#include "rm_popup_pw.h"
#if (USE_PASSWORD_POPUP)

#include "../fm_dimensions.h"

#include <QVBoxLayout>
#include <QSettings>
#include "rm_button.h"
#include "fm_button.h"
#include "rm_popup_content_background.h"
#include "title_widget.h"
#include "../core/fm_strings.h"
#define USER_SETTINGS "HKEY_CURRENT_USER\\SOFTWARE\\XLDR_88_VIEWER"
#include <QThread>
#include <QPlainTextEdit>
#include <QCryptographicHash>
#include <QMessageBox>

RMPopupPW::RMPopupPW(PW_MODE mode, QWidget *parent) : RMPopup(parent,FMS::txt("password_input"),"")
{
    int height = POPUP_INFO_HEIGHT;

    // 신규 모드
    if(readPW().isEmpty()) {
        currentMode = PW_NEW;
        height = 260;
        //_title->titleLabel->setText(FMS::txt("password_change"));
    }
    else
    {
        // 변경 모드
        if(mode == PW_CHANGE)
        {
            _title->titleLabel->setText(FMS::txt("password_change"));
            height = 280;
        }
        currentMode = mode;
    }

    this->setFixedSize(340,height);

    _title->closeButton->setHidden(true);

    QVBoxLayout* layout = new QVBoxLayout(_contentWidget);

    layout->setContentsMargins(10,13,10,12);

    RMPopupContentBackground* bg = new RMPopupContentBackground(_contentWidget);
    layout->addWidget(bg);

    QVBoxLayout* contentLayout = new QVBoxLayout(bg);
    contentLayout->setAlignment(Qt::AlignTop);

    if(currentMode == PW_CHECK) {
        editPWCheck = addLine(contentLayout,bg,"");
        connect(editPWCheck,SIGNAL(returnPressed()),this,SLOT(onOK()));
    }
    else if(currentMode == PW_NEW) {

        RMLayout::addLabel(bg,contentLayout,FMS::txt("pw_message"),"text_normal_label");
        editPWNew = addLine(contentLayout,bg,FMS::txt("input") + ":"); //
        editPWConfirm = addLine(contentLayout,bg,FMS::txt("confirm") + ":"); // FMS::txt("password") + ":"
    }
    else if (currentMode == PW_CHANGE)
    {
        RMLayout::addLabel(bg,contentLayout,FMS::txt("pw_message"),"text_normal_label");
        editPWOld = addLine(contentLayout,bg,FMS::txt("old") + ":"); //
        editPWNew = addLine(contentLayout,bg,FMS::txt("input") + ":"); //
        editPWConfirm = addLine(contentLayout,bg,FMS::txt("confirm") + ":"); // FMS::txt("password") + ":"
    }


    QSize btnSize = QSize(90,27);
    okButton = RMButton::create(_buttonWidget,_buttonLayout,"button",FMS::txt("ok"),btnSize);
    okButton->setText(FMS::txt("ok"));
    connect(okButton,SIGNAL(clicked()),this,SLOT(onOK()));

    RMButton* cancelButton = RMButton::create(_buttonWidget,_buttonLayout,"button",FMS::txt("cancel"),btnSize);
    cancelButton->setText(FMS::txt("cancel"));
    connect(cancelButton,SIGNAL(clicked()),this,SLOT(reject()));

    if(currentMode == PW_CHECK) {
        RMButton* changeButton = RMButton::create(_buttonWidget,_buttonLayout,"button",FMS::txt("change"),btnSize);
        changeButton->setText(FMS::txt("change"));
        connect(changeButton,SIGNAL(clicked()),this,SLOT(onChangePW()));
    }
}
QLineEdit* RMPopupPW::addLine(QVBoxLayout* layout, QWidget* parent, QString label)
{
    QWidget* lw = new QWidget(parent);
    layout->addWidget(lw);

    QHBoxLayout* ll = new QHBoxLayout(lw);
    ll->setAlignment(Qt::AlignCenter);

    if(!label.isEmpty()) {
        RMLayout::addLabel(lw,
                           ll,
                           label,
                           "text_header_label");
    }

    QLineEdit* e = new QLineEdit(lw);
    e->setEchoMode(QLineEdit::Password);
    e->setStyleSheet("font-family: Fixedsys;color : #111111;background-color: #DDDDDD;border:1px;border-style:solid;border-color:#313131;");
    ll->addWidget(e);
    e->setMaxLength(20);

    //e->setFixedWidth(180);

    connect(e, SIGNAL(textChanged(const QString &)), this, SLOT(onTextCahnged(const QString&)));
    return e;
}
void RMPopupPW::onOK()
{
    if(currentMode == PW_NEW) {
        if(editPWNew->text().length() >= 4 && editPWNew->text() == editPWConfirm->text())
        {
            savePW(editPWNew->text());
            accept();
            return;
        }
        showMessage(FMS::txt("password_wrong"));
    }
    else if (currentMode == PW_CHECK) {
        QString pw = editPWCheck->text();
        QString epw = QString(QCryptographicHash::hash(pw.toUtf8(),QCryptographicHash::Sha1).toHex());
        if(epw == readPW())
        {
            accept();
            return;
        }
        showMessage(FMS::txt("password_wrong"));
    }
    else if (currentMode == PW_CHANGE)
    {
        if(editPWNew->text().length() >= 4 && editPWNew->text() == editPWConfirm->text())
        {
            QString pw = editPWOld->text();
            QString epw = QString(QCryptographicHash::hash(pw.toUtf8(),QCryptographicHash::Sha1).toHex());
            if(epw == readPW())
            {
                savePW(editPWNew->text());
                currentMode = PW_CHECK;
                accept();
                return;
            }
        }
        showMessage(FMS::txt("password_wrong"));
    }
}
void RMPopupPW::showMessage(QString message)
{
    QMessageBox::warning(this,FMS::txt("warning"),message,QMessageBox::Ok,QMessageBox::NoButton);
}

void RMPopupPW::onTextCahnged(const QString& txt)
{
    //qInfo() << txt;
}
void RMPopupPW::onChangePW()
{
    currentMode = PW_CHANGE;
    accept();
}
void RMPopupPW::savePW(QString pw)
{
    QSettings settings(USER_SETTINGS,QSettings::NativeFormat);
    QString epw = QString(QCryptographicHash::hash(pw.toUtf8(),QCryptographicHash::Sha1).toHex());
    settings.setValue("pw",epw);
    settings.sync();
}

QString RMPopupPW::readPW() {

    QSettings settings(USER_SETTINGS,QSettings::NativeFormat);
    if(settings.contains("pw") == true)
    {
        //qInfo() << settings.value("pw").toString();
        return settings.value("pw").toString();
    }
    return "";
}
#endif // #if (USE_PASSWORD_POPUP)