/*
 * This file is part of the "bluetoothheater" distribution 
 * (https://gitlab.com/mrjones.id.au/bluetoothheater) 
 *
 * Copyright (C) 2018  Ray Jones <ray@mrjones.id.au>
 *
 * 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/>.
 * 
 */

#include "128x64OLED.h"
#include "OtherOptionsScreen.h"
#include "KeyPad.h"
#include "../Utility/helpers.h"
#include "../Utility/UtilClasses.h"
#include "../Utility/NVStorage.h"
#include "../Utility/GPIO.h"
#include "fonts/Icons.h"



COtherOptionsScreen::COtherOptionsScreen(C128x64_OLED& display, CScreenManager& mgr) : CPasswordScreen(display, mgr) 
{
}

void 
COtherOptionsScreen::onSelect()
{
  CScreenHeader::onSelect();
  _rowSel = 0;
  _repeatCount = -1;
  _frameRate = NVstore.getUserSettings().FrameRate; 
  _dispTimeout = NVstore.getUserSettings().dimTime; 
  _menuTimeout = NVstore.getUserSettings().menuTimeout; 
}

void
COtherOptionsScreen::_initUI()
{
}

bool 
COtherOptionsScreen::show()
{
  char msg[16];

  _display.clearDisplay();

  if(!CPasswordScreen::show()) {  // for showing "saving settings"

    if(_rowSel == 4) {
      _printInverted(_display.xCentre(), 0, " Saving Settings ", true, eCentreJustify);
      _printMenuText(_display.xCentre(), 35, "Press UP to", false, eCentreJustify);
      _printMenuText(_display.xCentre(), 43, "confirm save", false, eCentreJustify);
    }
    else {
      _printInverted(_display.xCentre(), 0, " Time Intervals ", true, eCentreJustify);
      
      // data frame refresh rate
      _drawBitmap(15, 13, RefreshIconInfo);
      sprintf(msg, "%dms", _frameRate);
      _printMenuText(40, 14, msg, _rowSel == 3);

      // display timeout
      _drawBitmap(10, 26, DisplayTimeoutIconInfo);
      if(_dispTimeout) {
        float mins = float(abs(_dispTimeout)) / 60000.f;
        sprintf(msg, "%s %0.1f min%s",  (_dispTimeout < 0) ? "Blank" : "Dim", mins, mins < 2 ? "" : "s");
        _printMenuText(40, 26, msg, _rowSel == 2);
      }
      else 
        _printMenuText(40, 26, "Always on", _rowSel == 2);

      // menu timeout
      _drawBitmap(10, 38, MenuTimeoutIconInfo);
      if(_menuTimeout) {
        float mins = float(abs(_menuTimeout)) / 60000.f;
        sprintf(msg, "Home %0.1f min%s", mins, mins < 2 ? "" : "s");
        _printMenuText(40, 38, msg, _rowSel == 1);
      }
      else 
        _printMenuText(40, 38, "Disabled", _rowSel == 1);

/*      if(_rowSel == 0)
        _printMenuText(_display.xCentre(), 53, " \021     Exit     \020 ", _rowSel == 0, eCentreJustify);
      else {
        _display.drawFastHLine(0, 52, 128, WHITE);
        _printMenuText(_display.xCentre(), 56, "\030\031Sel          \033\032 Adj", false, eCentreJustify);
        _printMenuText(_display.xCentre(), 56, "Save", false, eCentreJustify);
      }*/
    }
  }
  return true;
}

bool 
COtherOptionsScreen::animate()
{
  if(_rowSel != 4) {
    int yPos = 53;
    int xPos = _display.xCentre();
    const char* pMsg = NULL;
    switch(_rowSel) {
      case 0:
        _printMenuText(xPos, yPos, " \021  \030Edit  Exit   \020 ", true, eCentreJustify);
        break;
      case 1:
        _display.drawFastHLine(0, 52, 128, WHITE);
        pMsg = "                    No keypad activity returns to the home menu.                    ";
        _scrollMessage(56, pMsg, _scrollChar);
        break;
      case 2:
        _display.drawFastHLine(0, 52, 128, WHITE);
        pMsg = "                    No keypad activity either dims or blanks the display. Hold Left or Right to toggle Dim/Blank mode.                    ";
        _scrollMessage(56, pMsg, _scrollChar);
        break;
      case 3:
        _display.drawFastHLine(0, 52, 128, WHITE);
        pMsg = "                    Define the polling rate of the bluewire communications.                    ";
        _scrollMessage(56, pMsg, _scrollChar);
        break;
    }
    return true;
  }
  return false;
}

bool 
COtherOptionsScreen::keyHandler(uint8_t event)
{
  if(event & keyPressed) {
    _repeatCount = 0;
    // UP press
    if(event & key_Up) {
      if(_rowSel == 4) {
        sUserSettings settings = NVstore.getUserSettings();
        settings.dimTime = _dispTimeout;
        settings.menuTimeout = _menuTimeout;
        settings.FrameRate = _frameRate;
        NVstore.setUserSettings(settings);
        NVstore.save();
        _showStoringMessage();
        _rowSel = 0;
      }
      else {
        _scrollChar = 0;
        _rowSel++;
        UPPERLIMIT(_rowSel, 3);
      }
    }
    // UP press
    if(event & key_Down) {
      _scrollChar = 0;
      _rowSel--;
      LOWERLIMIT(_rowSel, 0);
    }
    // CENTRE press
    if(event & key_Centre) {
      if(_rowSel == 0) {
        _ScreenManager.selectMenu(CScreenManager::RootMenuLoop);  // force return to main menu
      }
      else {
        _rowSel = 4;
      }
    }
  }

  if(event & keyRepeat) {
    if(keyRepeat >= 0) {
      _repeatCount++;
      if(_repeatCount > 4) {
        // LEFT or RIGHT hold
        if(event & (key_Right | key_Left)) {
          if(_rowSel == 2) {
            _repeatCount = -1;
            _dispTimeout = -_dispTimeout;
          }
        }
      }
    }
  }

  if(event & keyReleased) {
    if(_repeatCount == 0) {
      // LEFT short press
      if(event & key_Left) {
        if(_rowSel == 0)
          _ScreenManager.prevMenu();
        else 
          adjust(-1);
      }
      // RIGHT short press
      if(event & key_Right) {
        if(_rowSel == 0)
          _ScreenManager.nextMenu();
        else 
          adjust(+1);
      }
    }
  }

  _ScreenManager.reqUpdate();

  return true;
}

void
COtherOptionsScreen::adjust(int dir)
{
  switch(_rowSel) {
    case 1: 
      _menuTimeout += dir * 30000;
      LOWERLIMIT(_menuTimeout, 0);
      UPPERLIMIT(_menuTimeout, 300000);
      break;
    case 2: 
      _dispTimeout += dir * 30000;
      LOWERLIMIT(_dispTimeout, -600000);
      UPPERLIMIT(_dispTimeout, 600000);
      break;
    case 3:
      _frameRate += dir * 50;
      LOWERLIMIT(_frameRate, 300);
      UPPERLIMIT(_frameRate, 1500);
      break;
  }
}