#include "LoginDialog.h"

#include <QVBoxLayout>
#include <QToolButton>
#include <QFrame>
#include <QInputMethodEvent>
#include <QtWidgets/QLabel>
#include <QCryptographicHash>

#include "guimacros.h"
#include "event/EventCenter.h"
#include "db/SQLHelper.h"
#include "models/User.h"
#include "log/UserOperationLog.h"
#include "json/jsonobject.h"
#include "dialogs/guimessagedialog.h"
#include "components/ULineEdit.h"

LoginDialog::LoginDialog(QWidget* aParent)
    : QDialog(aParent)
    , mVMainLayout(new QVBoxLayout(this))
    , mDialogTitle(new QLabel(this))
    , mDialogFrame(new QFrame(this))
    , mDialogContentsLayout(new QVBoxLayout(mDialogFrame))
    , mAccountEdit(new ULineEdit(mDialogFrame))
    , mPasswordEdit(new ULineEdit(mDialogFrame))
    , mLoginButton(nullptr)
    , mErrorMessage(new QLabel(this))
{
    initializeAllWidget();
    setWindowFlags(windowFlags() | Qt::Window | Qt::FramelessWindowHint | Qt::WindowSystemMenuHint);
    mAccountEdit->setText(JsonObject::Instance()->defaultUser());
}

LoginDialog::~LoginDialog()
{
}

void LoginDialog::initializeAllWidget()
{
    this->setObjectName("loginform");

    initializeTitle();
    initializeDialogFrame();
    initializeLayout();
    initializeEdit();
    initializeLoginButton();
    initializeErrorMessage();

    connect(EventCenter::Default(), &EventCenter::DeviceErrorRaise, [=](QObject* parent, QObject* msg) {
        if (!this->isVisible()) return;
        //默认旧模式
        GUIMessageDialog msgDialog(this);
        msgDialog.setOpacity(1.0);
        if (msg)
        {
            QString* str = (QString*)msg;
            msgDialog.showMessage(*str);
        }
        else
        {
            msgDialog.showMessage("Something went error!");
        }
        msgDialog.stopLoading();
        msgDialog.showExitButton();
        msgDialog.exec();
        });
}

void LoginDialog::initializeLayout()
{
    mVMainLayout->setContentsMargins(0, 0, 0, 0);
    mVMainLayout->setSpacing(0);
    mVMainLayout->addSpacerItem(new QSpacerItem(20, 20, QSizePolicy::Minimum, QSizePolicy::Expanding));
    mVMainLayout->addWidget(mDialogTitle, 0, Qt::AlignCenter);
    mVMainLayout->addWidget(mDialogFrame, 0, Qt::AlignCenter);
    mVMainLayout->addSpacerItem(new QSpacerItem(20, 20, QSizePolicy::Minimum, QSizePolicy::Expanding));

    mDialogContentsLayout->setSpacing(30);
    mDialogContentsLayout->setContentsMargins(20, 60, 20, 20);
}

void LoginDialog::initializeTitle()
{
    mDialogTitle->setObjectName("title");
    mDialogTitle->setText(tr("U S C T"));
}

void LoginDialog::initializeDialogFrame()
{
    mDialogFrame->setObjectName("login_frame_username");
}

void LoginDialog::initializeEdit()
{
    mAccountEdit->setObjectName("combobox_UserName");
    mAccountEdit->setPlaceholderText(tr("Username"));
    mDialogContentsLayout->addWidget(mAccountEdit);
    mPasswordEdit->setObjectName("edt_Password");
    mPasswordEdit->setEchoMode(QLineEdit::Password);
    mPasswordEdit->setPlaceholderText(tr("Password"));
    mDialogContentsLayout->addWidget(mPasswordEdit);
}

void LoginDialog::initializeLoginButton()
{
    ADD_TOOL_BTN_TO_LAYOUT(login, ":/icons/login.png", mDialogContentsLayout);
    btnlogin->setText(tr("Login"));
    mDialogContentsLayout->removeWidget(btnlogin);
    mDialogContentsLayout->addWidget(btnlogin, 0, Qt::AlignCenter);
    mLoginButton = btnlogin;
    btnlogin->setObjectName("btnlogin");
    connect(mLoginButton, SIGNAL(clicked()), this, SLOT(doLogin()));
}

void LoginDialog::initializeErrorMessage()
{
    mErrorMessage->setObjectName("warn");
    mErrorMessage->setText("Login failed, username or password error!");
    mErrorMessage->setVisible(false);
    mDialogContentsLayout->addWidget(mErrorMessage, 0, Qt::AlignCenter);
}

void LoginDialog::clearInputData()
{
    mAccountEdit->clear();
    mPasswordEdit->clear();
}


void LoginDialog::doLogin()
{
    QString strUserCode = mAccountEdit->text();
    QString strPassWord = mPasswordEdit->text();

    QString encryptedPassword = strPassWord;
    strPassWord = "123456";

    QString encryptPwd = User::getEncryptedPassword(strPassWord);
    if (User::QueryUser(strUserCode, encryptPwd))
    {
        accept();
        LOG_USER_OPERATION(Login);
        JsonObject::Instance()->setDefaultUser(strUserCode);
    }
    else
    {
        mErrorMessage->setVisible(true);
    }
}