#pragma once

#include <QStyledItemDelegate>

enum ChannelDataRole {
    ChannelNameRole             = Qt::DisplayRole,
    ChannelIconRole             = Qt::DecorationRole,
    ChannelLastMessageRole      = Qt::UserRole + 1,
    ChannelChannelIdRole        = Qt::UserRole + 2,
    ChannelPeersOnlineRole      = Qt::UserRole + 3,  /* int: count of online peers */
    ChannelAutoConnectActiveRole = Qt::UserRole + 4, /* bool: 1 if auto-connect in progress */
    ChannelInviteBtnHoveredRole  = Qt::UserRole + 5, /* bool: 1 when mouse hovers invite button */
    ChannelUnreadCountRole      = Qt::UserRole + 6, /* int: unread message count, 0 if none */
    ChannelLastMsgAtRole        = Qt::UserRole + 7  /* qint64: last message timestamp for sorting */
};

class ChannelDelegate : public QStyledItemDelegate {
    Q_OBJECT
public:
    explicit ChannelDelegate(QObject *parent = nullptr);

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

    static constexpr int InviteBtnSize = 18;
    static QRect inviteButtonRect(const QRect &itemRect);
};