#ifndef ALARMEVENTDATAVIEW_H
#define ALARMEVENTDATAVIEW_H

#include "alarmEventGlobal.h"
#include <QWidget>
#include <QTableView>
#include <QAbstractTableModel>
#include <QStyledItemDelegate>

class AlarmEventDataFilter
{
public:
    AlarmEventDataFilter();

    void setTimeRange(const QDateTime& start, const QDateTime& end) {m_startTime = start; m_endTime = end;}
    void setStationFilter(const QString& station) {m_station = station;}
    void setBayFilter(const QString& bay) {m_bay = bay;}
    void setTypeFilter(int type) {m_type = type;}
    void setSeverityFilter(const QString& severity) {m_severity = severity;}
    void setDescriptionFilter(const QString& description) {m_description = description;}
    void setConfirmStatusFilter(int status) {m_status = status;}

    bool matches(const EventData& event);
    void clear();

private:
    QDateTime m_startTime;
    QDateTime m_endTime;
    QString m_station;
    QString m_bay;
    int m_type;
    QString m_severity;
    QString m_description;
    int m_status;
};

class QTimer;
class AlarmEventDataModel : public QAbstractTableModel
{
    Q_OBJECT

public:
    enum Column
    {
        Index,
        ReceiveTime,
        SOETime,
        Station,
        Bay,
        Description,
        Type,
        Severity,
        Status,
        Operation,
    };

    struct RowData
    {
        QVector<QVariant> values;
    };

    struct PaginationInfo
    {
        int totalEntries;
        int entriesPerPage;
        int totalPages;
        int currentPage;
    };

    struct SectionData
    {
        int width = -1;
        Column column;
        QString text;

        SectionData(QString t, int w, Column c)
            :text(t)
            ,column(c)
            ,width(w){}
    };

    explicit AlarmEventDataModel(QObject* parent = nullptr);
    ~AlarmEventDataModel();

    //QAbstractTableModel接口实现
    QModelIndex index(int row, int column, const QModelIndex& parent) const override;
    QVariant data(const QModelIndex& index, int role) const override;
    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
    //bool setData(const QModelIndex& index, const QVariant &value, int role = Qt::EditRole) override;
    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
    Qt::ItemFlags flags(const QModelIndex& index) const override;

    //自定义功能函数
    const QVector<SectionData> headerData() const {return m_headerData;}
    void setMode(AlarmDataMode mode) {m_dataMode = mode;}
    void setMaxRealTimeEvents(int value) {m_maxRealTimeEvents = value;}
    const int getMaxRealTimeEvents() const {return m_maxRealTimeEvents;}
    void setFilter(const AlarmEventDataFilter& filter);
    void applyFilter();
    void refresh();

private:
    void onTimeoutSimulateData();
    void onRealTimeEventReceived(const EventData& event);

private:
    void iniHeaderData();
    void updateCurPageData(); //更新当前页的数据
    void updateTotalCount(); //更新总记录数
    int findEventDataIndexById(const QString& eventId);
    void updateEventData(int index, const EventData& updatedEvent);

    QVector<EventData> m_displayEvents; //当前(页)展示的事件
    QVector<EventData> m_allEvents; //所有事件
    QVector<SectionData> m_headerData;
    PaginationInfo m_paginationInfo;

    QTimer* m_simulatedDataTimer;

    AlarmDataMode m_dataMode;
    AlarmEventDataFilter m_currentFilter;
    int m_maxRealTimeEvents;
};

class AlarmEventDataDelegate : public QStyledItemDelegate
{
    Q_OBJECT

public:
    explicit AlarmEventDataDelegate(QTableView* view, QObject* parent = nullptr);
    ~AlarmEventDataDelegate();

    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;

private:
    QTableView* m_tableView;
};

class QVBoxLayout;
class AlarmEventDataView : public QWidget
{
    Q_OBJECT

public:
    AlarmEventDataView(QWidget* parent = nullptr);
    ~AlarmEventDataView();

    void setModelMode(AlarmDataMode, int maxRealTimeEvents = 5);

private:
    QTableView* m_tableView;
    AlarmEventDataModel* m_tableModel;
    AlarmEventDataDelegate* m_delegate;
    QVBoxLayout* m_vLayout;
};

#endif