// This code is based on the example code provided by the manufacturer of the TG633 Ingenious Machines Remote Control Building Kits For Kids.

#include <ESP8266WiFi.h> // include the WiFi library
#include <IRremoteESP8266.h> // include the IRremote library for ESP8266
#include <IRsend.h> // include the IRsend library for sending IR signals

// WiFi credentials
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// IR LED pin
const int IR_LED = D1; // IR LED connected to pin D1 on ESP8266

// IR remote codes for controlling the motors
unsigned int motor1_forward = 0x00FF629D; // code for motor 1 moving forward
unsigned int motor1_backward = 0x00FFA857; // code for motor 1 moving backward
unsigned int motor2_forward = 0x00FF22DD; // code for motor 2 moving forward
unsigned int motor2_backward = 0x00FFC23D; // code for motor 2 moving backward

// create an instance of IRsend
IRsend irsend(IR_LED);

void setup() {
  // initialize serial communication for debugging
  Serial.begin(9600);
  
  // connect to WiFi network
  WiFi.begin(ssid, password);
  Serial.print("Connecting to ");
  Serial.print(ssid);
  
  // wait for WiFi connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  
  // print WiFi connection details
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
}

void loop() {
  // check for incoming IR signals
  if (irrecv.decode()) {
    // print the received IR code for debugging
    Serial.println(irrecv.decodedIRData.command);
    
    // check if the received code is for motor 1 moving forward
    if (irrecv.decodedIRData.command == motor1_forward) {
      // send the IR code to the motor 1
      irsend.sendNEC(motor1_forward);
      // print a message for debugging
      Serial.println("Motor 1 moving forward");
    }
    
    // check if the received code is for motor 1 moving backward
    else if (irrecv.decodedIRData.command == motor1_backward) {
      // send the IR code to the motor 1
      irsend.sendNEC(motor1_backward);
      // print a message for debugging
      Serial.println("Motor 1 moving backward");
    }
    
    // check if the received code is for motor 2 moving forward
    else if (irrecv.decodedIRData.command == motor2_forward) {
      // send the IR code to the motor 2
      irsend.sendNEC(motor2_forward);
      // print a message for debugging
      Serial.println("Motor 2 moving forward");
    }
    
    // check if the received code is for motor 2 moving backward
    else if (irrecv.decodedIRData.command == motor2_backward) {
      // send the IR code to the motor 2
      irsend.sendNEC(motor2_backward);
      // print a message for debugging
      Serial.println("Motor 2 moving backward");
    }
    
    // resume receiving IR signals
    irrecv.resume();
  }
}

// This code is based on the example code provided by the manufacturer of the TG633 Ingenious Machines Remote Control Building Kits For Kids.