//  Copyright (C) 2020-2024  Jiří Maier

//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.

//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.

//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <https://www.gnu.org/licenses/>.

#ifndef MYTERMINAL_H
#define MYTERMINAL_H

#include <QApplication>
#include <QClipboard>
#include <QColor>
#include <QDebug>
#include <QGuiApplication>
#include <QMap>
#include <QTableWidget>
#include <QTableWidgetItem>
#include <QTimer>

#include "global.h"

using namespace TerminalMode;

class MyTerminal : public QTableWidget {
  Q_OBJECT
 public:
  explicit MyTerminal(QWidget* parent = nullptr);
  QByteArray nearestColorCode(QColor color);
  ~MyTerminal();
  QMap<QString, QColor> colorCodes;
  void setColorExceptionList(QList<QColor> newlist, bool isBlacklist);

  /// Převede kód na barvu, kód musí obsahovat 3/4 na začátku a nesmí mít m na konci
  bool colorFromSequence(QByteArray code, QColor& clr);

  void changeFont(bool smallFont);
  void changeSize(bool isWide);

 private:
  struct BlinkedItem {
    bool blinkInProggres = false;
    QColor originalBack;
    QColor originalFront;
    int r, c;
  } blinkedItem;

  QTimer clickBlinkTimer;
  TerminalMode::enumTerminalMode mode = clicksend;
  QByteArray buffer;

  void printChar(QChar text);
  void moveCursorAbsolute(int16_t x, int16_t y);
  void moveCursorRelative(int16_t x, int16_t y) { moveCursorAbsolute(cursorX + x, cursorY + y); }
  void clearLine();
  void clearLine(uint16_t line);
  void clearLineLeft();
  void clearLineRight();
  void clearUp();
  void clearDown();
  void setUnderline(bool underlined) { font.setUnderline(underlined); }
  void setBold(bool bold) { font.setBold(bold); }
  void printText(QByteArray text);
  void parseFontEscapeCode(QByteArray data);
  void parseEscapeCode(QByteArray data);
  uint16_t cursorX = 0;
  uint16_t cursorY = 0;
  uint16_t cursorX_saved = 0;
  uint16_t cursorY_saved = 0;
  QColor fontColor = Qt::white;
  QColor backColor = Qt::black;
  QFont font = QFont("Courier New", 16, QFont::Normal);
  int cellWidth, cellHeight;
  bool smallFont;
  bool isWide;
  void resetFont();
  bool isSmallest(uint8_t number, QVector<uint8_t> list);
  void clearTerminal();
  void highLightField(QTableWidgetItem* field);
  void addRows(int newCount);
  void addColumns(int newCount);
  void clearCell(int x, int y);
  bool exeptionListIsBlacklist = false;
  QList<QColor> exceptionList;
  int fontCols();

 private slots:

  void resetBlinkedItem();

  void characterClicked(int r, int c);

  // Aby se dvojité kliknutí chovalo jako dvě kliknutí
  void characterDoubleClicked(int r, int c) { characterClicked(r, c); }

 public slots:
  void printToTerminal(QByteArray data);
  void setMode(TerminalMode::enumTerminalMode mode);
  void resetTerminal();
  void copyToClipboard();
  void setScrollBar(bool show);

 signals:
  /// Pošle zprávu do výpisu
  void sendMessage(QByteArray header, QByteArray message, MessageLevel::enumMessageLevel type, MessageTarget::enumMessageTarget target = MessageTarget::serial1);
  /// Pošle data pro zapsání do portu
  void writeToSerial(QByteArray byte);
  /// Byl změněn mód
  void modeChanged(TerminalMode::enumTerminalMode mode);

