SmartTrafficManagement/wbc code.txt at main · Rudrarauttt/SmartTrafficManagement · GitHub

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#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>

const char* ssid = "Amity-Guest";
const char* password = "Amity@654321";

ESP8266WebServer server(80);


String controlPassword = "admin123";
bool isAuthenticated = false;

bool LEDstatusRed = LOW;
bool LEDstatusGreen = LOW;
bool LEDstatusOrange = LOW;
void setup() {
  Serial.begin(9600);
  delay(100);
  pinMode(D4, OUTPUT);
  pinMode(D3, OUTPUT);
  pinMode(D2, OUTPUT);

  Serial.println("Connecting to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected..!");
  Serial.print("Got IP: ");
  Serial.println(WiFi.localIP());

  server.on("/", handle_OnConnect);
  server.on("/submitPassword", handle_PasswordSubmit);
  server.on("/ledonred", handle_ledonRed);
  server.on("/ledoffred", handle_ledoffRed);
  server.on("/ledongreen", handle_ledonGreen);
  server.on("/ledoffgreen", handle_ledoffGreen);
  server.onNotFound(handle_NotFound);

  server.begin();
  Serial.println("HTTP Server Started");
}

void loop() {
  server.handleClient();


  digitalWrite(D4, LEDstatusRed ? HIGH : LOW);


  digitalWrite(D3, LEDstatusGreen ? HIGH : LOW);
}

void blinkOrangeLED() {
  for (int i = 0; i < 5; i++) {
    digitalWrite(D2, HIGH);
    delay(500);
    digitalWrite(D2, LOW);
    delay(500);
  }
}


String passwordPage(String message = "") {
  String ptr = "<!DOCTYPE html> <html>\n";
  ptr +="<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr +="<title>Enter Password</title>\n";
  ptr +="<style>html {font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr +="body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}\n";
  ptr +="p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr +="input {padding: 13px;font-size: 18px;border-radius: 4px;border: 1px solid #ccc;width: 80%;}\n";
  ptr +=".button {display: inline-block;background-color: #3498db;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 20px;margin-top: 20px;cursor: pointer;border-radius: 4px;}\n";
  ptr +="</style>\n";
  ptr +="</head>\n";
  ptr +="<body>\n";
  ptr +="<h1>Smart Traffic System</h1>\n";
  ptr +="<h3>BY Team - WBC</h3>\n";

  if (message != "") {
    ptr +="<p style=\"color:red;\">" + message + "</p>\n";  // Show error message if any
  }

  ptr +="<form action=\"/submitPassword\" method=\"POST\">\n";
  ptr +="<input type=\"password\" name=\"password\" placeholder=\"Enter Password\"><br>\n";
  ptr +="<input type=\"submit\" class=\"button\" value=\"Submit\">\n";
  ptr +="</form>\n";
  ptr +="</body>\n";
  ptr +="</html>\n";
  return ptr;
}

void handle_OnConnect() {
  if (isAuthenticated) {
    server.send(200, "text/html", updateWebpage(LEDstatusRed, LEDstatusGreen));
  } else {
    server.send(200, "text/html", passwordPage());  // Show password input page
  }
}

void handle_PasswordSubmit() {
  if (server.hasArg("password")) {
    String inputPassword = server.arg("password");
    if (inputPassword == controlPassword) {
      isAuthenticated = true;
      server.send(200, "text/html", updateWebpage(LEDstatusRed, LEDstatusGreen));
    } else {
      server.send(200, "text/html", passwordPage("Invalid Password! Try again."));
    }
  } else {
    server.send(200, "text/html", passwordPage("Please enter a password."));
  }
}

void handle_ledonRed() {
  if (isAuthenticated) {
    if (LEDstatusGreen) {

      blinkOrangeLED();
    }
    LEDstatusRed = HIGH;
    LEDstatusGreen = LOW;
    Serial.println("Red LED: ON, Green LED: OFF");
    server.send(200, "text/html", updateWebpage(LEDstatusRed, LEDstatusGreen));
  } else {
    server.send(200, "text/html", passwordPage("You need to login first."));
  }
}

void handle_ledoffRed() {
  if (isAuthenticated) {
    LEDstatusRed = LOW;
    Serial.println("Red LED: OFF");
    server.send(200, "text/html", updateWebpage(LEDstatusRed, LEDstatusGreen));
  } else {
    server.send(200, "text/html", passwordPage("You need to login first."));
  }
}

void handle_ledonGreen() {
  if (isAuthenticated) {
    if (LEDstatusRed) {

      blinkOrangeLED();
    }
    LEDstatusGreen = HIGH;
    LEDstatusRed = LOW;
    Serial.println("Green LED: ON, Red LED: OFF");
    server.send(200, "text/html", updateWebpage(LEDstatusRed, LEDstatusGreen));
  } else {
    server.send(200, "text/html", passwordPage("You need to login first."));
  }
}

void handle_ledoffGreen() {
  if (isAuthenticated) {
    LEDstatusGreen = LOW;
    Serial.println("Green LED: OFF");
    server.send(200, "text/html", updateWebpage(LEDstatusRed, LEDstatusGreen));
  } else {
    server.send(200, "text/html", passwordPage("You need to login first."));
  }
}

void handle_NotFound() {
  server.send(404, "text/plain", "Not found");
}


String updateWebpage(uint8_t LEDstatusRed, uint8_t LEDstatusGreen) {
  String ptr = "<!DOCTYPE html> <html>\n";
  ptr +="<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, user-scalable=no\">\n";
  ptr +="<title>LED Control</title>\n";
  ptr +="<style>html {font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}\n";
  ptr +="body{margin-top: 50px;} h1 {color: #444444;margin: 50px auto 30px;} h3 {color: #444444;margin-bottom: 50px;}\n";
  ptr +=".button {display: block;width: 80px;background-color: #1abc9c;border: none;color: white;padding: 13px 30px;text-decoration: none;font-size: 25px;margin: 0px auto 35px;cursor: pointer;border-radius: 4px;}\n";
  ptr +=".button-on {background-color: #3498db;}\n";
  ptr +=".button-on:active {background-color: #3498db;}\n";
  ptr +=".button-off {background-color: #34495e;}\n";
  ptr +=".button-off:active {background-color: #2c3e50;}\n";
  ptr +="p {font-size: 14px;color: #888;margin-bottom: 10px;}\n";
  ptr +="</style>\n";
  ptr +="</head>\n";
  ptr +="<body>\n";
  ptr +="<h1>Smart Traffic System</h1>\n";
  ptr +="<h3>BY Team - WBC</h3>\n";

  if (LEDstatusRed) {
    ptr +="<p>RED LED: ON</p><a class=\"button button-off\" href=\"/ledoffred\">OFF</a>\n";
  } else {
    ptr +="<p>RED LED: OFF</p><a class=\"button button-on\" href=\"/ledonred\">ON</a>\n";
  }

  if (LEDstatusGreen) {
    ptr +="<p>GREEN LED: ON</p><a class=\"button button-off\" href=\"/ledoffgreen\">OFF</a>\n";
  } else {
    ptr +="<p>GREEN LED: OFF</p><a class=\"button button-on\" href=\"/ledongreen\">ON</a>\n";
  }

  ptr +="</body>\n";
  ptr +="</html>\n";
  return ptr;
}