#ifndef ORBITHUB_TERMINAL_VIEW_H
#define ORBITHUB_TERMINAL_VIEW_H

#include <QTextEdit>

#include <array>

class QKeyEvent;
class QFocusEvent;
class QResizeEvent;

class TerminalView : public QTextEdit
{
    Q_OBJECT

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

    static QStringList themeNames();
    void setThemeName(const QString& themeName);
    void appendTerminalData(const QString& data);

signals:
    void inputGenerated(const QString& input);
    void terminalSizeChanged(int columns, int rows);

protected:
    void keyPressEvent(QKeyEvent* event) override;
    void focusInEvent(QFocusEvent* event) override;
    void resizeEvent(QResizeEvent* event) override;

private:
    struct ThemePalette {
        QString name;
        QColor background;
        QColor foreground;
        std::array<QColor, 8> normal;
        std::array<QColor, 8> bright;
    };

    ThemePalette m_palette;
    QString m_pendingEscape;
    QString m_rawHistory;
    bool m_bold;
    bool m_hasFgColor;
    bool m_hasBgColor;
    QColor m_fgColor;
    QColor m_bgColor;
    QTextCharFormat m_currentFormat;

    static ThemePalette paletteByName(const QString& themeName);
    static QColor colorFrom256Index(int index);

    void applyThemePalette(const ThemePalette& palette);
    void applyCurrentFormat();
    void resetSgrState();
    void handleSgrSequence(const QString& params);
    void appendTextChunk(const QString& text);
    QColor paletteColor(bool background, int index, bool bright) const;
    void processData(const QString& data, bool storeInHistory);
    int terminalColumns() const;
    int terminalRows() const;
    void emitTerminalSize();
};

#endif