#include <SPI.h>

#include <malloc.h>
#include <stdlib.h>
#include <stdio.h>

#define CTE_DUE_SHIELD
extern char _end;
extern "C" char *sbrk(int i);
char *ramstart = (char *)0x20070000;
char *ramend = (char *)0x20088000;

#include <Wire.h>
#include <EasyTransferI2C_NL.h>
#include <Time.h>
#include <TimeLib.h>
#include "Timezone.h"
TimeChangeRule usEDT = {"EDT", Second, Sun, Mar, 2, -240};  //Eastern Daylight Time = UTC - 4 hours
TimeChangeRule usEST = {"EST", First, Sun, Nov, 2, -300};   //Eastern Standard Time = UTC - 5 hours
Timezone usET(usEDT, usEST);
EasyTransferI2C_NL toESP;
EasyTransferI2C_NL toDUE;
#include <UTFT.h>
//#include <UTFT_CTE.h>
#include <UTFT_GHL.h>
#include <UTouch.h>
#include <UTFT_Geometry.h>
#include <FastLED.h>

#define NUM_LEDS 20
#define DATA_PIN A7
CRGB leds[NUM_LEDS]

#include <Encoder.h>
#include <Button.h>
#define encoderA 12
#define encoderB 11
#define encoderSw 19
#define encoderRed 8
#define encoderBlue 9
#define encoderGreen 10

Button select(encoderSw, false, true, 20);
Encoder navigation(encoderA, encoderB);
#define ENCODER_USE_INTERRUPTS
extern uint8_t Ubuntu[];
extern uint8_t timeFont[];
extern uint8_t arial_normal[];

UTFT myGLCD(CTE70CPLD, 25, 26, 27, 28);
UTouch myTouch(6, 5, 32, 3, 2);
UTFT_GHL CTE_LCD(&myGLCD);
UTFT_Geometry geo(&myGLCD);

byte LCDpage;
byte LCDpageActive;
bool redraw;
bool drawFlag;

bool confirmed;

byte timerArray[9][7];

#define onMinutes 0
#define onHours 1
#define offMinutes 2
#define offHours 3
#define amPMon 4
#define amPMoff 5
#define hasBeenSet 6

//Program Settings Screen
bool SetColorFlag = 1;
bool SetSpeedFlag = 1;
bool SetDimFlag = 1;

bool ColorInit = 1;
bool SpeedInit = 1;
bool DimInit = 1;
int RGBred;
int RGBblue;
int RGBgreen;
int ProgramSpeed;
int ProgramDim;

bool timerOnceOn = 1;
bool timerOnceOff = 1;

#define FLASH_CS_PIN 9
int touchArray[2];
#define xVal 0
#define yVal 1
byte touchDebounceTime = 250;
unsigned int touchDebounce = 0;
/*
  Reset 38
  WR 39
  RS 40
  CS 42
  SD_CS 41
  F_CS 43
  t_CS 45
  t_IRQ 46
*/
unsigned int dayLightsSavings = 3600;
byte currentTemp;
char P0weather[25];
unsigned int P0weatherIcon = 338;
byte currentFeel;
char windDirection[10];
byte windSpeed;
byte windGust;
byte todayHigh;
byte todayLow;
char P1weather[25];
unsigned int P1weatherIcon = 338;
byte tomorrowLow;
byte tomorrowHigh;
char P2weather[25];
unsigned int P2weatherIcon = 338;
byte ledArray[9];
#define zoneSelect 0
#define program 1
#define colorR 2
#define colorG 3
#define colorB 4
#define value 5
#define pSpeed 6
#define isON 7
#define setupFunction 8
//screens
#define zoneScreen 0
#define catagoryScreen 1
#define programScreen 2

byte catagory = 0;
byte HolidaySelection;

