// Include necessary libraries
#include <WiFi.h>
#include <ESPAsyncWebServer.h>

// Define motor pins
#define MOTOR1_PIN 12
#define MOTOR2_PIN 2

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

// Create AsyncWebServer object
AsyncWebServer server(80);

// Function to handle motor control requests
void handleMotorControl(AsyncWebServerRequest *request) {
  // Get motor direction and speed from request parameters
  String direction = request->getParam("direction")->value();
  int speed = request->getParam("speed")->value().toInt();

  // Convert speed to PWM value (0-255)
  int pwm = map(speed, 0, 100, 0, 255);

  // Control motor based on direction
  if (direction == "forward") {
    // Set motor pins to HIGH and PWM value
    digitalWrite(MOTOR1_PIN, HIGH);
    analogWrite(MOTOR2_PIN, pwm);
  } else if (direction == "backward") {
    // Set motor pins to LOW and PWM value
    digitalWrite(MOTOR1_PIN, LOW);
    analogWrite(MOTOR2_PIN, pwm);
  } else if (direction == "left") {
    // Set motor pins to LOW and PWM value
    digitalWrite(MOTOR1_PIN, LOW);
    analogWrite(MOTOR2_PIN, pwm);
  } else if (direction == "right") {
    // Set motor pins to HIGH and PWM value
    digitalWrite(MOTOR1_PIN, HIGH);
    analogWrite(MOTOR2_PIN, pwm);
  } else if (direction == "stop") {
    // Set motor pins to LOW and PWM value
    digitalWrite(MOTOR1_PIN, LOW);
    analogWrite(MOTOR2_PIN, 0);
  }

  // Send response to client
  request->send(200, "text/plain", "Motor control successful");
}

void setup() {
  // Initialize serial communication
  Serial.begin(9600);

  // Set motor pins as outputs
  pinMode(MOTOR1_PIN, OUTPUT);
  pinMode(MOTOR2_PIN, OUTPUT);

  // Connect to WiFi network
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi..");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to WiFi");

  // Print IP address
  Serial.println(WiFi.localIP());

  // Route for motor control
  server.on("/motor", HTTP_GET, handleMotorControl);

  // Start server
  server.begin();
}

void loop() {
  // Nothing to do in loop
}