#include "login.h"
#include "ui_login.h"
#include <QMessageBox>
#include "signal.h"
#include <QSqlQuery>
#include <QString>
#include <QDebug>
#include "widget.h"
#include <QGraphicsDropShadowEffect> //设置阴影
#include <QMovie> // 包含QMovie的头文件

#include <QMediaPlayer>
#include <QMediaPlaylist>
#include <QUrl>

login::login(QWidget *parent) : QDialog(parent),
                                ui(new Ui::login)
{
    ui->setupUi(this);
    sign = new sign_in;
    w = new Widget;

    QMediaPlaylist *musicList = new QMediaPlaylist(this);  // 创建音乐播放列表
    musicList->addMedia(QUrl::fromLocalFile("D:/sparking111dui/111/park/yun.wav"));  // 添加本地音乐文件

    QMediaPlayer *soundPlayer = new QMediaPlayer(this);  // 创建音乐播放器
    soundPlayer->setPlaylist(musicList);  // 设置音乐播放列表
    soundPlayer->play();  // 播放音乐

    // 如果只有一首音乐，设置为循环播放
    musicList->setPlaybackMode(QMediaPlaylist::CurrentItemInLoop);
    soundPlayer->setVolume(80);

    //插入图片
    QPixmap house(":/house.jpg");
    ui->label_3->setPixmap(house);
    //设置阴影
    QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
    shadow->setOffset(-3, 0);
    shadow->setColor(QColor("#888888"));
    shadow->setBlurRadius(30);
    ui->label_3->setGraphicsEffect(shadow);

    //动图
    QMovie *movie = new QMovie(":/sun.gif");
    ui->label_2->setMovie(movie);
    movie->start();

    connect(ui->pass, &QLineEdit::returnPressed, this, &login::on_login_2_clicked);

    this->setWindowFlags(Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);

}

login::~login()
{
    delete ui;
    delete sign;
    delete w;
}

void login::on_exit_clicked()
{
    close();
}

void login::on_login_2_clicked()
{
    QString username = ui->name->text();
    QString userpwd = ui->pass->text();

    // 使用在 main 中创建的数据库连接
    QSqlDatabase db = QSqlDatabase::database("text01");

    if (!db.isOpen()) {
        QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
        return;
    }

    QString userQuery = QString("select * from user where name='%1' and pass='%2' ").arg(username).arg(userpwd);
    QSqlQuery query(db);  // 使用 db 对象来执行查询
    if (query.exec(userQuery) && query.next()) {
        w->show();
        this->hide();
    } else {
        QMessageBox::warning(this, tr("警告！"), tr("用户名或密码错误！"), QMessageBox::Yes);
        ui->name->clear();
        ui->pass->clear();
        ui->name->setFocus();
    }
}



void login::on_pushButton_clicked()
{
    sign->exec();
}