#include <ESP32Servo.h>

#define RAIN 16
#define EMERGENCY_BTN 12
#define SERVO 18
#define BUZZER 15

int stateEmergency = 0;
int rainState = 0;
Servo serv;

namespace JEMURAN {
  void init() {
    Serial.begin(9600);

    pinMode(RAIN, INPUT);
    pinMode(EMERGENCY_BTN, INPUT_PULLUP);
    pinMode(BUZZER, OUTPUT);

    serv.attach(SERVO);
  }

  void setBuzzer(int hertz, int isTone) {
    if (isTone) {
      tone(BUZZER, hertz);
    } else {
      noTone(BUZZER);
    }
  }

  void touchEmergency() {
    const int emergencyButton = digitalRead(EMERGENCY_BTN);

    if (!emergencyButton) {
      stateEmergency = !stateEmergency;
      rainState = 1;
    }
  }

  void detectRain() {
    const int rainSens = digitalRead(RAIN);

    if (!rainSens || stateEmergency) {
      rainState = 1;
    } else {
      rainState = 0;
    }
  }

  void main() {
    touchEmergency();
    detectRain();

    if(rainState) {
      Serial.println("Rain detected!");

      serv.write(90);
      setBuzzer(250, 1);

    } else {
      Serial.println("Rain not detected!");

      serv.write(0);
      setBuzzer(0, 0);
    }

    Serial.println(serv.read());
  }
}

void setup() {
  JEMURAN::init();
}

void loop() {
  JEMURAN::main();
  delay(100);

  // serv.write(90);
  // delay(1000);

  // serv.write(0);
  // delay(1000);
}