#pragma once

#include <QWidget>

class QTextEdit;
class QPushButton;
class QLabel;
class QProgressBar;
class EmojiPanel;
class AudioRecorder;

class InputBar : public QWidget {
    Q_OBJECT
public:
    explicit InputBar(EmojiPanel *emojiPanel, AudioRecorder *recorder,
                      QWidget *parent = nullptr);

    void setRecordingContext(const QString& mediaDirBase, const QString& channelId);

signals:
    void sendMessage(const QString &text);
    void sendVoiceMessage(const QString& mediaSrc, const QString& mediaDest,
                          int durationMs, const QString& waveformStr);
    void sendFileAttachment(const QString& mediaSrc, const QString& mediaDest,
                            const QString& displayName);

protected:
    bool eventFilter(QObject *obj, QEvent *event) override;
    void resizeEvent(QResizeEvent* event) override;

private slots:
    void onSendClicked();
    void adjustInputHeight();
    void onPttPressed();
    void onPttReleased();
    void onAttachClicked();
    void clearPendingAttachment();
    void updateRecordingUI(int ms);
    void showRecordOverlay();
    void hideRecordOverlay();

private:
    static QString formatFileSize(qint64 bytes);

    QTextEdit    *m_input;
    QPushButton  *m_emojiBtn;
    QPushButton  *m_pttBtn;
    QPushButton  *m_attachBtn = nullptr;
    EmojiPanel   *m_emojiPanel;
    AudioRecorder *m_recorder;
    QWidget      *m_recordOverlay = nullptr;
    QLabel       *m_recordLabel = nullptr;
    QPushButton  *m_cancelRecBtn = nullptr;
    QProgressBar *m_levelBar = nullptr;
    QWidget      *m_attachPreview = nullptr;
    QLabel       *m_attachPreviewLabel = nullptr;
    QPushButton  *m_attachClearBtn = nullptr;
    bool m_pttActive = false;
    QString m_voiceFilePath;
    QString m_mediaDirBase;
    QString m_channelIdForRecord;
    QString m_pendingAttachSrc;
    QString m_pendingAttachDest;
    QString m_pendingAttachName;
    qint64 m_pendingAttachSize = 0;
};