#pragma once
#include <QWidget>
#include <QPlainTextEdit>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QLineEdit>
#include <QPushButton>
#include <QCheckBox>
#include <QLabel>
#include <QSet>
#include <QRegularExpression>
#include <QTextDocument>

// RawView shows the raw UART output with timestamps, search (with next/
// previous navigation and wrap-around), tag suppression, unlimited history,
// H+V scrolling and a copy-to-clipboard button.
// Auto-scroll is ON by default.
class RawView : public QWidget
{
    Q_OBJECT

public:
    explicit RawView(QWidget *parent = nullptr);

public slots:
    void appendLine(const QString &line, const QSet<QString> &suppressedTags = {});
    void clear();

private slots:
    void onSearch(const QString &text);
    void onScrollValueChanged(int value);
    void onAutoScrollToggled(bool enabled);
    void copyToClipboard();
    void findNext();
    void findPrevious();

private:
    void setupUi();
    void applyColorScheme();
    // Searches for `text` starting at the current cursor, honouring `flags`
    // (e.g. QTextDocument::FindBackward). If nothing is found and
    // `wrapAllowed` is true, retries once from the start/end of the
    // document so search wraps around instead of dead-ending.
    bool searchAndSelect(const QString &text, QTextDocument::FindFlags flags, bool wrapAllowed);

    QPlainTextEdit *m_textEdit     = nullptr;
    QLineEdit      *m_searchEdit   = nullptr;
    QPushButton    *m_findPrevBtn  = nullptr;
    QPushButton    *m_findNextBtn  = nullptr;
    QPushButton    *m_clearBtn     = nullptr;
    QPushButton    *m_copyBtn      = nullptr;
    QCheckBox      *m_autoScrollCb = nullptr;
    QLabel         *m_lineCountLbl = nullptr;
    bool            m_autoScroll   = true;   // ON by default
    int             m_lineCount    = 0;

    static const QRegularExpression s_tagRe;
};