#include "BluetoothSerial.h"

#define LED1_PIN 26
#define LED2_PIN 27

String device_name = "ESP-LED-VasePrijmeni";
BluetoothSerial SerialBT;

void setup() {
  Serial.begin(115200);
  SerialBT.begin(device_name);
  Serial.printf("Zarizeni \"%s\" spuštěno. \n",device_name.c_str());
  pinMode(LED1_PIN, OUTPUT);
  pinMode(LED2_PIN, OUTPUT);
  // zajištění vypnutí LED při zapnutí (restartu)
  digitalWrite(LED1_PIN, LOW);
  digitalWrite(LED2_PIN, LOW);
}

void loop() {
  if (SerialBT.available()) {
    String command = SerialBT.readStringUntil('\n');
    command.trim();

    if(command.equalsIgnoreCase("1on")) {
      digitalWrite(LED1_PIN, HIGH);
      SerialBT.println("LED 1 zapnuta");
    } else if (command.equalsIgnoreCase("1off")) {
      digitalWrite(LED1_PIN, LOW);
      SerialBT.println("LED 1 vypnuta");
    } else if (command.equalsIgnoreCase("2on")) {
      digitalWrite(LED2_PIN, HIGH);
      SerialBT.println("LED 2 zapnuta");
    } else if (command.equalsIgnoreCase("2off")) {
      digitalWrite(LED2_PIN, LOW);
      SerialBT.println("LED 2 vypnuta");
    } else if (command.equalsIgnoreCase("on")) {
      digitalWrite(LED1_PIN, HIGH);
      digitalWrite(LED2_PIN, HIGH);
      SerialBT.println("obe LED zapnuty");
    } else if (command.equalsIgnoreCase("off")) {
      digitalWrite(LED1_PIN, LOW);
      digitalWrite(LED2_PIN, LOW);
      SerialBT.println("obe LED vypnuty");
    } else {
      SerialBT.println("neznamy prikaz. Pouzij: 1on, 1off, 2on, 2off, on, off");
    }
  }
  delay(20);
}