#pragma once

#include <QByteArray>
#include <QColor>
#include <QFont>
#include <QRegExpValidator>
#include <QStyledItemDelegate>
#include <QVector>

class HexColors {
public:
 const QVector<QColor> &compute(const QByteArray &dat, double ts, uint32_t freq);
 static QList<QVariant> toVariantList(const QVector<QColor> &colors);
 void clear();

private:
  const int periodic_threshold = 10;
  const int start_alpha = 128;
  const float fade_time = 2.0;
  QByteArray prev_dat;
  QVector<double> last_change_t;
  QVector<QColor> colors;
};

class MessageBytesDelegate : public QStyledItemDelegate {
  Q_OBJECT
public:
  MessageBytesDelegate(QObject *parent);
  void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
  QFont fixed_font;
};

inline QString toHex(const QByteArray &dat) { return dat.toHex(' ').toUpper(); }
inline char toHex(uint value) { return "0123456789ABCDEF"[value & 0xF]; }
inline const QString &getColor(int i) {
  // TODO: add more colors
  static const QString SIGNAL_COLORS[] = {"#9FE2BF", "#40E0D0", "#6495ED", "#CCCCFF", "#FF7F50", "#FFBF00"};
  return SIGNAL_COLORS[i % std::size(SIGNAL_COLORS)];
}

class NameValidator : public QRegExpValidator {
  Q_OBJECT

public:
  NameValidator(QObject *parent=nullptr);
  QValidator::State validate(QString &input, int &pos) const override;
};

namespace utils {
QPixmap icon(const QString &id);
}