#include "dp4loginwidget.h"
#include "login_module_interface.h"

#include <QComboBox>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLineEdit>
#include <QLabel>
#include <QPushButton>
#include <QPixmap>
#include <QAction>
#include <QMessageBox>
#include <QPushButton>
#include <QEvent>
#include <QDebug>

Dp4LoginWidget::Dp4LoginWidget(QWidget *parent)
    : QWidget(parent)
    , m_topWidget(nullptr)
    , m_labelImage(nullptr)
    , m_labelOtherUser(nullptr)
    , m_labelText(nullptr)
    , m_layout(nullptr)
    , m_environment(nullptr)
    , m_username(nullptr)
    , m_password(nullptr)
    , m_pbForgetPassword(nullptr)
    , m_callback(nullptr)
    , m_callbackData(new dss::module::AuthCallbackData)
{
    initUi();
}

Dp4LoginWidget::~Dp4LoginWidget()
{
}

void Dp4LoginWidget::setCallback(dss::module::LoginCallBack *callback)
{
    m_callback = callback;
}

void Dp4LoginWidget::updateAuthenResult(int type, int state)
{
    Q_UNUSED(type);
    dss::module::AuthState AuthState = static_cast<dss::module::AuthState>(state);
    switch (AuthState) {
    case dss::module::AuthState::AS_Success: {
        // TODO: 登陆成功，此处从界面上修改登陆成功的状态(这里的提示框三为了验证结果，后续实际开发建议不要用这种方式)
        QMessageBox(QMessageBox::Information, tr("Logon"), tr("success")).exec();
        break;
    }
    case dss::module::AuthState::AS_Failure: {
        // TODO: 登陆失败，从界面上体现登录失败的状态，(这里的提示框三为了验证结果，后续实际开发建议不要用这种方式)
        QMessageBox(QMessageBox::Warning, tr("Logon"), tr("failure")).exec();
        break;
    }
    default: {
        // TODO: 其他状态，根据需要决定是否列举出来，例如正在登陆等状态，看看界面是否需要处理，
        // 根据实际情况看看是否需要加上case分支，这里暂时统一按照default（由开发人员自行添加case分支）
        break;
    }
    }
}

void Dp4LoginWidget::setMessage(const QString &type, const QString &message)
{
    // 接收界面发送的消息
    if (type == QString("account_error")) {
        // TODO 如果是账户错误，就在界面上体现出来，此处暂时使用消息框代替，具体怎么做由开发人员自己定义
        QMessageBox(QMessageBox::Critical, tr("Logon"), message).exec();
    }
}

void Dp4LoginWidget::setCurrentAccount(const QString &accountName, const QString &fullname, const QString &avatar)
{
    // TODO: 切换账户后，会处罚该函数，请在此处完善(这里设置在切换账户后把当前的用户名设置为切换后的用户名，具体业务请开发根据实际要求来)
    // accountName为登录账户名，fullname为当前账户在控制中心显示的名称，avatar表示当前用户的图标，就是控制中心设置的那个图标
    m_username->setText(accountName);
    m_password->clear();
    qDebug() << "accountName" << accountName << fullname << avatar;
}

void Dp4LoginWidget::Logon()
{
    // TODO: 这里由开发人员自行添加dp的验证流程，如果在dde-session-shell验证之前，请在这里写验证流程，
    // 如果在dde-session-shell，请在后面写(由开发人员根据实际情况来决定)

    // 这里将用户名和密码传给dde-session-shell,由dde-session-shell来处理DA的验证，
    if (m_callback)
    {
        m_callbackData->account = m_username->text().trimmed().toStdString();
        m_callbackData->token = m_password->text().trimmed().toStdString();
        m_callback->authCallbackFun(m_callbackData, m_callback->app_data);
    }
    //QMessageBox(QMessageBox::Information, tr("Logon"), tr("Environment:") + m_environment->currentText() + "\n" + tr("Username:") + m_username->text() + "\nPassword:" + m_password->text()).exec();
}

void Dp4LoginWidget::ResetPassword()
{
    QMessageBox(QMessageBox::Information,tr("Forget Password"),tr("Forget Password")).exec();
    //    QMessageBox(QMessageBox::Information,QIcon::themeName(),QIcon::themeSearchPaths().join("\n")).exec();
}

void Dp4LoginWidget::initUi()
{
    m_topWidget = new QWidget(this);
    m_layout = new QVBoxLayout(m_topWidget);
    m_layout->setContentsMargins(100, 0, 100, 0);//left,top,right,bottom
    QPixmap pixmap(USER_ICON);
    m_labelImage = new QLabel(m_topWidget);
    m_labelImage->setPixmap(pixmap);
    m_labelImage->setMinimumHeight(pixmap.height());
    m_layout->addWidget(m_labelImage, 0, Qt::AlignHCenter);
    m_labelOtherUser = new QLabel(tr("Other User"), this);
    m_layout->addWidget(m_labelOtherUser, 0, Qt::AlignCenter);
    m_username = new QLineEdit(m_topWidget);
    m_username->setPlaceholderText(tr("Username"));
    m_username->setStyleSheet("background-color:royalblue;");
    m_layout->addWidget(m_username);
    m_password = new QLineEdit(m_topWidget);
    m_password->setPlaceholderText(tr("Password"));
    m_password->setEchoMode(QLineEdit::PasswordEchoOnEdit);
    m_password->setStyleSheet("background-color:royalblue;");
    connect(m_password->addAction(QIcon::fromTheme("media-playback-start"), QLineEdit::TrailingPosition), &QAction::triggered, this, [this] { this->Logon(); });
    m_layout->addWidget(m_password);
    m_environment = new QComboBox(m_topWidget);
    m_environment->addItem(tr("Production"));
    m_environment->addItem(tr("Development"));
    m_environment->setStyleSheet("background-color:royalblue;");
    m_layout->addWidget(m_environment);
    m_pbForgetPassword = new QPushButton(tr("Forget Password"), m_topWidget);
    m_pbForgetPassword->setFlat(true);
    connect(m_pbForgetPassword, &QPushButton::released, this, [this] { this->ResetPassword(); });
    m_layout->addWidget(m_pbForgetPassword);
    QString warningText = QString(tr("When you click the '➔' button or press 'Enter', indicates you understand and accept the following usage policy.")) + "\n\n"
            + QString(tr("'Unauthorized use of this Computer Terminal is a Criminal Offence under the Laws of Hong Kong.'"));
    m_labelText = new QLabel(m_topWidget);
    m_labelText->setWordWrap(true);
    m_labelText->setText(warningText);
    m_layout->addWidget(m_labelText);
    m_layout->addStretch();
    m_labelText->installEventFilter(this);

    QVBoxLayout *mainLayout = new QVBoxLayout(this);
    mainLayout->addWidget(m_topWidget);
}

bool Dp4LoginWidget::eventFilter(QObject *watchd, QEvent *event)
{
    if (watchd == m_labelText && event->type() == QEvent::Resize) {
        int height = m_labelImage->height() + m_labelOtherUser->height() +
                m_username->height() + m_password->height() +
                m_environment->height() + m_pbForgetPassword->height() +
                m_labelText->height() + m_layout->spacing() * 6 +
                m_layout->contentsMargins().top() + m_layout->contentsMargins().bottom();

        m_topWidget->setFixedHeight(height);
    }

    return QWidget::eventFilter(watchd, event);
}