#ifndef SIGNALMEASUREMENTWIDGET_H
#define SIGNALMEASUREMENTWIDGET_H

#include <QWidget>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QStackedWidget>
#include <QScrollArea>
#include <QLabel>
#include <QPushButton>
#include <QComboBox>
#include <QLineEdit>
#include <QDoubleSpinBox>
#include <QGroupBox>
#include <QTableWidget>
#include <QHeaderView>
#include <QTimer>
#include <QRadioButton>
#include <QButtonGroup>
#include <QCheckBox>
#include <QProgressBar>
#include <QSplitter>
#include "../hardware/channelmanager.h"
#include "channelstatuswidget.h"

/**
 * @brief 信号测量功能模块基类
 * 提供统一的工业风格UI框架
 */
class MeasurementModuleBase : public QWidget
{
  Q_OBJECT

public:
  explicit MeasurementModuleBase(const QString &title, QWidget *parent = nullptr);

protected:
  // 创建标准样式的输入控件
  QLineEdit *createStyledInput(const QString &placeholder = "", int width = 120);
  QDoubleSpinBox *createStyledSpinBox(double min, double max, int decimals = 2, int width = 120);
  QComboBox *createStyledComboBox(const QStringList &items, int width = 150);
  QPushButton *createPrimaryButton(const QString &text, int width = 120);
  QPushButton *createSecondaryButton(const QString &text, int width = 100);
  QLabel *createValueDisplay(const QString &value = "---", int width = 180);
  QGroupBox *createStyledGroupBox(const QString &title);

  // 添加带标签的输入行
  QHBoxLayout *createLabeledRow(const QString &label, QWidget *widget, const QString &unit = "");

  // 统一样式常量
  static const QString CARD_STYLE;
  static const QString INPUT_STYLE;
  static const QString PRIMARY_BTN_STYLE;
  static const QString SECONDARY_BTN_STYLE;
  static const QString VALUE_DISPLAY_STYLE;
  static const QString LABEL_STYLE;
  static const QString GROUPBOX_STYLE;

  QVBoxLayout *m_mainLayout;
  QString m_title;
};

/**
 * @brief 热电阻测量模块
 * 支持2/3/4线热电阻测量和PT100输出
 * 整合ChannelManager进行通道管理
 */
class RTDMeasurementWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  enum RTDType
  {
    PT100,
    PT1000,
    CU50,
    CU100
  };
  enum MeasurementMode
  {
    TWO_WIRE_MODE,
    THREE_WIRE_MODE,
    FOUR_WIRE_MODE
  };

  explicit RTDMeasurementWidget(QWidget *parent = nullptr);
  ~RTDMeasurementWidget();

signals:
  void measurementDataReady(double resistance, double temperature);

protected:
  bool eventFilter(QObject *obj, QEvent *event) override;

private slots:
  void onMeasureClicked();
  void onStopClicked();
  void onWireTypeChanged(int index);
  void onChannelSelected(ChannelManager::ChannelId channelId);
  void updateMeasurement();

private:
  void setupUI();
  void setupChannelSelection();
  void updateChannelSelection();
  void updateConnectionModeVisibility();
  void generateSimulatedData();
  double convertResistanceToTemperature(double resistance);
  bool validateChannelForMode();

  // 通道管理
  ChannelManager *m_channelManager;
  QMap<ChannelManager::ChannelId, ChannelStatusWidget *> m_channelWidgets;
  ChannelManager::ChannelId m_selectedChannel;
  ChannelManager::ChannelId m_currentChannel;
  QTimer *m_measurementTimer;

  // 测量状态
  bool m_isMeasuring;
  MeasurementMode m_currentMode;
  RTDType m_currentRTDType;
  double m_currentResistance;
  double m_currentTemperature;

  // UI控件
  QWidget *m_channelSelectionWidget;
  QComboBox *m_wireTypeCombo;
  QComboBox *m_rtdTypeCombo;
  QLabel *m_resistanceDisplay;
  QLabel *m_temperatureDisplay;
  QLabel *m_lineResDisplay;
  QLabel *m_channelStatusLabel;
  QLabel *m_wiringDiagramLabel;
  QPushButton *m_measureBtn;
  QPushButton *m_stopBtn;
};

/**
 * @brief PT100输出模块 - 双通道
 * 支持两个通道的PT100温度输出
 */
class RTDOutputWidget : public MeasurementModuleBase
{
  Q_OBJECT

