// #include <Arduino.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>

// assign pin
int Relaypin = 27;
int Sensorpin1 = 26;
int Sensorpin2 = 25;

//define tft screen pin
#define TFT_DC 23
#define TFT_CS 22
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

// raw value, high = dry (change value if it reversed)
int dryval1 = 4095;
int wetval1 = 2700;
int dryval2 = 4095;
int wetval2 = 2700;

// percentage value
int FriendlyDryValue = 0;
int FriendlyWetValue = 100;

void setup()
{
    // assign pin mode
    pinMode(Relaypin, OUTPUT);
    pinMode(Sensorpin1, INPUT);
    pinMode(Sensorpin2, INPUT);
    pinMode(LED_BUILTIN, OUTPUT);
    Serial.begin(115200);
    // declare pin read
    int Sensorval1 = analogRead(Sensorpin1);
    int Sensorval2 = analogRead(Sensorpin2);
}

void loop()
{
    // Read sensor
    int Sensorval1 = analogRead(Sensorpin1);
    int Sensorval2 = analogRead(Sensorpin2);

    // lower value = wet
    int moisture1 = map(Sensorval1, dryval1, wetval1, FriendlyDryValue, FriendlyWetValue);
    int moisture2 = map(Sensorval2, dryval2, wetval2, FriendlyDryValue, FriendlyWetValue);

    // serial monitor
    Serial.print(Sensorval1);
    Serial.print("|");
    Serial.print(moisture1);
    Serial.print("|");
    Serial.print(Sensorval2);
    Serial.print("|");
    Serial.print(moisture2);
    Serial.println("|");

    if (Sensorval1 >= 50)
    {
        digitalWrite(Relaypin, HIGH);    // Turn on the relay
        digitalWrite(LED_BUILTIN, HIGH); // Turn on the LED as an indicator
    }
    else
    {
        digitalWrite(Relaypin, LOW);    // Turn off the relay
        digitalWrite(LED_BUILTIN, LOW); // Turn off the LED
    }
    delay(250);
}