#include <esp_now.h>
#include <WiFi.h>

typedef struct {
  bool buttonPressed;
} joystickData;

joystickData dataToSend;

uint8_t receiverMAC[] = {0x18, 0x8B, 0x0E, 0x93, 0xA3, 0xC4};  // Replace with receiver MAC

const int swPin = 2;  // Joystick button pin

void onSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
  Serial.print("Send Status: ");
  Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Success" : "Fail");
}

void setup() {
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);

  pinMode(swPin, INPUT_PULLUP);  // Joystick button (active LOW)

  if (esp_now_init() != ESP_OK) {
    Serial.println("ESP-NOW init failed!");
    return;
  }

  esp_now_register_send_cb(onSent);

  esp_now_peer_info_t peerInfo = {};
  memcpy(peerInfo.peer_addr, receiverMAC, 6);
  peerInfo.channel = 0;
  peerInfo.encrypt = false;

  if (esp_now_add_peer(&peerInfo) != ESP_OK) {
    Serial.println("Failed to add peer");
    return;
  }
}

void loop() {
  // Button pressed = LOW → true
  dataToSend.buttonPressed = digitalRead(swPin) == LOW;

  Serial.print("Button: ");
  Serial.println(dataToSend.buttonPressed ? "PRESSED" : "NOT PRESSED");

  esp_now_send(receiverMAC, (uint8_t *)&dataToSend, sizeof(dataToSend));
  delay(200);