QFD2/QFD/view/LoginView.cpp

#include "LoginView.h"

#include "LoginWidget.h"
#include "RegisterWidget.h"
#include "QFDConfig.h"

#include <dbService/ClassSet.h>

#include <Widgets/InfoBar.h>

#include <QPainter>
#include <QBoxLayout>
#include <QStackedWidget>

#include <QDebug>

LoginView::LoginView(QWidget *parent) : QWidget(parent)
{
    initialize();
    initLayout();
    setStackIndex(0);
    connectSignalsAndSlots();
}

void LoginView::paintEvent(QPaintEvent *event)
{
    QWidget::paintEvent(event);
    QPainter painter(this);
    QPixmap pixmap(":/resource/background/8.jpg");
    painter.drawPixmap(0, 0,
                       pixmap.scaled(width(), height(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation));
}

void LoginView::setStackIndex(int index)
{
    m_stackedWidget->setCurrentIndex(index % m_stackedWidget->count());
}

void LoginView::initialize()
{
    m_vBoxLayout     = new QVBoxLayout();
    m_stackedWidget  = new QStackedWidget(this);
    m_loginWidget    = new LoginWidget(this);
    m_registerWidget = new RegisterWidget(this);
}

void LoginView::initLayout()
{
    setLayout(m_vBoxLayout);
    m_vBoxLayout->setAlignment(Qt::AlignCenter);
    m_vBoxLayout->addWidget(m_stackedWidget);
    m_stackedWidget->addWidget(m_loginWidget);
    m_stackedWidget->addWidget(m_registerWidget);
}

void LoginView::connectSignalsAndSlots()
{
    connect(m_loginWidget, &LoginWidget::signalLogin, this, &LoginView::slotLogin);
    connect(m_loginWidget, &LoginWidget::signalCancel, this, &LoginView::slotCancelLogin);
    connect(m_registerWidget, &RegisterWidget::signalConfirm, this, &LoginView::slotConfirmAccount);
    connect(m_registerWidget, &RegisterWidget::signalCancel, this, &LoginView::slotCancelAccount);
    connect(m_stackedWidget, &QStackedWidget::currentChanged, this, &LoginView::slotStackIndexChanged);
}

/// 提示登录错误信息
void LoginView::showAlertWithCode(int code) const
{
    if (code == QF_CODE_SUCCEEDED) {
        return;
    }

    QString msg;

    if (code == QF_CODE_EMPTY_ACCOUNT) {
        msg = "账号不能为空";
    } else if (code == QF_CODE_EMPTY_PASSWORD) {
        msg = "密码不能为空";
    } else if (code == QF_CODE_USER_NOT_EXISTS) {
        msg = "用户不存在";
    } else if (code == QF_CODE_WRONG_PASSWORD) {
        msg = "密码错误";
    } else if (code == QF_CODE_PASSWORD_NOT_SAME) {
        msg = "两次输入密码不一致，请修改后重试";
    } else if (code == QF_CODE_PASSWORD_UNCHANGED) {
        msg = "不能与旧密码相同，请修改后重试";
    } else if (code == QF_CODE_DATA_ERROR) {
        msg = "数据错误";
    }

    if (!msg.isEmpty()) {
        InfoBar::warning("提示", msg, Qt::Horizontal, false, 2000, InfoBarPosition::TOP_RIGHT, topLevelWidget());
    }
}

// admin "21232f297a57a5a743894a0e4a801fc3"
void LoginView::slotLogin()
{
    QString account  = m_loginWidget->account();
    QString password = m_loginWidget->password();
    QFUser user(m_loginWidget->account(), m_loginWidget->password());
    int code = user.login();

    qDebug() << __FUNCTION__ << __LINE__ << "login code:" << code;

    if ((code == QF_CODE_SUCCEEDED || code == QF_CODE_ALREADY_LOGIN) && QFUser::currentUser() != nullptr) {
        m_loginWidget->saveAccountConfig();  // 登录成功后存储登录设置

        if (QFDConfig::roleType() == QFUser::SuperAdmin) {
            if (account == "admin" && password == "admin") {
                setStackIndex(m_stackedWidget->currentIndex() + 1);
            } else {
                emit signalLogin();
            }
        }
    } else {
        showAlertWithCode(code);
    }
}

void LoginView::slotCancelLogin()
{
    emit signalCancelLogin();
}

void LoginView::slotConfirmAccount()
{
    QString account        = m_registerWidget->account();
    QString password       = m_registerWidget->password();
    QString repeatPassword = m_registerWidget->repeatPassword();
    QFUser *user           = QFUser::currentUser();

    int code = user->resetAdmin(account, password, repeatPassword);
    qDebug() << __FUNCTION__ << __LINE__ << "reset code:" << code;
    showAlertWithCode(code);
}

void LoginView::slotCancelAccount()
{
    setStackIndex(m_stackedWidget->currentIndex() + 1);
}

void LoginView::slotStackIndexChanged()
{
    qDebug() << __FUNCTION__ << __LINE__;
}