#pragma once

#include <QMainWindow>
#include <QSystemTrayIcon>
#include <QMenu>
#include <QQueue>
#include <QSet>
#include <QHash>
#include <QTimer>

class ChannelList;
class MessageList;
class AccountList;
class DbManager;
class QSplitter;
class UtunNode;
class AudioRecorder;
class ConnMonitorWindow;
class VideoPlayerWindow;
class ImageViewerWindow;
class CallWindow;
class CallAudioEngine;

struct AutoPlayItem {
    QString channelId;
    qint64  msgId = 0;
    bool    downloadStarted = false;
    float   durationSec = 0.0f;
};

class MainWindow : public QMainWindow {
    Q_OBJECT
public:
    explicit MainWindow(QWidget *parent, DbManager* db, const QString& cfgPath,
                         const QString& dbPath = QString(),
                         const QString& debugFile = QString(),
                         const QString& debugLevel = QString(),
                         const QString& debugCategories = QString());
    ~MainWindow() override;

protected:
    void closeEvent(QCloseEvent *event) override;

private slots:
    void onTrayActivated(QSystemTrayIcon::ActivationReason reason);
    void showShareInviteDialog(const QString& channelId);
    void showInviteByLinkDialog(const QString& channelId);
    void showJoinDialog();
    void onCreateGroupRequested();
    void showSettings();
    void showConnMonitor();
    void openVideo(const QString& filePath);
    void openImage(const QString& filePath);
    void showChannelSettings(const QString& channelId);
    void autoPlayTimerTick();

public:
    void onMessageReceived(const char* ch_id, int ch_id_len, uint64_t author);
    void onMemberList(const QString& chId, int count, const uint8_t* data, int dataLen);
    void onMemberUpdated(const QString& chId, const uint8_t* data);
    void onMemberRemoved(const QString& chId, uint64_t nodeId);
    void onAutoConnectStatus(uint8_t status, uint16_t total, uint16_t totalNodes, uint16_t connected);
    void onChannelPeersOnline(const char* ch_id, int ch_id_len, uint16_t online);
    void reloadChannels();
    void onAttachmentDownloadedForAutoPlay(const QString& chId, int64_t msgId);
    void requestShutdown();
    UtunNode* utunNode() const { return m_node; }

    /* звонки */
    void onCallRequested(const QString& chId, quint64 nodeId, const QString& name);
    void onCallIncoming(const QString& chId, quint64 caller, quint64 callId);
    void onCallRinging(quint64 callId);
    void onCallAccepted(quint64 callId);
    void onCallEnded(quint64 callId, uint8_t reason);
    void closeCallWindow(quint64 callId);

    /* DM (p2p чат) */
    void onPmRequested(const QString& chId, quint64 nodeId, const QString& name);
    void onDmConvUpdated(const QString& convId);
    void onDmMsgReceived(const QString& convId, quint64 author);

private:
    void setupUi();
    void saveWindowGeometry();
    void restoreWindowGeometry();
    void setupTray();
    void setupNode();
    void setupMessaging();
    void setupSoundFromConfig();
    void setupBridgeCallbacks();
    void setupConnects();
    void onShutdownCheck();
    void autoPlayCheckNewMessage(const QString& channelId);
    QString autoPlayMediaDir() const;

    ChannelList     *m_channelList;
    MessageList     *m_messageList;
    AccountList     *m_accountList;
    QSplitter       *m_splitter = nullptr;
    QSystemTrayIcon *m_trayIcon;
    QMenu           *m_trayMenu;
    DbManager       *m_db;
    UtunNode        *m_node = nullptr;
    QString          m_cfgPath;
    QString          m_cfgDbPath;
    QString          m_cfgDebugFile;
    QString          m_cfgDebugLevel;
    QString          m_cfgDebugCategories;
    QString          m_pendingChannelSelect;
    QString          m_currentChannelId;
    AudioRecorder    *m_recorder = nullptr;
    ConnMonitorWindow *m_connMonitor = nullptr;
    VideoPlayerWindow *m_videoPlayer = nullptr;
    ImageViewerWindow *m_imageViewer = nullptr;

    QQueue<AutoPlayItem> m_autoPlayQueue;
    QTimer*              m_autoPlayTimer = nullptr;
    QTimer*              m_shutdownTimer = nullptr;
    QSet<int64_t>        m_autoPlayDownloading;  /* msgIds with download in progress */

    QHash<quint64, CallWindow*> m_activeCalls;   /* call_id → окно звонка */
};