#include <Wire.h>
#include <OneWire.h>
#include <DallasTemperature.h>

#include "Barrier.cpp";
#include "DistSensor.cpp";
#include "LCDScreen.cpp";

#define ULTRASONIC_SENSOR_PIN_TRIG 11
#define ULTRASONIC_SENSOR_PIN_ECHO 12
#define SERVO_PIN 10
#define TEMP_SENSOR_PIN 9

OneWire oneWire(TEMP_SENSOR_PIN);
DallasTemperature temperature_sensors(&oneWire);

DistSensor dist_sensor = DistSensor(ULTRASONIC_SENSOR_PIN_TRIG, ULTRASONIC_SENSOR_PIN_ECHO, 25.0);
Barrier barrier = Barrier(SERVO_PIN, 4);
LCDScreen screen = LCDScreen();

unsigned long current_time, sensor_last_time_activated, temperature_last_time_measured;

float temperature_in_c = 0;

void setup() {
    Serial.begin(9600);
    dist_sensor.configure_pins();
    barrier.configure_pins();
    temperature_sensors.begin();
    screen.init();

}

void loop() {

    current_time = millis();

    if (dist_sensor.is_in_range()){ 
        sensor_last_time_activated = current_time;
        if(barrier.is_closed()){
            barrier.open();
        }
    } else if (!dist_sensor.is_in_range() && barrier.is_open()){
        if (current_time - sensor_last_time_activated >= barrier.open_time_seconds * 1000){
            barrier.close();
        }
    }

    if (current_time - temperature_last_time_measured >= 1000){
        temperature_last_time_measured = current_time;
        temperature_sensors.requestTemperatures();
        temperature_in_c = temperature_sensors.getTempCByIndex(0);
    }

    screen.display_temperature(temperature_in_c);
}