#ifndef WAVEFORMWIDGET_H
#define WAVEFORMWIDGET_H

#include <QWidget>
#include <QPushButton>
#include <QLabel>
#include <QComboBox>
#include <QSpinBox>
#include <QDoubleSpinBox>
#include <QTableWidget>
#include <QTimer>
#include <QVector>
#include <QCheckBox>

/**
 * @brief 波形采集页面
 *
 * 功能说明：
 * - 信号采集和记录
 * - 生成曲线功能
 * - 采集速率≤25ms/点
 * - 采集通道数≥2
 * - 采集电压/电流信号
 * - 自动计算最大/最小/平均值
 */
class WaveformWidget : public QWidget
{
  Q_OBJECT

public:
  explicit WaveformWidget(QWidget *parent = nullptr);
  ~WaveformWidget() = default;

signals:
  void backRequested();

private slots:
  void onStartCapture();
  void onStopCapture();
  void onClearData();
  void onExportData();
  void onTimerTick();

private:
  void setupUI();
  QWidget *createTitleBar();
  QWidget *createConfigPanel();
  QWidget *createWaveformDisplay();
  QWidget *createDataPanel();
  QWidget *createStatisticsPanel();
  void updateStatistics();
  void addDataPoint(double ch1Value, double ch2Value);

  // 标题栏
  QPushButton *m_backBtn;
  QLabel *m_titleLabel;

  // 配置面板
  QComboBox *m_signalTypeCombo;
  QComboBox *m_sampleRateCombo;
  QSpinBox *m_durationSpin;
  QCheckBox *m_ch1Enable;
  QCheckBox *m_ch2Enable;

  // 控制按钮
  QPushButton *m_startBtn;
  QPushButton *m_stopBtn;
  QPushButton *m_clearBtn;
  QPushButton *m_exportBtn;

  // 波形显示
  QWidget *m_waveformArea;
  QLabel *m_ch1Label;
  QLabel *m_ch2Label;

  // 数据表格
  QTableWidget *m_dataTable;

  // 统计信息
  QLabel *m_ch1MaxLabel;
  QLabel *m_ch1MinLabel;
  QLabel *m_ch1AvgLabel;
  QLabel *m_ch2MaxLabel;
  QLabel *m_ch2MinLabel;
  QLabel *m_ch2AvgLabel;

  // 采集状态
  QTimer *m_captureTimer;
  bool m_isCapturing;
  QVector<double> m_ch1Data;
  QVector<double> m_ch2Data;
  int m_dataIndex;
};

#endif // WAVEFORMWIDGET_H