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

#define BUTTON_PIN D8
#define NODE_2 2
#define NODE_3 3

// 🔴 REPLACE THIS with your actual Node 2 MAC
uint8_t macNode2[] = {0x7C, 0x2C, 0x67, 0x64, 0xBA, 0xF8};

// ✅ Your Node 3 MAC (already correct)
uint8_t macNode3[] = {0x58, 0xE6, 0xC5, 0x19, 0xB9, 0xBC};

typedef struct {
  int targetID;
  int command;
} Message;

Message msg;
bool lastState = HIGH;

void setup() {
  Serial.begin(115200);
  pinMode(BUTTON_PIN, INPUT_PULLUP);

  WiFi.mode(WIFI_STA);

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

  // Add Node 2
  esp_now_peer_info_t peer2 = {};
  memcpy(peer2.peer_addr, macNode2, 6);
  peer2.channel = 0;
  peer2.encrypt = false;
  esp_now_add_peer(&peer2);

  // Add Node 3
  esp_now_peer_info_t peer3 = {};
  memcpy(peer3.peer_addr, macNode3, 6);
  peer3.channel = 0;
  peer3.encrypt = false;
  esp_now_add_peer(&peer3);

  Serial.println("Master ready");
}

void loop() {
  bool currentState = digitalRead(BUTTON_PIN);

  if (lastState == HIGH && currentState == LOW) {

    Serial.println("Sending to Node 2");
    msg.targetID = NODE_2;
    msg.command = 1;
    esp_now_send(macNode2, (uint8_t *)&msg, sizeof(msg));

    Serial.println("Sending to Node 3");
    msg.targetID = NODE_3;
    msg.command = 1;
    esp_now_send(macNode3, (uint8_t *)&msg, sizeof(msg));

    delay(300);
  }

  lastState = currentState;
}