#include <QTabWidget>
#include <QGridLayout>
#include <QLabel>
#include <QSettings>
#include <QPushButton>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLineEdit>
#include <QFileDialog>

#include "configurationwidget.h"
#include "dirselectionwidget.h"

ConfigurationWidget::ConfigurationWidget(QWidget *parent, Qt::WindowFlags f) : QDialog(parent, f) {
    //database setup
    QGridLayout *dbLayout = new QGridLayout;
    mDbHost = new QLineEdit;
    dbLayout->addWidget(new QLabel(tr("Hostname")), 0, 0);
    dbLayout->addWidget(mDbHost, 0, 1);
    mDbUser = new QLineEdit;
    dbLayout->addWidget(new QLabel(tr("Username")), 1, 0);
    dbLayout->addWidget(mDbUser, 1, 1);
    mDbPass = new QLineEdit;
    mDbPass->setEchoMode(QLineEdit::Password);
    dbLayout->addWidget(new QLabel(tr("Password")), 2, 0);
    dbLayout->addWidget(mDbPass, 2, 1);
    mDbName = new QLineEdit;
    dbLayout->addWidget(new QLabel(tr("DB Name")), 3, 0);
    dbLayout->addWidget(mDbName, 3, 1);
    dbLayout->setAlignment(Qt::AlignTop);
    QWidget *dbWidget = new QWidget;
    dbWidget->setLayout(dbLayout);

    //exernal programs
    QGridLayout *extL = new QGridLayout;
    mFfProbe = new QLineEdit;
    extL->addWidget(new QLabel(tr("ffprobe")), 0, 0);
    extL->addWidget(mFfProbe, 0, 1);
    QPushButton *browseFfProbeBtn = new QPushButton(tr("Browse..."));
    connect(browseFfProbeBtn, SIGNAL(clicked()), this, SLOT(browseFfProbe()));
    extL->addWidget(browseFfProbeBtn, 0, 2);
    mFfMpeg = new QLineEdit;
    extL->addWidget(new QLabel(tr("ffmpeg")), 1, 0);
    extL->addWidget(mFfMpeg, 1, 1);
    QPushButton *browseFfMpegBtn = new QPushButton(tr("Browse..."));
    connect(browseFfMpegBtn, SIGNAL(clicked()), this, SLOT(browseFfMpeg()));
    extL->addWidget(browseFfMpegBtn, 1, 2);
    mMkvInfo = new QLineEdit;
    extL->addWidget(new QLabel(tr("mkvinfo")), 2, 0);
    extL->addWidget(mMkvInfo, 2, 1);
    QPushButton *browsemkvBtn = new QPushButton(tr("Browse..."));
    connect(browsemkvBtn, SIGNAL(clicked()), this, SLOT(browseMkvInfo()));
    extL->addWidget(browsemkvBtn, 2, 2);
    extL->setAlignment(Qt::AlignTop);
    QWidget *extWidget = new QWidget;
    extWidget->setLayout(extL);

    //copy directories
    mCopyDirW = new DirSelectionWidget;

    //buttons
    mAccept = new QPushButton(tr("Save"));
    connect(mAccept, SIGNAL(clicked()), this, SLOT(accept()));
    mCancel = new QPushButton(tr("Cancel"));
    connect(mCancel, SIGNAL(clicked()), this, SLOT(reject()));
    QHBoxLayout *bLayout = new QHBoxLayout;
    bLayout->addStretch();
    bLayout->addWidget(mAccept);
    bLayout->addWidget(mCancel);
    bLayout->addStretch();

    //dialog layout
    QVBoxLayout *mainLayout = new QVBoxLayout;
    QTabWidget *tab = new QTabWidget;
    tab->addTab(dbWidget, tr("Database"));
    tab->addTab(extWidget, tr("Programs"));
    tab->addTab(mCopyDirW, tr("Copy dirs"));
    mainLayout->addWidget(tab);
    mainLayout->addLayout(bLayout);
    readSettings();
    setLayout(mainLayout);
    setMinimumWidth(400);
}

void ConfigurationWidget::accept(){
    QSettings s;
    s.setValue("dbhost", mDbHost->text());
    s.setValue("dbuser", mDbUser->text());
    s.setValue("dbpass", mDbPass->text());
    s.setValue("dbname", mDbName->text());
    s.setValue("ext/ffprobe", mFfProbe->text());
    s.setValue("ext/ffmpeg", mFfMpeg->text());
    s.setValue("ext/mkvinfo", mMkvInfo->text());
    QStringList copyDirs = mCopyDirW->directories();
    s.setValue("copydirs", copyDirs);
    QDialog::accept();
}

void ConfigurationWidget::browseFfProbe(){
    QString ffprobe = QFileDialog::getOpenFileName(this, tr("Select ffprobe"), QDir::homePath());
    mFfProbe->setText(QDir::toNativeSeparators(ffprobe));
}

void ConfigurationWidget::browseFfMpeg(){
    QString ffmpeg = QFileDialog::getOpenFileName(this, tr("Select ffmpeg"), QDir::homePath());
    mFfMpeg->setText(QDir::toNativeSeparators(ffmpeg));
}

void ConfigurationWidget::browseMkvInfo(){
    QString mkvinfo = QFileDialog::getOpenFileName(this, tr("Select mkvinfo"), QDir::homePath());
    mMkvInfo->setText(QDir::toNativeSeparators(mkvinfo));
}

void ConfigurationWidget::readSettings(){
    QSettings s;
    mDbHost->setText(s.value("dbhost").toString());
    mDbUser->setText(s.value("dbuser").toString());
    mDbPass->setText(s.value("dbpass").toString());
    mDbName->setText(s.value("dbname").toString());
    mFfProbe->setText(s.value("ext/ffprobe").toString());
    mFfMpeg->setText(s.value("ext/ffmpeg").toString());
    mMkvInfo->setText(s.value("ext/mkvinfo").toString());
    QStringList copyDirs = s.value("copydirs").toStringList();
    mCopyDirW->setDirectories(copyDirs);
}