struct Weather_Icons {
  const unsigned int chanceFlurries = 296;
  const unsigned int chanceRain = 294;
  const unsigned int chanceSleet = 273;
  const unsigned int chanceSnow = 296;
  const unsigned int chanceTstorms = 293;
  const unsigned int clearW = 287;
  const unsigned int cloudy = 281;
  const unsigned int flurries = 268;
  const unsigned int fog = 275;
  const unsigned int hazy = 274;
  const unsigned int mostlyCloudy = 283;
  const unsigned int mostlySunny = 289;
  const unsigned int nightChFlurries = 301;
  const unsigned int nightChRain = 300;
  const unsigned int nightChSleet = 273;
  const unsigned int nightChSnow = 301;
  const unsigned int nightChTstorms = 302;
  const unsigned int nightClear = 286;
  const unsigned int nightCloudy = 281;
  const unsigned int nightFlurry = 268;
  const unsigned int nightFog = 275;
  const unsigned int nightHazy = 276;
  const unsigned int nightMostlyCloudy = 282;
  const unsigned int nightPartlyCloudy = 284;
  const unsigned int nightRain = 295;
  const unsigned int nightSleet = 273;
  const unsigned int nightSnow = 271;
  const unsigned int nightTstorms = 272;
  const unsigned int unknown = 303;
  const unsigned int partlyCloudy = 285;
  const unsigned int partlySunny = 285;
  const unsigned int rain = 295;
  const unsigned int sleet = 273;
  const unsigned int snow = 271;
  const unsigned int tStorms = 290;
} weatherIcons;

struct RECEIVE_DATA_STRUCTURE {
  unsigned long unixTime;
  bool ESPreply;
  byte weatherArray[12];
  bool ledsOn[8];
  //byte switchDataReturn[3];
  //byte recieverDataReturn[3];
};

//give a name to the group of data
RECEIVE_DATA_STRUCTURE toDUEData;


struct SEND_DATA_STRUCTURE {
  byte espProgramArray[9];
  bool ledsOn[8];
} __attribute__((packed));

SEND_DATA_STRUCTURE toESPdata;
//define slave i2c address
#define I2C_SLAVE_ADDRESS 42

void setup() {
  for(int i = 0; i < 9; i++){
    for(int j = 0; j < 7; j++){
      timerArray[i][j] = 0;
    }
  }
  LCDpageActive = 1;
  redraw = 1;
  toESPdata.espProgramArray[zoneSelect] = 9;
  myGLCD.InitLCD();
  myGLCD.clrScr();
  myGLCD.setColor(0, 255, 0);
  myGLCD.setBackColor(0, 0, 0);
  myGLCD.setFont(timeFont);
  myGLCD.print("Loading", 0, 0);
  CTE_LCD.SPI_Flash_init(52);
  myTouch.InitTouch();
  myTouch.setPrecision(PREC_HI);
  Serial.begin(115200);
  delay(500);
  Serial.println("Touscreen RX 0.9");

  Wire.begin(I2C_SLAVE_ADDRESS);
  // Wire.setClockStretchLimit(1500);
  Wire.setClock(5000L);
  Wire.onRequest(request);
  toDUE.begin(details(toDUEData), &Wire);
  toESP.begin(details(toESPdata), &Wire);
  //define handler function on receiving data
  Wire.onReceive(receive);

  pinMode(EncoderSw, INPUT);
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);

  for(int i = 0; i < NUM_LEDS; i++){
    leds[i].setHSV{0, 0, 128);
  }
  FastLED.show();
}

void watchdogSetup()
{
  watchdogEnable(2000);
}

void loop() {
  watchdogReset();
  //check and see if a data packet has come in.
  receiveandprint();
  if (drawFlag) {
    drawFlag = 0;
    drawScreen();
  }
  //handleTouches
  touchSense();
  if (millis() > 59999) {
    timerHandler();
  }
  /*char *heapend=sbrk(0);
    register char * stack_ptr asm ("sp");
    struct mallinfo mi=mallinfo();
    printf("\nDynamic ram used: %d\n",mi.uordblks);
    printf("Program static ram used %d\n",&_end - ramstart);
    printf("Stack ram used %d\n\n",ramend - stack_ptr);
    printf("My guess at free mem: %d\n",stack_ptr - heapend + mi.fordblks);
  */
};