/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 *
 * Profile Select Implementation (Login Screen)
 *
 * Copyright (c) 2011-2014 Mark Watkins <jedimark@users.sourceforge.net>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file COPYING in the main directory of the Linux
 * distribution for more details. */

#include "profileselect.h"
#include <QDebug>
#include <QStringListModel>
#include <QStandardItem>
#include <QDialog>
#include <QLineEdit>
#include <QVBoxLayout>
#include <QCryptographicHash>
#include <QMessageBox>
#include <QTimer>
#include <QDir>
#include "ui_profileselect.h"
#include "SleepLib/profiles.h"
#include "newprofile.h"
#include "mainwindow.h"

ProfileSelect::ProfileSelect(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::ProfileSelect)
{
    ui->setupUi(this);
    QStringList str;
    model = new QStandardItemModel(0, 0);

    int i = 0;
    int sel = -1;
    QString name;

    QIcon icon(":/icons/moon.png");

    for (QMap<QString, Profile *>::iterator p = Profiles::profiles.begin();
            p != Profiles::profiles.end(); p++) {
        name = p.key();

        QStandardItem *item = new QStandardItem(icon, name);

        if (PREF.contains(STR_GEN_Profile) && (name == PREF[STR_GEN_Profile].toString())) {
            sel = i;
        }

        item->setData(p.key());
        item->setEditable(false);

        // Profile fonts arern't loaded yet.. Using generic font.
        item->setFont(QFont("Sans Serif", 18, QFont::Bold, false));
        model->appendRow(item);
        i++;
    }

    ui->listView->setModel(model);
    ui->listView->setSelectionBehavior(QAbstractItemView::SelectRows);
    ui->listView->setSelectionMode(QAbstractItemView::SingleSelection);

    if (sel >= 0) { ui->listView->setCurrentIndex(model->item(sel)->index()); }

    m_tries = 0;

    /*PREF["SkipLogin"]=false;
    if ((i==1) && PREF["SkipLogin"].toBool()) {
        if (!Profiles::profiles.contains(name))
            PREF[STR_GEN_Profile]=name;
        QTimer::singleShot(0,this,SLOT(earlyExit()));
        hide();
    } */
    popupMenu = new QMenu(this);
    popupMenu->addAction(tr("Open Profile"), this, SLOT(openProfile()));
    popupMenu->addAction(tr("Edit Profile"), this, SLOT(editProfile()));
    popupMenu->addSeparator();
    popupMenu->addAction(tr("Delete Profile"), this, SLOT(deleteProfile()));

    ui->labelAppName->setText(STR_TR_SleepyHead);
    ui->labelVersion->setText("v" + VersionString + " " + ReleaseStatus);
    //    if (GIT_BRANCH!="master")
    //        ui->labelBuild->setText(GIT_BRANCH);
    //    else ui->labelBuild->setText(QString());
    ui->labelFolder->setText(GetAppRoot());
    ui->labelFolder->setToolTip("Current SleepyHead data folder\n" + GetAppRoot());
}

ProfileSelect::~ProfileSelect()
{
    delete model; // why is this not being cleaned up by Qt?
    delete popupMenu;
    delete ui;
}
void ProfileSelect::earlyExit()
{
    accept();
}
void ProfileSelect::editProfile()
{
    QString name = ui->listView->currentIndex().data().toString();
    Profile *profile = Profiles::Get(name);

    if (!profile) { return; }

    bool reallyEdit = false;

    if (profile->user->hasPassword()) {
        QDialog dialog(this, Qt::Dialog);
        QLineEdit *e = new QLineEdit(&dialog);
        e->setEchoMode(QLineEdit::Password);
        dialog.connect(e, SIGNAL(returnPressed()), &dialog, SLOT(accept()));
        dialog.setWindowTitle(tr("Enter Password for %1").arg(name));
        dialog.setMinimumWidth(300);
        QVBoxLayout *lay = new QVBoxLayout();
        dialog.setLayout(lay);
        lay->addWidget(e);
        int tries = 0;

        do {
            e->setText("");

            if (dialog.exec() != QDialog::Accepted) { break; }

            tries++;

            if (profile->user->checkPassword(e->text())) {
                reallyEdit = true;
                break;
            } else {
                if (tries < 3) {
                    QMessageBox::warning(this, STR_MESSAGE_ERROR, tr("Incorrect Password"), QMessageBox::Ok);
                } else {
                    QMessageBox::warning(this, STR_MESSAGE_ERROR, tr("You entered the password wrong too many times."),
                                         QMessageBox::Ok);
                    reject();
                }
            }
        } while (tries < 3);
    } else { reallyEdit = true; }

    if (reallyEdit) {
        NewProfile newprof(this);
        newprof.edit(name);
        newprof.exec();
    }

