#include <LoRa.h>

// LoRa module pins
#define LORA_CS 10
#define LORA_RST 9
#define LORA_IRQ 2

// Define SIMULATE_LORA for Wokwi simulation
#define LoRA_simulation Copy

void setup() {
  // Initialize Serial Monitor
  Serial.begin(9600);
  while (!Serial);

#ifndef LoRA_simulation Copy
  // Initialize LoRa for actual hardware
  Serial.println("Initializing LoRa receiver...");
  LoRa.setPins(LORA_CS, LORA_RST, LORA_IRQ); // Set LoRa module pins
  if (!LoRa.begin(433E6)) { // Ensure the frequency matches the transmitter
    Serial.println("LoRa initialization failed!");
    while (1);
  }
  Serial.println("LoRa receiver initialized!");
#else
  // Bypass LoRa initialization in simulation mode
  Serial.println("Simulating LoRa receiver in Wokwi!");
#endif
}

void loop() {
  // Check for incoming packets (only if LoRa is initialized in real hardware)
#ifndef LoRA_simulation Copy
  int packetSize = LoRa.parsePacket();
  if (packetSize) {
    // Read packet
    String receivedData = "";
    while (LoRa.available()) {
      receivedData += (char)LoRa.read();
    }

    // Print received data to Serial Monitor
    Serial.println("Received: " + receivedData);
  }
#else
  // Simulate receiving data in Wokwi
  String receivedData = "Accel X: 1.23 m/s^2, Accel Y: 0.98 m/s^2, Accel Z: 9.81 m/s^2";
  Serial.println("Simulated Received: " + receivedData);
#endif

  delay(1000); // Small delay to prevent excessive processing
}