#include "marketing.h"
#include "choose.h"

#include <QVBoxLayout>
#include <QPushButton>
#include <QPixmap>
#include <QResizeEvent>

marketing::marketing(QWidget *parent, choose *choosePage) :
    QWidget(parent),
    choosePage(choosePage)
{
    // 设置窗口大小
    resize(600, 420);
    setMinimumSize(600, 420);
    setMaximumSize(600, 420);

    // 垂直布局
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(0);

    // 背景图片
    imageLabel = new QLabel(this);
    originalPixmap.load(":/marketing.jpg");
    if (!originalPixmap.isNull()) {
        imageLabel->setPixmap(originalPixmap.scaled(size(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation));
    } else {
        imageLabel->setText("图片加载失败");
        imageLabel->setAlignment(Qt::AlignCenter);
    }
    imageLabel->setScaledContents(true);
    imageLabel->setAlignment(Qt::AlignCenter);
    layout->addWidget(imageLabel);
    setLayout(layout);

    // 公告文本框
    announcementEdit = new QTextEdit(this);
    announcementEdit->setText("停车场公告：\n"
                              "1. 请规范停放，车身完全入位，勿占消防通道、应急出口及他人专属车位。\n"
                              "2. 勿在车内存放现金、首饰等贵重物品，锁车后确认门窗是否关好。\n"
                              "3. 场内禁鸣笛、限速5km/h，儿童与宠物需成人全程看护。\n"
                              "4. 若遇车辆剐蹭、设备故障，联系管理员（电话：88888888）协助处理。\n"
                              "5. 遇暴雨、大风等恶劣天气，建议选择地下停车场或空旷且安全区域，避免车辆受损。\n"
                              "感谢您的理解与配合，祝您出行平安！");
    announcementEdit->setFixedSize(420, 250);
    announcementEdit->setStyleSheet(
        "QTextEdit {"
        "  font: 12px '微软雅黑';"
        "  padding: 10px;"
        "  background: rgba(255, 255, 255, 0);" // 背景透明
        "  color: #000000;"                     // 文字颜色
        "  border: none;"                        // 边框透明
        "  border-radius: 10px;"                 // 圆角可选
        "}"
        "QTextEdit:focus {"
        "  outline: none;"                        // 聚焦时去掉蓝框
        "  border: none;"                         // 聚焦时边框也透明
        "}"
    );

    announcementEdit->raise();

    // 发布按钮
    sendButton = new QPushButton("发布", this);
    sendButton->setFixedSize(80, 40);
    sendButton->setStyleSheet(
        "QPushButton {"
        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
        "                                    stop:0 #a0d8ef, stop:1 #70b8d6);"
        "  color: white;"
        "  font: bold 16px '微软雅黑';"
        "  border-radius: 10px;"
        "}"
        "QPushButton:hover {"
        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
        "                                    stop:0 #70b8d6, stop:1 #a0d8ef);"
        "}"
    );
    sendButton->raise();

    // 返回按钮
    backButton = new QPushButton("返回", this);
    backButton->setFixedSize(70, 35);
    backButton->setStyleSheet(
        "QPushButton {"
        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
        "                                    stop:0 #cdebb0, stop:1 #a8d88c);"
        "  color: white;"
        "  font: bold 15px '微软雅黑';"
        "  border-radius: 8px;"
        "}"
        "QPushButton:hover {"
        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
        "                                    stop:0 #a8d88c, stop:1 #cdebb0);"
        "}"
    );
    backButton->raise();

    // 发布按钮点击
    connect(sendButton, &QPushButton::clicked, this, [=]() {
        if (choosePage && !announcementEdit->toPlainText().isEmpty()) {
            choosePage->setAnnouncementText(announcementEdit->toPlainText());
        }
    });

    // 返回按钮点击
    connect(backButton, &QPushButton::clicked, this, [=]() {
        if (choosePage) {
            choosePage->show();
            this->hide();
        }
    });
}

void marketing::resizeEvent(QResizeEvent *event)
{
    QWidget::resizeEvent(event);

    // 背景图片自适应
    if (!originalPixmap.isNull()) {
        imageLabel->setPixmap(originalPixmap.scaled(size(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation));
    }

    // 文本框偏移
    int textboxX = (width() - announcementEdit->width()) / 2 - 10;
    int textboxY = (height() - announcementEdit->height()) / 2 - 20;
    announcementEdit->move(textboxX, textboxY);

    // 发布按钮左下方
    sendButton->move(
        textboxX - sendButton->width() + 370,                     // x 坐标
        textboxY + announcementEdit->height() - sendButton->height()/2 - 20  // y 坐标往上偏移 20
    );

    // 返回按钮左上角
    backButton->move(15, 15);
}

marketing::~marketing()
{
    // QWidget 自动释放子控件，无需 delete
}