#include <WiFi.h>
#include "ThingSpeak.h"
#include "DHTesp.h"
#include <ESP32Servo.h>
#include <Wire.h>
#include "RTClib.h"

const int DHT_PIN = 15;
const int LDR_PIN = 34;
const int SERVO_PIN = 18;
const int RELAY_PIN_LIGHT = 16;
const int RELAY_PIN_FAN = 17;
const int BUTTON = 19;
const int BLUE_LED_PIN = 25;

const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int myChannelNumber = 2971461;
const char* myApiKey = "60YDYF71HIA6R1GQ";
const char* server = "api.thingspeak.com";

const float weeklyData[8][2] = {
  {32, 35},
  {29, 30},
  {27, 29},
  {25, 27},
  {20, 22},
  {18, 21},
  {18, 21},
  {18, 21}
};

WiFiClient client;
DHTesp dhtSensor;
Servo windowServo;
RTC_DS1307 rtc;

int ldr_value;
int currentweek = 1;

void setup() {
  pinMode(DHT_PIN, INPUT);
  pinMode(LDR_PIN, INPUT);
  pinMode(SERVO_PIN, OUTPUT);
  pinMode(RELAY_PIN_LIGHT, OUTPUT);
  pinMode(RELAY_PIN_FAN, OUTPUT);
  pinMode(BUTTON, INPUT_PULLUP);
  pinMode(BLUE_LED_PIN, OUTPUT);

  Serial.begin(115200);

  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
  }

  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  windowServo.attach(SERVO_PIN);

  if (!rtc.begin()) {
    while (1);
  }
  if (!rtc.isrunning()) {
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
}

void loop() {
  if (digitalRead(BUTTON) == HIGH) {
    delay(100);
    currentweek++;
    if (currentweek > 8) {
      currentweek = 1;
    }
  }

  float T = dhtSensor.getTempAndHumidity().temperature;
  float H = dhtSensor.getTempAndHumidity().humidity;
  ldr_value = analogRead(LDR_PIN);

  float T1 = weeklyData[currentweek - 1][0];
  float T2 = weeklyData[currentweek - 1][1];

  DateTime now = rtc.now();
  int hour = now.hour();

  int fanStatus = 0;
  if (!(T1 < T && T < T2)) {
    windowServo.write(0);
    delay(500);
    digitalWrite(RELAY_PIN_FAN, HIGH);
    fanStatus = 1;
  } else {
    digitalWrite(RELAY_PIN_FAN, LOW);
    windowServo.write(90);
    fanStatus = 0;
  }

  int blueLedStatus = 0;
  if (hour >= 0 && hour < 23) {
    digitalWrite(BLUE_LED_PIN, HIGH);
    blueLedStatus = 1;
  } else {
    digitalWrite(BLUE_LED_PIN, LOW);
    blueLedStatus = 0;
  }

  ThingSpeak.setField(1, T);             // Température
  ThingSpeak.setField(2, H);             // Humidité
  ThingSpeak.setField(3, fanStatus);     // LED rouge = ventilateur
  ThingSpeak.setField(4, blueLedStatus); // LED bleue = lumière
  ThingSpeak.setField(5, ldr_value);     // Luminosité

  int x = ThingSpeak.writeFields(myChannelNumber, myApiKey);

  Serial.println("Temp: " + String(T) + "°C");
  Serial.println("Humidity: " + String(H) + "%");
  Serial.println("Luminosity: " + String(ldr_value));
  Serial.println("Fan/LED Rouge: " + String(fanStatus));
  Serial.println("LED Bleue: " + String(blueLedStatus));
  Serial.println("Time: " + String(hour));
  Serial.println("Current week: " + String(currentweek));

  if (x == 200) {
    Serial.println("Data pushed successfully");
  } else {
    Serial.println("Push error: " + String(x));
  }

  delay(15000);
}