#include "coaldistributchartwidget.h"
#include "ui_coaldistributchartwidget.h"

#include <QVBoxLayout>

CoalDistributChartWidget::CoalDistributChartWidget(QWidget *parent)
    : QWidget(parent), ui(new Ui::CoalDistributChartWidget) {

  initializeChart();    // 初始化图表
  initializeTimeAxis(); // 初始化时间轴

  // 设置定时器
  m_timer = new QTimer(this);
  connect(m_timer, &QTimer::timeout, this,
          &CoalDistributChartWidget::updateChart);

  ui->setupUi(this);
  m_timer->start(1000); // 每秒更新一次
}

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

void CoalDistributChartWidget::updateChart() {
  updateBarData();
  updateTimeAxis();
}

void CoalDistributChartWidget::initializeChart() {
  m_chart = new QChart(); // 将chart设为类成员
  m_series = new QBarSeries();

  // 创建柱状图数据
  m_barSet = new QBarSet("数据1");
  m_series->append(m_barSet);
  m_chart->addSeries(m_series);

  // 设置X轴为时间
  m_axisX = new QCategoryAxis();
  m_chart->addAxis(m_axisX, Qt::AlignBottom);
  m_series->attachAxis(m_axisX);

  // 设置Y轴为百分比
  m_axisY = new QValueAxis();
  m_axisY->setRange(0, 100); // 设置范围为0到100%
  m_chart->addAxis(m_axisY, Qt::AlignLeft);
  m_series->attachAxis(m_axisY);

  m_chart->setTitle("动态柱状图示例");

  auto *chartView = new QChartView(m_chart);
  chartView->setRenderHint(QPainter::Antialiasing);

  // 清空之前的布局，避免重复添加
  QLayout *currentLayout = this->layout();
  if (currentLayout) {
    QLayoutItem *item;
    while ((item = currentLayout->takeAt(0))) {
      delete item->widget(); // 删除现有的widget
      delete item;           // 删除布局项
    }
  }

  // 创建新的布局
  QVBoxLayout *newLayout = new QVBoxLayout(this); // 使用不同的变量名
  newLayout->addWidget(chartView);
  setLayout(newLayout);
}

void CoalDistributChartWidget::initializeTimeAxis() {
  for (int i = 0; i < 5; ++i) {
    m_axisX->append(
        QDateTime::currentDateTime().addSecs(i).toString("HH:mm:ss"), i);
  }
}

void CoalDistributChartWidget::updateBarData() {
  // 更新柱状图数据
  *m_barSet << qrand() % 101; // 随机生成0到100之间的值
}

void CoalDistributChartWidget::updateTimeAxis() {
  // 更新时间轴
  m_axisX->remove(0); // 移除第一个时间
  m_axisX->append(QDateTime::currentDateTime().toString("HH:mm:ss"),
                  4); // 添加新的时间
}