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

private slots:
  void onChannel1OutputClicked();
  void onChannel1StopClicked();
  void onChannel2OutputClicked();
  void onChannel2StopClicked();
  void onChannel1TempChanged(double value);
  void onChannel2TempChanged(double value);

private:
  void setupUI();
  double convertTemperatureToResistance(double temperature);

  // 输出状态
  bool m_isChannel1Outputting;
  bool m_isChannel2Outputting;

  // 通道1控件
  QDoubleSpinBox *m_channel1TempSpin;
  QLabel *m_channel1ResDisplay;
  QPushButton *m_channel1OutputBtn;
  QPushButton *m_channel1StopBtn;

  // 通道2控件
  QDoubleSpinBox *m_channel2TempSpin;
  QLabel *m_channel2ResDisplay;
  QPushButton *m_channel2OutputBtn;
  QPushButton *m_channel2StopBtn;
};

/**
 * @brief 热电偶测量模块
 * 支持热电偶电压测量和毫伏输出
 */
class ThermocoupleMeasurementWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit ThermocoupleMeasurementWidget(QWidget *parent = nullptr);

private slots:
  void onMeasureClicked();
  void onOutputClicked();

private:
  void setupUI();

  QComboBox *m_tcTypeCombo;         // K/J/T/E/S/R/B型选择
  QLabel *m_voltageDisplay;         // 电压显示(mV)
  QLabel *m_temperatureDisplay;     // 温度显示
  QDoubleSpinBox *m_outputTempSpin; // 输出温度设置
  QLabel *m_outputVoltageDisplay;   // 输出电压显示
  QPushButton *m_measureBtn;
  QPushButton *m_outputBtn;
};

/**
 * @brief 绝缘电阻测量模块
 * 支持50V/100V绝缘电阻测量
 */
class InsulationMeasurementWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit InsulationMeasurementWidget(QWidget *parent = nullptr);

private slots:
  void onMeasureClicked();
  void onAutoTestToggled(bool enabled);

private:
  void setupUI();

  QRadioButton *m_50vRadio;
  QRadioButton *m_100vRadio;
  QCheckBox *m_autoTestCheck;        // 自动测试
  QLabel *m_insulationDisplay;       // 绝缘电阻显示
  QLabel *m_statusDisplay;           // 状态显示
  QProgressBar *m_dischargeProgress; // 放电进度
  QPushButton *m_measureBtn;
};

/**
 * @brief 直流电流信号模块
 * 支持0-20mA电流输出/测量
 */
class DCCurrentWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit DCCurrentWidget(QWidget *parent = nullptr);

private slots:
  void onMeasureClicked();
  void onOutputClicked();

private:
  void setupUI();

  QRadioButton *m_activeRadio;  // 有源模式
  QRadioButton *m_passiveRadio; // 无源模式
  QLabel *m_currentDisplay;     // 电流显示
  QLabel *m_maxDisplay;         // 最大值
  QLabel *m_minDisplay;         // 最小值
  QLabel *m_avgDisplay;         // 平均值
  QDoubleSpinBox *m_outputSpin; // 输出设置
  QPushButton *m_measureBtn;
  QPushButton *m_outputBtn;
};

/**
 * @brief 直流电压信号模块
 * 支持0-20V电压输出/测量
 */
class DCVoltageWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit DCVoltageWidget(QWidget *parent = nullptr);

private slots:
  void onMeasureClicked();
  void onOutputClicked();

private:
  void setupUI();

  QLabel *m_voltageDisplay;
  QLabel *m_maxDisplay;
  QLabel *m_minDisplay;
  QLabel *m_avgDisplay;
  QDoubleSpinBox *m_outputSpin;
  QPushButton *m_measureBtn;
  QPushButton *m_outputBtn;
};

/**
 * @brief 频率信号模块
 * 支持频率测量和方波/正弦波输出
 */
class FrequencyWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit FrequencyWidget(QWidget *parent = nullptr);

private slots:
  void onMeasureClicked();
  void onOutputClicked();
  void onWaveTypeChanged(int index);

private:
  void setupUI();

