#ifndef COALSTATISTICSCHARTWIDGET_H
#define COALSTATISTICSCHARTWIDGET_H

#include <QWidget>
#include <QtCharts>

QT_CHARTS_USE_NAMESPACE
namespace Ui {
class CoalStatisticsChartWidget;
}

enum TimeUnit {
    Hour = 0, // 时
    Day = 1, // 天
    Month = 2, // 月
    Year = 3 // 年
};

class CoalStatisticsChartWidget : public QWidget {
    Q_OBJECT

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

private slots:

    /**
     * @brief on_pushButton_coalStatisOk_clicked 点击确定按钮
     */
    void on_pushButton_coalStatisOk_clicked();

private:
    /**
     * @brief initCoalStatisticsBarChart 初始化煤量统计柱状图
     */
    void initCoalStatisticsBarChart();

    /**
     * @brief getCoalStatisInfoByHttpRequest通过Http请求获取煤量统计信息
     */
    void getCoalStatisInfoByHttpRequest(const QString& startTime, const QString& endTime);

private:
    Ui::CoalStatisticsChartWidget* ui;

    QChart* m_chart;
    QChartView* m_chartView;
    QBarSeries* m_series;
    QDateTimeAxis* m_axisX;
    QValueAxis* m_axisY;

    QTimer* m_timer;

    QSettings* m_systemSetting;
};

#endif // COALSTATISTICSCHARTWIDGET_H