#include "parkingLotItem.h"
#include "ParkingLotWidget.h"
#include <QDebug>
#include <QPainter>

ParkingLotItem::ParkingLotItem(QGraphicsPixmapItem *parent): QGraphicsPixmapItem(parent)
{
    // 找到xml文件路径
    QString filePath = __FILE__;
    QStringList list = filePath.split("\\");
    QString result;
    for (int i = 0; i < list.size() - 1; i++)
        result.append(list.at(i)).append("\\");
    QStringList l = {"parkinglot_b1.xml", "parkinglot_f1.xml"};
    for (int i = 0; i < 2; i++) {
        QString t(result);
        m_xml_path.push_back(t.append(l.at(i)));
    }
    m_cars.resize(m_num_of_layer);  // 停在每一层的车
    m_waitting.resize(m_num_of_entry); // 在每个入口等待的车
    for (uint i = 0; i < m_num_of_layer; i++) {
        ParkingLotWidget* widget = new ParkingLotWidget(Q_NULLPTR, m_xml_path.at(i));  // 生成一个widget
        m_pixmap.push_back(new QPixmap(widget->size()));  // 创建一层的pixmap
        qDebug() << "widget size x=" << widget->size().width() << " y=" <<widget->size().height();
        widget->render(m_pixmap[i]);  // 渲染pixmap
        m_max_capacity.push_back(widget->getCapacity());  // 获得这一层的最大容量
        m_cars[i].resize(m_max_capacity.at(i));  // 初始化一层的车位
        m_name.push_back(widget->getName());  // 这一层的名字
        m_num_of_cars.push_back(0);  // 初始停车数量为0
        delete widget;  // 删除widget

        QPainter painter(m_pixmap[i]);
        painter.setPen(Qt::red);
        painter.drawRect(0, 0, m_pixmap[i]->width() - 1, m_pixmap[i]->height() - 1);
    }
    showParkingLot(1);
}

void ParkingLotItem::showParkingLot(uint pos)
{
    if (pos >= m_num_of_layer) {
        qDebug() << "ParkingLotItem: 层数错误";
        return;
    }
    setPixmap(*m_pixmap.at(pos));
}