#pragma once

#include <QWidget>
#include <QStandardItemModel>
#include <QHash>
#include <QTimer>

class ChatView;
class InputBar;
class InputBar;
class EmojiPanel;
class DbManager;
class ChannelList;
class AudioRecorder;

class MessageList : public QWidget {
    Q_OBJECT
public:
    explicit MessageList(DbManager* db = nullptr, AudioRecorder* recorder = nullptr,
                         QWidget *parent = nullptr);

    void loadChannel(const QString& channelId);
    void refresh();
    void reloadLocalNicks();
    void saveChannelState();
    static void cleanupAnimations();
    void updateMessageProgress(const QString& chId, int64_t msgId, int blocksDone, int numBlocks);
    void onAttachmentDownloaded(const QString& chId, int64_t msgId);
    void onDmMessages(const uint8_t* data, int len);

signals:
    void readPositionChanged(const QString& channelId, qint64 lastReadMsgId);
    void openVideoRequested(const QString& filePath);
    void openImageRequested(const QString& filePath);

private:
    ChatView           *m_view;
    QStandardItemModel *m_model;
    InputBar           *m_inputBar;
    EmojiPanel         *m_emojiPanel;
    DbManager          *m_db;
    QString              m_currentChannelId;
    bool                 m_animHoverActive = false;
    QHash<quint64, QColor> m_avatarCache;
    qint64                m_lastReadMsgId = 0;
    QTimer*               m_readDebounce;
    qint64                m_savedTopMsgId = 0;
    bool                  m_wasAtBottom = false;
    QMap<quint64, QString> m_localNicks;
    AudioRecorder* m_recorder = nullptr;

    QString authorName(quint64 nodeId) const;
    void restoreScrollPosition(const QString& channelId);
    void updateReadPosition();
    void onMessageContextMenu(const QPoint& pos);
    void requestDmMessages(const QString& channelId);
    static bool isDmChannel(const QString& channelId);
    static QString dmConvId(const QString& channelId);
};