#include <FirebaseESP32.h>
#include <addons/TokenHelper.h>
#include <addons/RTDBHelper.h>

#define WIFI_SSID "network"
#define WIFI_PASSWORD "123456789"
#define API_KEY "AIzaSyBLfX65ajHcs2jqWnAGvkMQT2j3j4p4w1A"
#define USER_EMAIL "project.10866@gmail.com"
#define USER_PASSWORD "123456789"
#define DATABASE_URL "valleywatersafety-default-rtdb.firebaseio.com"
#define DATABASE_SECRET "hZdqpKKWmnp4BAhsb3Qulobn5oDNySyUP1C2yhW0"

FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;
unsigned long dataMillis = 0;
char c;
String dataIn;
int8_t indexOfA, indexOfB, indexOfC, indexOfD, indexOfE;
int8_t indexOfF, indexOfG, indexOfH;
String data1, data2, data3, data4, data5;
String data6, data7, data8;

void setup() {
  Serial.begin(9600);
  Serial2.begin(9600);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.print("Connecting to Wi-Fi");
  while (WiFi.status() != WL_CONNECTED)
  {
    Serial.print(".");
    delay(300);
  }
  Serial.println();
  Serial.print("Connected with IP: ");
  Serial.println(WiFi.localIP());
  Serial.println();
  Serial.printf("Firebase Client v%s\n\n", FIREBASE_CLIENT_VERSION);
  config.api_key = API_KEY;
  auth.user.email = USER_EMAIL;
  auth.user.password = USER_PASSWORD;
  config.database_url = DATABASE_URL;
  Firebase.reconnectWiFi(true);
  fbdo.setResponseSize(4096);
  config.token_status_callback = tokenStatusCallback;
  config.max_token_generation_retry = 5;
  Firebase.begin(&config, &auth);
}

void loop() {

  while (Serial2.available() > 0) {
    c = Serial2.read();
    if (c == '\n') {
      break;
    }
    else       {
      dataIn += c;
    }
  }
  if (c == '\n') {
    parseData();
    ShowRxData();
    sendDataToFirebase();
    resetData();
  }


}

void sendDataToFirebase() {
  if (millis() - dataMillis > 5000 && Firebase.ready())
  {
    dataMillis = millis();

    Serial.printf("Set Temprature Value... %s\n", Firebase.setString(fbdo, "/temp/", data1) ? "ok" : fbdo.errorReason().c_str());
    Serial.printf("Set Humidity Value... %s\n", Firebase.setString(fbdo, "/hum/", data2) ? "ok" : fbdo.errorReason().c_str());
    Serial.printf("Set Water Level Value... %s\n", Firebase.setString(fbdo, "/waterLevel/", data3) ? "ok" : fbdo.errorReason().c_str());
    Serial.printf("Set Latitude Value... %s\n", Firebase.setString(fbdo, "/Lat/", data4) ? "ok" : fbdo.errorReason().c_str());
    Serial.printf("Set Longitude Value... %s\n", Firebase.setString(fbdo, "/Lon/", data5) ? "ok" : fbdo.errorReason().c_str());
  }
}

void parseData() {
  indexOfA = dataIn.indexOf("A");
  indexOfB = dataIn.indexOf("B");
  indexOfC = dataIn.indexOf("C");
  indexOfD = dataIn.indexOf("D");
  indexOfE = dataIn.indexOf("E");

  indexOfF = dataIn.indexOf("F");
  indexOfG = dataIn.indexOf("G");
  indexOfH = dataIn.indexOf("H");

  data1 = dataIn.substring(0, indexOfA);
  data2 = dataIn.substring(indexOfA + 1, indexOfB);
  data3 = dataIn.substring(indexOfB + 1, indexOfC);
  data4 = dataIn.substring(indexOfC + 1, indexOfD);
  data5 = dataIn.substring(indexOfD + 1, indexOfE);

  data6 = dataIn.substring(indexOfE + 1, indexOfF);
  data7 = dataIn.substring(indexOfF + 1, indexOfG);
  data8 = dataIn.substring(indexOfG + 1, indexOfH);
}

void ShowRxData() {
  Serial.println("Temprature [°C]: " + data1);
  Serial.println("Humidity [%]: " + data2);
  Serial.println("Water Level [%]: " + data3);
  Serial.println("Latitude [°]: " + data4);
  Serial.println("Longitude [°]: " + data5);

  Serial.println("Water Sensor Low: " + data6);
  Serial.println("Water Sensor Med: " + data7);
  Serial.println("Water Sensor Hig: " + data8);

  Serial.println("####################");
}

void resetData() {
  c = 0;
  dataIn = "";
}