#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>

const char* ssid = "Dekoder_Morse";
const char* password = "TajneHaslo123";
const char* serverIP = "192.168.4.1";

const int PIN_INPUT = 5;   // D1
const int PIN_SUBMIT = 4;  // D2
const int PIN_LED = 14;    // D5
const int PIN_BUZZER = 12; // D6 (NOWE)

const int DEBOUNCE_TIME = 30;       
const int DOT_DASH_THRESHOLD = 250; 

unsigned long pressStartTime = 0;
bool isInputPressed = false;
bool lastSubmitState = HIGH;

String aktualnyMorse = "";
String aktualnaLitera = "-";

const int DICT_SIZE = 26;
const String morseCodes[DICT_SIZE] = {
  ".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---",
  "-.-", ".-..", "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-",
  "..-", "...-", ".--", "-..-", "-.--", "--.."
};
const char letters[DICT_SIZE] = {
  'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
  'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
  'U', 'V', 'W', 'X', 'Y', 'Z'
};

void sendToServer(String param, String value) {
  if (WiFi.status() == WL_CONNECTED) {
    WiFiClient client;
    HTTPClient http;
    String url = "http://" + String(serverIP) + "/update2?" + param + "=" + value;
    http.begin(client, url);
    http.GET();
    http.end();
  }
}

void setup() {
  Serial.begin(115200);
  pinMode(PIN_INPUT, INPUT_PULLUP);
  pinMode(PIN_SUBMIT, INPUT_PULLUP);
  pinMode(PIN_LED, OUTPUT); 
  pinMode(PIN_BUZZER, OUTPUT); // Inicjalizacja buzzera
  
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); }
}

void loop() {
  bool currentInputState = digitalRead(PIN_INPUT);
  
  // Lokalna reakcja (dźwięk i LED na drugiej płytce)
  if (currentInputState == LOW) {
    digitalWrite(PIN_LED, HIGH);
    tone(PIN_BUZZER, 800); 
  } else {
    digitalWrite(PIN_LED, LOW); 
    noTone(PIN_BUZZER);
  }

  if (currentInputState == LOW && !isInputPressed) {
    isInputPressed = true;
    pressStartTime = millis();
    delay(DEBOUNCE_TIME);
  } 
  else if (currentInputState == HIGH && isInputPressed) {
    isInputPressed = false;
    unsigned long pressDuration = millis() - pressStartTime;
    
    if (pressDuration > DEBOUNCE_TIME) {
      if (pressDuration < DOT_DASH_THRESHOLD) aktualnyMorse += ".";
      else aktualnyMorse += "-";
      sendToServer("m", aktualnyMorse);
    }
    delay(DEBOUNCE_TIME);
  }

  bool currentSubmitState = digitalRead(PIN_SUBMIT);
  if (currentSubmitState == LOW && lastSubmitState == HIGH) {
    if (aktualnyMorse.length() > 0) {
      aktualnaLitera = "-"; 
      for (int i = 0; i < DICT_SIZE; i++) {
        if (morseCodes[i] == aktualnyMorse) {
          aktualnaLitera = String(letters[i]);
          break; 
        }
      }
      sendToServer("l", aktualnaLitera);
      aktualnyMorse = ""; 
    }
    delay(50);
  }
  lastSubmitState = currentSubmitState;
}