#ifndef NOTEBOOKPAGE_H
#define NOTEBOOKPAGE_H

#include "chatwidget.h"
#include "notebookpage.h"
#include "notebookpagedroppreview.h"
#include "notebooktab.h"

#include <QDragEnterEvent>
#include <QHBoxLayout>
#include <QRect>
#include <QVBoxLayout>
#include <QVector>
#include <QWidget>

class NotebookPage : public QWidget
{
    Q_OBJECT

public:
    NotebookPage(QWidget *parent, NotebookTab *tab);
    NotebookTab *tab;

    std::pair<int, int> removeFromLayout(ChatWidget *widget);
    void addToLayout(ChatWidget *widget, std::pair<int, int> position);

    const std::vector<ChatWidget *> &
    getChatWidgets() const
    {
        return chatWidgets;
    }

    static bool isDraggingSplit;
    static ChatWidget *draggingSplit;
    static std::pair<int, int> dropPosition;

protected:
    void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;

    void enterEvent(QEvent *);
    void leaveEvent(QEvent *);
    void mouseReleaseEvent(QMouseEvent *event);

    void dragEnterEvent(QDragEnterEvent *event) Q_DECL_OVERRIDE;
    void dragMoveEvent(QDragMoveEvent *event) Q_DECL_OVERRIDE;
    void dragLeaveEvent(QDragLeaveEvent *event) Q_DECL_OVERRIDE;
    void dropEvent(QDropEvent *event) Q_DECL_OVERRIDE;

    struct DropRegion {
        QRect rect;
        std::pair<int, int> position;

        DropRegion(QRect rect, std::pair<int, int> position)
        {
            this->rect = rect;
            this->position = position;
        }
    };

    QVBoxLayout parentbox;
    QHBoxLayout hbox;

    std::vector<ChatWidget *> chatWidgets;
    std::vector<DropRegion> dropRegions;

    NotebookPageDropPreview preview;

private:
    void setPreviewRect(QPoint mousePos);
};

#endif  // NOTEBOOKPAGE_H