleanPath(mntLoc + QDir::separator() + conf.buffPath + QDir::separator() + "live"), conf.camName);
            }

            for (auto &&conf : confs)
            {
                mwSingleFootageViewBuild(QDir::cleanPath(mntLoc + QDir::separator() + conf.recPath), conf.camName);
            }
        }
    }
    else
    {
        actions->live->setVisible(false);
        actions->footage->setVisible(false);

        playPathBuild();
    }
}

void MainWidget::setView(QWidget *widget)
{
    if (currentWidget() == homepage)
    {
        setCurrentWidget(widget);
    }
}

void MainWidget::addVidWidget(VidWidget *vidWidget)
{
    QCoreApplication::instance()->installEventFilter(vidWidget);

    connect(vidWidget, &VidWidget::mainWindowsVis, mainGui, &MainGui::setVisible);

    setView(vidWidget);
}

void MainWidget::playPathBuild()
{
    addVidWidget(new VidWidget(shared, "", shared->playPath, false, true, nullptr, actions->closeFolder, this));
}

void MainWidget::mwSingleLiveViewBuild(const QString &path, const QString &camName)
{
    addVidWidget(new VidWidget(shared, camName, path, false, false, actions->liveSelect, actions->closeFolder, this));
}

void MainWidget::mwSingleFootageViewBuild(const QString &path, const QString &camName)
{
    addVidWidget(new VidWidget(shared, camName, path, false, true, actions->footageSelect, actions->closeFolder, this));
}

void MainWidget::mwMultiViewBuild(QList<shared_t> confs, int page)
{
    setView(new VidGrid(shared, confs, shared->playPath, page, actions->liveSelect, actions->closeFolder, this));
}