#include <Arduino.h>
#include <Looper.h>

#define useEEPROM 1
// #define TempSensorMax
#define TempSensorDallas
// #define PlotValues

// #include <Wire.h>
#include <GyverOLED.h>
#include "GyverEncoder.h"

#if useEEPROM
#include <EEPROM.h>
#endif

#ifdef TempSensorMax
  #include <max6675.h>
  // MAX6675 configuration
  int max_SO = 12;
  int max_CS = 10;
  int max_SCK = 13;
  MAX6675 thermocouple(max_SCK, max_CS, max_SO);
#endif
#ifdef TempSensorDallas
  #include <OneWire.h>
  #include <DallasTemperature.h>
  #define ONE_WIRE_BUS 9
  OneWire oneWire(ONE_WIRE_BUS);

  // Pass our oneWire reference to Dallas Temperature. 
  DallasTemperature sensors(&oneWire);
#endif

// OLED configuration
// GyverOLED<SSD1306_128x64> oled;
GyverOLED<SSD1306_128x64, OLED_NO_BUFFER> oled;

// Encoder configuration
#define CLK 5
#define DT 6
#define SW 7
Encoder enc1(CLK, DT, SW, TYPE2);

// SSR pin configuration
const int ssrPin = 2;
const int triacPwm = 10;
const int activeBuzzerPin = 8;

// Profile structure definition
struct Phase {
  int temperature;
  int duration; // in minutes
};

struct Profile {
  const char* name;
  int transitionMinutesPerDegree;
  Phase phases[6]; // Maximum of 6 phases per profile
  int numPhases;
};

// Profiles definition
Profile profiles[] = {
  {"Chickpeas", 1, {{46, 120}, {55, 60}, {65, 150}, {70, 60}, {90, 105}}, 5},
  {"Chickpeas long", 1, {{46, 120}, {55, 120}, {65, 120}, {72, 240}, {85, 300}}, 5},
  {"Lentils", 3, {{46, 120}, {53, 120}, {65, 180}, {72, 90}, {90, 15}}, 5},
  {"Gradual", 10, {{46, 120}, {90, 30}}, 2},
  {"Long gradual", 15, {{46, 120}, {80, 60}, {90, 15}}, 3},
  {"Wheat", 1, {{46, 120}, {53, 40}, {65, 40}, {72, 40}, {85, 40}}, 5},
  // {"Amazake", 1, {{51, 480}}, 1},
  {"37, 3 days", 1, {{37, 1440}, {37, 1440}, {37, 1440}}, 3},
  // {"SV", 0, {{46, 45}}, 1},
  // {"Yoghurt maker", 0, {{40, 300}, {40, 300}, {30, 300}}, 3},
  // {"TEST", 0, {{46, 1}}, 1},
};

// Global variables for profile selection and execution
int activeProfileIndex = 100;  // 100 indicates no profile selected yet
int selectedProfileIndex = 0;  // Index of the currently selected profile in the selection mode
Profile activeProfile;         // The active profile once selected

// Global variables for current phase, setpoint, and transition state
int currentPhase;
bool isInTransition = false;
bool inSelectionMode = true;

// PID Control variables
// double Kp = 0.5, Ki = 1, Kd = 0.05;
// PID myPID(&Input, &Output, &Setpoint, Kp, Ki, Kd, DIRECT);

// #include "GyverPID.h"
#include "pid.h"
double Setpoint, Input, Output;
GyverPID regulator(10, 2, 10, 1000);

bool temperatureSensorError = false;

// Timing variables
long phaseStartTime;
long totalStartTime;
long ssrLastSwitchTime;
long totalElapsedTime;
long totalProcessTime;
long finishTime = 0;
long currentTime = 0;
long lastEEPROMWriteTime = 0;
bool isClick = false;
bool isLeft = false;
bool isRight = false;
bool isComplete = false;
const int ssrSwitchInterval = 1000;  // SSR switching interval in milliseconds

// Buffer for formatted time strings
char timeBuffer[10];

bool boolLastCompletedState = false;

float failedReadingLastValue = 0;
int failedReadingCount = 0;

#define PARTS 8

void setup() {
  pinMode(ssrPin, OUTPUT);
  pinMode(activeBuzzerPin, OUTPUT);
  Serial.begin(9600);

  oled.init();          // Initialize the OLED
  oled.clear();         // Clear the display
  readEEPROM();
  regulator.setDirection(NORMAL); // направление регулирования (NORMAL/REVERSE). ПО УМОЛЧАНИЮ СТОИТ NORMAL
  regulator.setLimits(0, 100);    // пределы (ставим для 8 битного ШИМ). ПО УМОЛЧАНИЮ СТОЯТ 0 И 255
  regulator.setpoint = 0;

  pinMode(triacPwm, OUTPUT);
  configureTimer1(1000);
  setPWMDutyCycle(0);

  #ifdef TempSensorDallas
    sensors.begin();
    DeviceAddress tempDeviceAddress;
    sensors.getAddress(tempDeviceAddress, 0);
    sensors.setResolution(tempDeviceAddress, 12);
    sensors.setWaitForConversion(false);
  #endif
}

void loop() {
  Looper.loop();
}


// Function to configure Timer1 for PWM with the specified window duration
void configureTimer1(unsigned long windowMillis) {
  // Disable interrupts while configuring the timer
  noInterrupts();

  // Reset Timer/Counter1 Control Registers
  TCCR1A = 0;
  TCCR1B = 0;
  TCNT1 = 0;

  // Set the prescaler to 256
  TCCR1B |= (1 << CS12);  // Set prescaler to 256

  // Calculate the top value for Timer1 based on the window duration
  unsigned long ticks = (62500 * windowMillis) / 1000 / 2;

  // Set the top value for Timer1 (ICR1) based on the calculated ticks
  ICR1 = ticks - 1;  // Subtract 1 because the counter starts at 0

  // Configure Timer1 for Phase Correct PWM with ICR1 as TOP
  // Enable non-inverted PWM on OC1B (Pin 10)
  TCCR1A = (1 << WGM11) | (1 << COM1B1);  // Only configure OC1B for PWM

  // Set Phase Correct PWM mode with ICR1 as TOP
  TCCR1B |= (1 << WGM13);  // No WGM12

  // Enable interrupts again
  interrupts();
}

void setPWMDutyCycle(uint8_t duty) {
  OCR1B = (unsigned long)duty * ICR1 / 255;  // Set the duty cycle for Pin 10 (OC1B)
}