#include "generaldialog.h"
#include "ui_generaldialog.h"
#include "functions.h"
#include "reader.h"
#include "mainwindow.h"

#include <QFile>
#include <QDebug>
#include <QProcess>
#include <QScreen>

generalDialog::generalDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::generalDialog)
{
    ui->setupUi(this);

    // Preventing outside interaction
    this->setModal(true);

    // Stylesheet, style & misc.
    QFile stylesheetFile(":/resources/eink.qss");
    stylesheetFile.open(QFile::ReadOnly);
    this->setStyleSheet(stylesheetFile.readAll());
    stylesheetFile.close();

    ui->okBtn->setProperty("type", "borderless");
    ui->cancelBtn->setProperty("type", "borderless");
    ui->acceptBtn->setProperty("type", "borderless");

    ui->okBtn->setStyleSheet("font-size: 9pt; padding: 10px; font-weight: bold; background: lightGrey");
    ui->cancelBtn->setStyleSheet("font-size: 9pt; padding: 10px; font-weight: bold; background: lightGrey");
    ui->acceptBtn->setStyleSheet("font-size: 9pt; padding: 10px; font-weight: bold; background: lightGrey");
    ui->bodyLabel->setStyleSheet("font-size: 9pt");

    if(checkconfig("/inkbox/resetDialog") == true) {
        if(checkconfig("/opt/inkbox_genuine") == true) {
            resetDialog = true;
            ui->okBtn->setText("Proceed");
            ui->cancelBtn->setText("Go back");
            ui->bodyLabel->setText("This will erase any books you have on the device. Settings will be reset.");
            ui->headerLabel->setText("Warning");
            this->adjustSize();
            string_writeconfig("/inkbox/resetDialog", "false");
        }
        else {
            resetDialog = true;
            ui->okBtn->setText("Proceed");
            ui->cancelBtn->setText("Go back");
            ui->bodyLabel->setText("Settings will be reset.");
            ui->headerLabel->setText("Warning");
            this->adjustSize();
            string_writeconfig("/inkbox/resetDialog", "false");
        }
    }
    if(checkconfig("/inkbox/updateDialog") == true) {
        updateDialog = true;
        ui->okBtn->setText("Update");
        ui->cancelBtn->setText("Not now");
        ui->bodyLabel->setText("Do you want to update InkBox now?");
        ui->headerLabel->setText("Update available");
        this->adjustSize();
        string_writeconfig("/inkbox/updateDialog", "false");
    }
    if(checkconfig("/inkbox/settingsRebootDialog") == true) {
        settingsRebootDialog = true;
        ui->stackedWidget->setCurrentIndex(1);
        ui->bodyLabel->setText("The settings you chose might require a complete reboot of the device for them to work properly.");
        ui->headerLabel->setText("Information");
        this->adjustSize();
        string_writeconfig("/inkbox/settingsRebootDialog", "false");
    }
    if(global::mainwindow::lowBatteryDialog == true) {
        lowBatteryDialog = true;
        ui->stackedWidget->setCurrentIndex(1);
        get_battery_level();
        QString message = "The battery's level is low. Please charge your eReader.\nCurrent level: ";
        message.append(batt_level);
        ui->bodyLabel->setText(message);
        ui->headerLabel->setText("Low battery");
        this->adjustSize();
        string_writeconfig("/inkbox/lowBatteryDialog", "false");
    }
    else {
        // We shouldn't be there ;)
        ;
    }

    // Centering dialog
    QRect screenGeometry = QGuiApplication::screens()[0]->geometry();
    int x = (screenGeometry.width() - this->width()) / 2;
    int y = (screenGeometry.height() - this->height()) / 2;
    this->move(x, y);
}

generalDialog::~generalDialog()
{
    delete ui;
}

void generalDialog::on_cancelBtn_clicked()
{
    if(resetDialog == true) {
        generalDialog::close();
    }
    if(updateDialog == true) {
        string_writeconfig("/tmp/cancelUpdateDialog", "true");
        generalDialog::close();
    }
}

void generalDialog::on_okBtn_clicked()
{
    if(resetDialog == true) {
        if(checkconfig("/opt/inkbox_genuine") == true) {
            // Soft-reset the device
            // We set a custom boot flag and reboot silently in Diagnostics
            string_writeconfig("/external_root/boot/flags/DIAGS_BOOT", "true");
            string_writeconfig("/external_root/boot/flags/DO_SOFT_RESET", "true");
            QString prog ("reboot");
            QStringList args;
            QProcess *proc = new QProcess();
            proc->start(prog, args);
            proc->waitForFinished();
        }
        else {
            // Restore default settings, we're not running on InkBox OS
            QString prog ("sh");
            QStringList args;
            args << "reset-config.sh";
            QProcess *proc = new QProcess();
            proc->start(prog, args);
            proc->waitForFinished();

            // Relaunching InkBox
            QProcess process;
            process.startDetached("inkbox.sh", QStringList());
            qApp->quit();
        }
    }
    if(updateDialog == true) {
        string_writeconfig("/mnt/onboard/onboard/.inkbox/can_really_update", "true");
        string_writeconfig("/external_root/opt/update/will_update", "true");
        string_writeconfig("/external_root/boot/flags/WILL_UPDATE", "true");
        QString prog ("reboot");
        QStringList args;
        QProcess *proc = new QProcess();
        proc->start(prog, args);
        proc->waitForFinished();
    }
}
void generalDialog::on_acceptBtn_clicked()
{
    if(lowBatteryDialog == true) {
        global::mainwindow::lowBatteryDialog = false;
        global::battery::batteryAlertLock = false;
        global::battery::showLowBatteryDialog = false;
    }

    if(settingsRebootDialog == true) {
        QProcess process;
        process.startDetached("inkbox.sh", QStringList());
        qApp->quit();
    }

    // We don't have any other option ;p
    generalDialog::close();
}