    //qDebug() << "edit" << name;
}
void ProfileSelect::deleteProfile()
{
    QString name = ui->listView->currentIndex().data().toString();

    if (QMessageBox::question(this, tr("Question"),
                              tr("Are you sure you want to trash the profile \"%1\"?").arg(name), QMessageBox::Yes,
                              QMessageBox::No) == QMessageBox::Yes) {
        if (QMessageBox::question(this, tr("Question"),
                                  tr("Double Checking:\n\nDo you really want \"%1\" profile to be obliterated?").arg(name),
                                  QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes) {
            if (QMessageBox::question(this, tr("Question"),
                                      tr("Okay, I am about to totally OBLITERATE the profile \"%1\" and all it's contained data..\n\nDon't say you weren't warned. :-p").arg(
                                          name), QMessageBox::Cancel, QMessageBox::Ok) == QMessageBox::Ok) {
                bool reallydelete = false;
                Profile *profile = Profiles::profiles[name];

                if (!profile) {
                    QMessageBox::warning(this, tr("WTH???"),
                                         tr("If you can read this you need to delete this profile directory manually (It's under %1)").arg(
                                             GetAppRoot() + "/Profiles/" + PROFILE.user->userName()), QMessageBox::Ok);
                    return;
                }

                if (profile->user->hasPassword()) {
                    QDialog dialog(this, Qt::Dialog);
                    QLineEdit *e = new QLineEdit(&dialog);
                    e->setEchoMode(QLineEdit::Password);
                    dialog.connect(e, SIGNAL(returnPressed()), &dialog, SLOT(accept()));
                    dialog.setWindowTitle(tr("Enter Password for %1").arg(name));
                    dialog.setMinimumWidth(300);
                    QVBoxLayout *lay = new QVBoxLayout();
                    dialog.setLayout(lay);
                    lay->addWidget(e);
                    int tries = 0;

                    do {
                        e->setText("");

                        if (dialog.exec() != QDialog::Accepted) { break; }

                        tries++;

                        if (profile->user->checkPassword(e->text())) {
                            reallydelete = true;
                            break;
                        } else {
                            if (tries < 3) {
                                QMessageBox::warning(this, STR_MESSAGE_ERROR, tr("Incorrect Password"), QMessageBox::Ok);
                            } else {
                                QMessageBox::warning(this, STR_MESSAGE_ERROR,
                                                     tr("Meheh... If your trying to delete because you forgot the password, your going the wrong way about it. Read the docs.\n\nSigned: Nasty Programmer"),
                                                     QMessageBox::Ok);
                            }
                        }
                    } while (tries < 3);
                } else { reallydelete = true; }

                if (reallydelete) {
                    QString path = profile->Get(PrefMacro(STR_GEN_DataFolder));

                    if (!path.isEmpty()) {
                        if (!removeDir(path)) {
                            QMessageBox::information(this, tr("Whoops."),
                                                     tr("There was an error deleting the profile directory.. You need to manually remove %1").arg(path),
                                                     QMessageBox::Ok);
                        }
                    }

                    model->removeRow(ui->listView->currentIndex().row());

                    qDebug() << "Delete" << path;
                }
            }
        }
    }
}

//! \fn ProfileSelect::QuickLogin()
//! \brief For programmatically bypassing the login window
void ProfileSelect::QuickLogin()
{
    on_listView_activated(ui->listView->currentIndex());
}

void ProfileSelect::on_selectButton_clicked()
{
    on_listView_activated(ui->listView->currentIndex());
}
void ProfileSelect::openProfile()
{
    on_listView_activated(ui->listView->currentIndex());
}

void ProfileSelect::on_newProfileButton_clicked()
{
    NewProfile newprof(this);
    newprof.skipWelcomeScreen();

    if (newprof.exec() == NewProfile::Rejected) {
        //        reject();
    } else { accept(); }
}


//! \fn ProfileSelect::on_listView_activated(const QModelIndex &index)
//! \brief Process the selected login, requesting passwords if required.
void ProfileSelect::on_listView_activated(const QModelIndex &index)
{
    QString name = index.data().toString();
    Profile *profile = Profiles::profiles[name];

    if (!profile) { return; }
    if (!profile->isOpen()) {
        profile->Open();
    }

    if (!profile->user->hasPassword()) {
        m_selectedProfile = name;
        PREF[STR_GEN_Profile] = name;
        accept();
        return;
    } else {
        int tries = 0;

        do {
            QDialog dialog(this, Qt::Dialog);
            QLineEdit *e = new QLineEdit(&dialog);
            e->setEchoMode(QLineEdit::Password);
            dialog.connect(e, SIGNAL(returnPressed()), &dialog, SLOT(accept()));
            dialog.setWindowTitle(tr("Enter Password"));
            QVBoxLayout *lay = new QVBoxLayout();
            dialog.setLayout(lay);
            lay->addWidget(e);
            dialog.exec();

            if (profile->user->checkPassword(e->text())) {
                m_selectedProfile = name;
                PREF[STR_GEN_Profile] = name;
                accept();
                return;
            }

            tries++;

            if (tries < 3) {
                QMessageBox::warning(this, STR_MESSAGE_ERROR, tr("Incorrect Password"), QMessageBox::Ok);
            } else {
                QMessageBox::warning(this, STR_MESSAGE_ERROR,
                                     tr("You entered an Incorrect Password too many times. Exiting!"), QMessageBox::Ok);
            }
        } while (tries < 3);
    }

    reject();
    return;
}

void ProfileSelect::on_listView_customContextMenuRequested(const QPoint &pos)
{
    popupMenu->popup(QWidget::mapToGlobal(pos));
}

void ProfileSelect::on_pushButton_clicked()
{
    MainWindow::RestartApplication(false, true);
}