#include <OneButton.h>
#include <SoftwareSerial.h>

#define rx 5
#define tx 4

#define bt1 6
#define bt2 7
#define bt3 8
#define bt4 9
#define bt5 10

const int baud = 9600;
const int numButtons = 5;
const int buttonPins[numButtons] = {bt1, bt2, bt3, bt4, bt5};

SoftwareSerial lora(rx, tx);
OneButton buttons[numButtons];

void setup() {
  Serial.begin(baud);
  lora.begin(baud);

  for (int i = 0; i < numButtons; i++) {
    buttons[i] = OneButton(buttonPins[i], true);
    buttons[i].setDebounceMs(50);
    buttons[i].setClickMs(300);
    buttons[i].setPressMs(5000);
    buttons[i].attachClick(buttonClick, i);
    buttons[i].attachLongPressStop(buttonLongPress, i);
    buttons[i].attachDoubleClick(buttonDoubleClick, i);
  }
}

void loop() {
  for (int i = 0; i < numButtons; i++) {
    buttons[i].tick();
  }
}

void buttonClick(int buttonIndex) {
  Serial.print("Button ");
  Serial.print(buttonIndex + 1);
  Serial.println(" clicked (short press)");
  lora.println((char)(buttonIndex + 48));
}

void buttonLongPress(int buttonIndex) {
  Serial.print("Button ");
  Serial.print(buttonIndex + 1);
  Serial.println(" long press");
  lora.println((char)(buttonIndex + 5 + 48));
}

void buttonDoubleClick(int buttonIndex) {
  if (buttonIndex == 0) {
    Serial.print("Button ");
    Serial.print(buttonIndex + 1);
    Serial.println(" double click");
    lora.println((char)(buttonIndex + 10 + 48));
  }
}