 public:
  uint32_t colorCodes256[256] = {0x000000, 0x800000, 0x008000, 0x808000, 0x000080, 0x800080, 0x008080, 0xc0c0c0, 0x808080, 0xff0000, 0x00ff00, 0xffff00, 0x0000ff, 0xff00ff, 0x00ffff, 0xffffff, 0x000000, 0x00005f, 0x000087, 0x0000af, 0x0000d7, 0x0000ff, 0x005f00, 0x005f5f, 0x005f87, 0x005faf,
                                 0x005fd7, 0x005fff, 0x008700, 0x00875f, 0x008787, 0x0087af, 0x0087d7, 0x0087ff, 0x00af00, 0x00af5f, 0x00af87, 0x00afaf, 0x00afd7, 0x00afff, 0x00d700, 0x00d75f, 0x00d787, 0x00d7af, 0x00d7d7, 0x00d7ff, 0x00ff00, 0x00ff5f, 0x00ff87, 0x00ffaf, 0x00ffd7, 0x00ffff,
                                 0x5f0000, 0x5f005f, 0x5f0087, 0x5f00af, 0x5f00d7, 0x5f00ff, 0x5f5f00, 0x5f5f5f, 0x5f5f87, 0x5f5faf, 0x5f5fd7, 0x5f5fff, 0x5f8700, 0x5f875f, 0x5f8787, 0x5f87af, 0x5f87d7, 0x5f87ff, 0x5faf00, 0x5faf5f, 0x5faf87, 0x5fafaf, 0x5fafd7, 0x5fafff, 0x5fd700, 0x5fd75f,
                                 0x5fd787, 0x5fd7af, 0x5fd7d7, 0x5fd7ff, 0x5fff00, 0x5fff5f, 0x5fff87, 0x5fffaf, 0x5fffd7, 0x5fffff, 0x870000, 0x87005f, 0x870087, 0x8700af, 0x8700d7, 0x8700ff, 0x875f00, 0x875f5f, 0x875f87, 0x875faf, 0x875fd7, 0x875fff, 0x878700, 0x87875f, 0x878787, 0x8787af,
                                 0x8787d7, 0x8787ff, 0x87af00, 0x87af5f, 0x87af87, 0x87afaf, 0x87afd7, 0x87afff, 0x87d700, 0x87d75f, 0x87d787, 0x87d7af, 0x87d7d7, 0x87d7ff, 0x87ff00, 0x87ff5f, 0x87ff87, 0x87ffaf, 0x87ffd7, 0x87ffff, 0xaf0000, 0xaf005f, 0xaf0087, 0xaf00af, 0xaf00d7, 0xaf00ff,
                                 0xaf5f00, 0xaf5f5f, 0xaf5f87, 0xaf5faf, 0xaf5fd7, 0xaf5fff, 0xaf8700, 0xaf875f, 0xaf8787, 0xaf87af, 0xaf87d7, 0xaf87ff, 0xafaf00, 0xafaf5f, 0xafaf87, 0xafafaf, 0xafafd7, 0xafafff, 0xafd700, 0xafd75f, 0xafd787, 0xafd7af, 0xafd7d7, 0xafd7ff, 0xafff00, 0xafff5f,
                                 0xafff87, 0xafffaf, 0xafffd7, 0xafffff, 0xd70000, 0xd7005f, 0xd70087, 0xd700af, 0xd700d7, 0xd700ff, 0xd75f00, 0xd75f5f, 0xd75f87, 0xd75faf, 0xd75fd7, 0xd75fff, 0xd78700, 0xd7875f, 0xd78787, 0xd787af, 0xd787d7, 0xd787ff, 0xd7af00, 0xd7af5f, 0xd7af87, 0xd7afaf,
                                 0xd7afd7, 0xd7afff, 0xd7d700, 0xd7d75f, 0xd7d787, 0xd7d7af, 0xd7d7d7, 0xd7d7ff, 0xd7ff00, 0xd7ff5f, 0xd7ff87, 0xd7ffaf, 0xd7ffd7, 0xd7ffff, 0xff0000, 0xff005f, 0xff0087, 0xff00af, 0xff00d7, 0xff00ff, 0xff5f00, 0xff5f5f, 0xff5f87, 0xff5faf, 0xff5fd7, 0xff5fff,
                                 0xff8700, 0xff875f, 0xff8787, 0xff87af, 0xff87d7, 0xff87ff, 0xffaf00, 0xffaf5f, 0xffaf87, 0xffafaf, 0xffafd7, 0xffafff, 0xffd700, 0xffd75f, 0xffd787, 0xffd7af, 0xffd7d7, 0xffd7ff, 0xffff00, 0xffff5f, 0xffff87, 0xffffaf, 0xffffd7, 0xffffff, 0x080808, 0x121212,
                                 0x1c1c1c, 0x262626, 0x303030, 0x3a3a3a, 0x444444, 0x4e4e4e, 0x585858, 0x626262, 0x6c6c6c, 0x767676, 0x808080, 0x8a8a8a, 0x949494, 0x9e9e9e, 0xa8a8a8, 0xb2b2b2, 0xbcbcbc, 0xc6c6c6, 0xd0d0d0, 0xdadada, 0xe4e4e4, 0xeeeeee
                                };

  // QWidget interface
protected:
  void resizeEvent(QResizeEvent *event);
};

#endif // MYTERMINAL_H
