// Kuluçka Makinesi Kontrol Yazılımı - Optimize Edilmiş Sürüm
#include <LiquidCrystal.h>
#include <DHT.h>
#include <Wire.h>
#include <RTClib.h>
#include <EEPROM.h>

// --- Pin Tanımları ---
#define DHTPIN 2
#define FAN_PIN 3
#define HEATER_PIN 5
#define HUMIDIFIER_PIN 6
#define TURNER_PIN 7
#define BUZZER_PIN 8
#define BUTTON_PIN A0

// --- Nesne Tanımları ---
DHT dht(DHTPIN, DHT22);
LiquidCrystal lcd(9, 10, 4, 11, 12, 13);
RTC_DS3231 rtc;

// --- LCD Özel Karakterler ---
byte degreeChar[8] = {B00110,B01001,B01001,B00110,0,0,0,0};
byte alarmChar[8]  = {B00100,B01110,B01110,B01110,B11111,0,B00100,0};

// --- Tür Profili Yapısı ---
struct SpeciesProfile {
  char name[10];
  uint8_t totalDays;
  float normalTemp[2];
  float finalTemp[2];
  float normalHum[2];
  float finalHum[2];
  uint16_t turnInterval;
  uint16_t turnDuration;
  uint8_t fanSpeed;
  uint8_t coolingDay;
  bool stopTurning;
};

SpeciesProfile profiles[] = {
  {"Tavuk", 21, {37.5,38.5}, {37.0,37.5}, {50,60}, {65,75}, 10800, 300, 170, 0, true},
  {"Hindi", 28, {37.2,37.8}, {37.0,37.3}, {55,65}, {70,80}, 14400, 420, 200, 0, true},
  {"Bildrcn",17, {37.8,38.3}, {37.5,37.8}, {55,60}, {70,75}, 7200, 180, 128, 0, true},
  {"Kaz", 30, {37.4,37.8}, {36.8,37.2}, {60,65}, {75,85}, 21600, 600, 255, 25, true}
};

// --- Global Değişkenler ---
uint8_t currentProfile = 0;
uint32_t startTime = 0;
float temp, humidity;
uint8_t remainingDays = 0;
bool coolingActive = false;
bool finalStage = false;

enum MenuState { MAIN_MENU, PROFILE_SELECT };
MenuState menuState = MAIN_MENU;

// --- Kurulum ---
void setup() {
  lcd.begin(16, 2);
  lcd.createChar(0, degreeChar);
  lcd.createChar(1, alarmChar);

  dht.begin();
  rtc.begin();

  pinMode(FAN_PIN, OUTPUT);
  pinMode(HEATER_PIN, OUTPUT);
  pinMode(HUMIDIFIER_PIN, OUTPUT);
  pinMode(TURNER_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

  EEPROM.get(0, currentProfile);
  startTime = rtc.now().unixtime();
}

// --- Ana Döngü ---
void loop() {
  DateTime now = rtc.now();
  temp = dht.readTemperature();
  humidity = dht.readHumidity();
  remainingDays = profiles[currentProfile].totalDays - ((now.unixtime() - startTime) / 86400);
  finalStage = remainingDays <= 3;

  controlSystems();
  handleMenu(readButtons());
  updateDisplay();
  checkAlarms();

  if (remainingDays <= 0) endIncubation();
  delay(2000);
}

// --- Sistem Kontrolleri ---
void controlSystems() {
  float tempTarget = finalStage ? profiles[currentProfile].finalTemp[0] : profiles[currentProfile].normalTemp[0];
  float humTarget  = finalStage ? profiles[currentProfile].finalHum[0]  : profiles[currentProfile].normalHum[0];

  digitalWrite(HEATER_PIN, temp < tempTarget ? HIGH : LOW);
  digitalWrite(HUMIDIFIER_PIN, humidity < humTarget ? HIGH : LOW);

  if (finalStage && profiles[currentProfile].stopTurning) {
    digitalWrite(TURNER_PIN, LOW);
  } else {
    manageTurner();
  }

  if (currentProfile == 3 && remainingDays == profiles[3].coolingDay) activateCooling();

  analogWrite(FAN_PIN, finalStage ? profiles[currentProfile].fanSpeed + 30 : profiles[currentProfile].fanSpeed);
}

void manageTurner() {
  static uint32_t lastTurn = 0;
  if (millis() - lastTurn > profiles[currentProfile].turnInterval * 1000UL) {
    digitalWrite(TURNER_PIN, HIGH);
    delay(profiles[currentProfile].turnDuration * 1000UL);
    digitalWrite(TURNER_PIN, LOW);
    lastTurn = millis();
  }
}

void activateCooling() {
  coolingActive = true;
  digitalWrite(HEATER_PIN, LOW);
  analogWrite(FAN_PIN, 255);
  delay(1800000); // 30 dakika
  coolingActive = false;
}

// --- Menü Butonları ---
int readButtons() {
  int adc = analogRead(BUTTON_PIN);
  if(adc < 50) return 1;
  if(adc < 250) return 2;
  if(adc < 450) return 3;
  if(adc < 650) return 4;
  if(adc < 850) return 5;
  return 0;
}

void handleMenu(int btn) {
  static uint32_t lastPress = 0;
  if (millis() - lastPress < 200) return;

  switch (menuState) {
    case MAIN_MENU:
      if (btn == 5) menuState = PROFILE_SELECT;
      break;
    case PROFILE_SELECT:
      if (btn == 1) currentProfile = (currentProfile + 1) % 4;
      if (btn == 4) currentProfile = (currentProfile + 3) % 4;
      if (btn == 5) {
        EEPROM.put(0, currentProfile);
        startTime = rtc.now().unixtime();
        menuState = MAIN_MENU;
      }
      break;
  }
  lastPress = millis();
}

// --- LCD Güncelleme ---
void updateDisplay() {
  static char lastLine1[17] = "";
  static char lastLine2[17] = "";
  char line1[17], line2[17];

  snprintf(line1, sizeof(line1), "%s D:%02d%s",
           profiles[currentProfile].name,
           remainingDays,
           finalStage ? " FINAL" : "");

  snprintf(line2, sizeof(line2), "S:%.1f%c H:%d%%%s",
           temp,
           (char)223,  // Derece
           (int)humidity,
           finalStage ? " NO-TRN" : "");

  if (strcmp(line1, lastLine1) != 0 || strcmp(line2, lastLine2) != 0) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print(line1);
    lcd.setCursor(0, 1);
    lcd.print(line2);
    strncpy(lastLine1, line1, sizeof(lastLine1));
    strncpy(lastLine2, line2, sizeof(lastLine2));
  }
}

// --- Alarm Kontrol ---
void checkAlarms() {
  bool tempAlarm = temp > (finalStage ? profiles[currentProfile].finalTemp[1] : profiles[currentProfile].normalTemp[1]);
  bool humAlarm  = humidity > (finalStage ? profiles[currentProfile].finalHum[1] : profiles[currentProfile].normalHum[1]);

  if (tempAlarm || humAlarm) {
    digitalWrite(BUZZER_PIN, HIGH);
    lcd.setCursor(15, 0);
    lcd.write((uint8_t)1);
  } else {
    digitalWrite(BUZZER_PIN, LOW);
  }
}

// --- Kuluçka Bitiş ---
void endIncubation() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("TEBRIKLER!");
  lcd.setCursor(0, 1);
  lcd.print("KULUCKA TAMAMLANDI");
  while (true) {
    digitalWrite(BUZZER_PIN, HIGH);
    delay(500);
    digitalWrite(BUZZER_PIN, LOW);
    delay(500);
  }
}