  QLabel *m_frequencyDisplay;
  QComboBox *m_waveTypeCombo;      // 方波/正弦波
  QDoubleSpinBox *m_freqSpin;      // 频率设置
  QDoubleSpinBox *m_amplitudeSpin; // 幅值设置
  QPushButton *m_measureBtn;
  QPushButton *m_outputBtn;
};

/**
 * @brief 220VAC测量模块
 */
class ACVoltageWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit ACVoltageWidget(QWidget *parent = nullptr);

private slots:
  void onMeasureClicked();

private:
  void setupUI();

  QLabel *m_voltageDisplay;
  QLabel *m_frequencyDisplay;
  QPushButton *m_measureBtn;
};

/**
 * @brief 开关量检测模块
 */
class SwitchDetectionWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit SwitchDetectionWidget(QWidget *parent = nullptr);

private slots:
  void onDetectClicked();

private:
  void setupUI();

  QRadioButton *m_resistanceMode; // 电阻通断模式
  QRadioButton *m_voltageMode;    // 电压模式
  QLabel *m_statusDisplay;        // 通断状态
  QLabel *m_valueDisplay;         // 测量值
  QPushButton *m_detectBtn;
};

/**
 * @brief 信号采集记录模块
 */
class SignalAcquisitionWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit SignalAcquisitionWidget(QWidget *parent = nullptr);

private slots:
  void onStartClicked();
  void onStopClicked();
  void onExportClicked();

private:
  void setupUI();

  QComboBox *m_channel1Type;  // 通道1类型
  QComboBox *m_channel2Type;  // 通道2类型
  QDoubleSpinBox *m_rateSpin; // 采集速率
  QTableWidget *m_dataTable;  // 数据表格
  QPushButton *m_startBtn;
  QPushButton *m_stopBtn;
  QPushButton *m_exportBtn;
  QTimer *m_acquisitionTimer;
};

/**
 * @brief 斜波信号输出模块
 */
class RampSignalWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit RampSignalWidget(QWidget *parent = nullptr);

private slots:
  void onStartClicked();
  void onStopClicked();

private:
  void setupUI();

  QComboBox *m_signalType;       // 电压/电流
  QDoubleSpinBox *m_startValue;  // 起始值
  QDoubleSpinBox *m_endValue;    // 结束值
  QDoubleSpinBox *m_rampRate;    // 斜波速率
  QLabel *m_currentValueDisplay; // 当前值
  QProgressBar *m_rampProgress;
  QPushButton *m_startBtn;
  QPushButton *m_stopBtn;
};

/**
 * @brief 电源纹波检测模块
 */
class RippleDetectionWidget : public MeasurementModuleBase
{
  Q_OBJECT

public:
  explicit RippleDetectionWidget(QWidget *parent = nullptr);

private slots:
  void onDetectClicked();
  void onDiagnoseClicked();

private:
  void setupUI();

  QLabel *m_rippleDisplay;     // 纹波值
  QLabel *m_diagnosisDisplay;  // 诊断结果
  QLabel *m_confidenceDisplay; // 置信度
  QPushButton *m_detectBtn;
  QPushButton *m_diagnoseBtn;
};

/**
 * @brief 信号测量主页面
 * 包含所有测量功能模块的导航
 */
class SignalMeasurementWidget : public QWidget
{
  Q_OBJECT

public:
  explicit SignalMeasurementWidget(QWidget *parent = nullptr);

  void setModule(int moduleIndex);

signals:
  void backRequested();

private slots:
  void onBackClicked();
  void onModuleSelected(int index);

private:
  void setupUI();
  void setupContentArea();

  QStackedWidget *m_contentStack;
  QLabel *m_titleLabel;
  int m_currentModuleIndex;

  // 各功能模块
  RTDMeasurementWidget *m_rtdWidget;
  RTDOutputWidget *m_rtdOutputWidget;
  ThermocoupleMeasurementWidget *m_tcWidget;
  InsulationMeasurementWidget *m_insulationWidget;
  DCCurrentWidget *m_dcCurrentWidget;
  DCVoltageWidget *m_dcVoltageWidget;
  FrequencyWidget *m_frequencyWidget;
  ACVoltageWidget *m_acVoltageWidget;
  SwitchDetectionWidget *m_switchWidget;
  SignalAcquisitionWidget *m_acquisitionWidget;
  RampSignalWidget *m_rampWidget;
  RippleDetectionWidget *m_rippleWidget;
};

#endif // SIGNALMEASUREMENTWIDGET_H