#include "card.h"
#include <QDebug>
#include <QGraphicsSceneMouseEvent>
#include "shop.h"
#include <QApplication>
#include <QMimeData>
#include <QDrag>
const QVector<QString> Card::name = {"SunFlower","Peashooter","CherryBomb","WallNut",
                                    "SnowPea","PotatoMine","Repeater"};
const QMap<QString,int> Card::map = {{"SunFlower",0},{"PeaShooter",1},{"CherryBomb",2},
                                     {"WallNut",3},{"SnowPea",4},{"PotatoMine",5},
                                     {"Repeater",6}};
const QVector<int> Card::cost = {50,100,150,50,175,25,200};
const QVector<int> Card::cool = {227,227,606,606,227,606,227};

Card::Card(QString s)
{
    text=s;
    count = 0;
}

QRectF Card::boundingRect() const
{
    return QRectF(-50,-30,100,60);
}

void Card::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    Q_UNUSED(option);
    Q_UNUSED(widget);

    painter->scale(0.6,0.58);

    painter->drawPixmap(QRect(-50,-70,100,140),QPixmap(":/images/Card.png"));
    painter->drawPixmap(QRect(-35,-42,70,70),QPixmap(":/images/"+text+".png"));

    QFont font;
    font.setPointSize(15);
    painter->setFont(font);

    painter->drawText(-30,60,QString().sprintf("%3d",cost[map[text]]));

    //画冷却时的黑色阴影
    if(count < cool[map[text]])
    {
        QBrush brush(QColor(0,0,0,200));
        painter->setBrush(brush);
        painter->drawRect(QRectF(-48,-68,98,132*(1-qreal(count)/cool[map[text]])));
    }
}

void Card::advance(int phase)
{
    qDebug()<<"advance";

    if(!phase)
        return;

    update();

    if(count < cool[map[text]])
        ++count;
}

void Card::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
    //判断是否已经过了冷却时间
    if(count < cool[map[text]])
    {
        event->setAccepted(false);
    }

    //判断阳光数是否可以购买植物
    Shop *shop = qgraphicsitem_cast<Shop *>(parentItem());
    if(shop->sun < cost[map[text]])
    {
        event->setAccepted(false);
    }
}

void Card::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
    //过滤轻微的鼠标抖动
    if(QLineF(event->screenPos(),event->buttonDownScreenPos(Qt::LeftButton)).length()
            < QApplication::startDragDistance())
    {
        return;
    }

    //设置拖动的数据
    QMimeData *data = new QMimeData;
    data->setText(text);
    QImage image(":/images/"+text+".png");
    data->setImageData(image);

    //执行拖动的效果
    QDrag *drag = new QDrag(event->widget());
    drag->setMimeData(data);
    drag->setPixmap(QPixmap::fromImage(image));
    drag->setHotSpot(QPoint(35,35));
    drag->exec();
}