#include <ESPAutoWifi.h>
#include "ESPAutoWiFiConfig.h"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>  // Including library for dht

#define DHTPIN 12  // Pin where the DHT11 is connected

String apiKey = "GHLYCYOKYFAHQL8S"; // Enter your Write API key from ThingSpeak
const char *ssid = "VIEKA";     // Replace with your WiFi SSID and WPA2 key
const char *pass = "shakinaviekadaniati";
const char* server = "api.thingspeak.com";

LiquidCrystal_I2C lcd(0x27, 16, 2);  // LCD I2C with address 0x27, size 16x2
const int relayPin = 13 ;

const int AirValue = 790;   // You need to replace this value with Value_1
const int WaterValue = 390;  // You need to replace this value with Value_2
const int SensorPin = 34;
int soilMoistureValue = 0;
int soilmoisturepercent = 0;


void setup() {
  Serial.begin(115200);
  lcd.begin();
  lcd.backlight();

  WiFi.begin(ssid, pass);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  delay(4000);
 
}

void loop() {
    wf.autoConnect();


  Serial.print("Humidity: ");
  Serial.print("Temperature: ");

  soilMoistureValue = analogRead(SensorPin);  // Read sensor value
  Serial.println(soilMoistureValue);

  soilmoisturepercent = map(soilMoistureValue, AirValue, WaterValue, 0, 100);

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Soil RH:");

  if (soilmoisturepercent > 100) {
    Serial.println("100%");
    lcd.print("100%");
  } else if (soilmoisturepercent < 0) {
    Serial.println("0%");
    lcd.print("0%");
  } else {
    Serial.print(soilmoisturepercent);
    Serial.println("%");
    lcd.print(soilmoisturepercent);
    lcd.print("%");
  }

  lcd.setCursor(0, 1);
  lcd.print("Air RH: --");
  delay(250);

  // Motor control based on soil moisture
  if (soilmoisturepercent >= 0 && soilmoisturepercent <= 30) {
    Serial.println("Motor is ON");
    digitalWrite(relayPin, LOW);  // Turn on motor
  } else if (soilmoisturepercent > 30 && soilmoisturepercent <= 100) {
    Serial.println("Motor is OFF");
    digitalWrite(relayPin, HIGH);  // Turn off motor
  }

  if (client.connect(server, 80)) {
    String postStr = apiKey;
    postStr += "&field1=";
    postStr += String(soilmoisturepercent);
    postStr += "&field2=";
    postStr += "&field3=";
    postStr += "&field4=";
    postStr += "\r\n\r\n";

    client.print("POST /update HTTP/1.1\n");
    client.print("Host: api.thingspeak.com\n");
    client.print("Connection: close\n");
    client.print("X-THINGSPEAKAPIKEY: " + apiKey + "\n");
    client.print("Content-Type: application/x-www-form-urlencoded\n");
    client.print("Content-Length: ");
    client.print(postStr.length());
    client.print("\n\n");
    client.print(postStr);
  }

  client.stop();
}