#ifndef FLOWGRAPHNODEWIDGET_H
#define FLOWGRAPHNODEWIDGET_H

#include <QWidget>

class QLabel;
class QCheckBox;
class QComboBox;
class QSpinBox;

class QVBoxLayout;

class FlowGraphNodeWidget : public QWidget
{
    Q_OBJECT

public:
    enum NodeWidgetType
    {
        Plain,
        CheckBox,
        ComboBox,
        SpinBox,
    };

    explicit FlowGraphNodeWidget(NodeWidgetType type, QWidget *parent = nullptr);

    NodeWidgetType type() const;

signals:

protected:
    NodeWidgetType m_type = Plain;
    QVBoxLayout *m_layout = nullptr;
};

class FlowGraphPlainNodeWidget : public FlowGraphNodeWidget
{
    Q_OBJECT
public:
    explicit FlowGraphPlainNodeWidget(QWidget *parent = nullptr);

    void setText(const QString text);

private:
    QLabel *m_label = nullptr;
};

class FlowGraphCheckNodeWidget : public FlowGraphNodeWidget
{
    Q_OBJECT
public:
    explicit FlowGraphCheckNodeWidget(QWidget *parent = nullptr);

private:
    QCheckBox *m_checkBox = nullptr;
};

class FlowGraphComboNodeWidget : public FlowGraphNodeWidget
{
    Q_OBJECT
public:
    explicit FlowGraphComboNodeWidget(QWidget *parent = nullptr);

    QList<QString> items() const;
    void setItems(QList<QString> items);

private:
    QComboBox *m_combo = nullptr;

    QList<QString> m_items;
};

class FlowGraphSpinNodeWidget : public FlowGraphNodeWidget
{
    Q_OBJECT
public:
    explicit FlowGraphSpinNodeWidget(QWidget *parent = nullptr);

private:
    QSpinBox *m_spinBox = nullptr;
};

#include <SchemePlanManager.h>

class FlowGraphCommonNodeWidget : public QWidget
{
    Q_OBJECT
public:
    explicit FlowGraphCommonNodeWidget(QWidget *parent = nullptr);

    SchemePlanManager::SchemeProcessInfo process() const;

    void setProcess(SchemePlanManager::SchemeProcessInfo &i);

    void setProcessId(int id);

    bool isTitleHidden() const;

    void setAllowEdit(bool allow);

signals:
    void sigProcessEdited(SchemePlanManager::SchemeProcessInfo process);

protected:
    void initWidget();

    void connectSignalsAndSlots();

    void loadInfo();

    QString title() const;
    QList<SchemePlanManager::Algorithm> optionalAlgs() const;
    QList<SchemePlanManager::SchemeDataSource> optionaldSource() const;
    bool isOptional() const;

protected slots:
    void slotAlgComboChanged(int index);
    void slotDataComboChanged(int index);
    void slotSpinBoxChanged(int value);
    void slotCheckBoxChanged();

private:
    SchemePlanManager::SchemeProcessInfo m_process;

    QLabel *m_label        = nullptr;
    QComboBox *m_algCombo  = nullptr;
    QComboBox *m_dataCombo = nullptr;
    QSpinBox *m_spinBox    = nullptr;
    QCheckBox *m_checkBox  = nullptr;

    QVBoxLayout *m_layout = nullptr;

    bool m_isLoaded = false;

    bool m_allowEdit = true;
};

#endif  // FLOWGRAPHNODEWIDGET_H