#include "mainwidget.h"
#include "ui_mainwidget.h"

MainWidget::MainWidget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::MainWidget)
{
    ui->setupUi(this);

    // 电脑初始化时加载的图片
    QPixmap firstImg;
    firstImg.load(":/imgs/scissors");
    ui->randImgsLable->setPixmap(firstImg);

    // 随机函数定义
    srand(time(NULL)); // 随时间变化的随机种子
//    randNum = rand() % 3; // 在 0-2 之间随机取值
    timer = new QTimer();









}

MainWidget::~MainWidget()
{
    delete ui;
}


void MainWidget::on_startGameBtn_clicked()
{
    numsOfGame++;
    connect(timer,&QTimer::timeout,[&](){
        randNum = rand() % 3; // 在 0-2 之间随机取值
        QPixmap nowImg = switchImgs(randNum); // 根据当前的随机值加载图片
        ui->randImgsLable->setPixmap(nowImg); // 将当前随机值对应的图片设置到主界面

        // 调试信息
        qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
                 <<", playerInputNum: "<<playerInputNum<<endl;
    });
    timer->start(0.05*1000); // 50ms

    // 更新游戏次数
    ui->numsOfGameLable->setText("游戏次数: " + QString::number(numsOfGame));
}

QPixmap MainWidget::switchImgs(int randNum)
{
    switch (randNum) {
    case rock:
        randImg = new QPixmap(":/imgs/rock"); // 随机数为 0 时, 加载拳头
        break;
    case paper:
        randImg = new QPixmap(":/imgs/paper"); // 随机数为 1 时, 加载布
        break;
    case scissors:
        randImg = new QPixmap(":/imgs/scissors"); // 随机数为 2 时, 加载剪刀
        break;
    default:
        randImg = new QPixmap(":/imgs/paper"); // 默认加载布
        break;
    }

    return *randImg;
}

void MainWidget::on_rockBtn_clicked()
{
    timer->stop(); // 随机数生成的计数器停止
    playerInputNum = rock; // 玩家出拳
    // 电脑不出“布”, 则玩家加 10 分, 否则减 3 分
    if(randNum != paper){
        currentScore+=10;
    } else {
        currentScore-=3;
    }

    // 调试信息
    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
             <<", playerInputNum: "<<playerInputNum<<endl;

    // 更新计分板
    ui->currentScoreLable->setText("当前得分: " + QString::number(currentScore));
}

void MainWidget::on_paperBtn_clicked()
{
    timer->stop(); // 随机数生成的计数器停止
    playerInputNum = paper; // 玩家出布
    // 电脑不出“剪刀”, 则玩家加 10 分, 否则减 3 分
    if(randNum != scissors){
        currentScore+=10;
    } else {
        currentScore-=3;
    }

    // 调试信息
    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
             <<", playerInputNum: "<<playerInputNum<<endl;

    // 更新计分板
    ui->currentScoreLable->setText("当前得分: " + QString::number(currentScore));
}

void MainWidget::on_scissorsBtn_clicked()
{
    timer->stop(); // 随机数生成的计数器停止
    playerInputNum = scissors; // 玩家出剪刀
    // 电脑不出“拳”, 则玩家加 10 分, 否则减 3 分
    if(randNum != rock){
        currentScore+=10;
    } else {
        currentScore-=3;
    }

    // 调试信息
    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
             <<", playerInputNum: "<<playerInputNum<<endl;

    // 更新计分板
    ui->currentScoreLable->setText("当前得分: " + QString::number(currentScore));
}

void MainWidget::on_clearBtn_clicked()
{
    // 统计数据重置为 0
    currentScore = 0;
    numsOfGame = 0;

    timer->stop(); // 随机数生成的计数器停止

    // 更新游戏次数
    ui->numsOfGameLable->setText("游戏次数: " + QString::number(numsOfGame));
    // 更新计分板
    ui->currentScoreLable->setText("当前得分: " + QString::number(currentScore));

    // 调试信息
    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
             <<", playerInputNum: "<<playerInputNum<<endl;
}