
/**
 * Created by K. Suwatchai (Mobizt)
 *
 * Email: k_suwatchai@hotmail.com
 *
 * Github: https://github.com/mobizt/Firebase-ESP-Client
 *
 * Copyright (c) 2023 mobizt
 *
 */

/** This example shows the basic RTDB usage with external network Client. */

#include <Firebase_ESP_Client.h>

// Provide the token generation process info.
#include <addons/TokenHelper.h>

// Provide the RTDB payload printing info and other helper functions.
#include <addons/RTDBHelper.h>

// For the following credentials, see examples/Authentications/SignInAsUser/EmailPassword/EmailPassword.ino

/* 1. Define the API Key */
#define API_KEY "API_KEY"

/* 2. Define the RTDB URL */
#define DATABASE_URL "URL" //<databaseName>.firebaseio.com or <databaseName>.<region>.firebasedatabase.app

/* 3. Define the user Email and password that alreadey registerd or added in your project */
#define USER_EMAIL "USER_EMAIL"
#define USER_PASSWORD "USER_PASSWORD"

// Define Firebase Data object
FirebaseData fbdo;

FirebaseAuth auth;
FirebaseConfig config;

unsigned long sendDataPrevMillis = 0;

unsigned long count = 0;

NetworkClient client;

void networkConnection()
{
    // Neywork connection code here
}

// Define the callback function to handle server status acknowledgement
void networkStatusRequestCallback()
{
    // Set the network status based on your network client
    fbdo.setNetworkStatus(true /* or false */);
}

void setup()
{

    Serial.begin(115200);

#if defined(ARDUINO_ARCH_SAMD)
    while (!Serial)
        ;
#endif

    networkConnection();

    Serial_Printf("Firebase Client v%s\n\n", FIREBASE_CLIENT_VERSION);

    /* Assign the api key (required) */
    config.api_key = API_KEY;

    /* Assign the user sign in credentials */
    auth.user.email = USER_EMAIL;
    auth.user.password = USER_PASSWORD;

    /* Assign the RTDB URL (required) */
    config.database_url = DATABASE_URL;

    /* Assign the callback function for the long running token generation task */
    config.token_status_callback = tokenStatusCallback; // see addons/TokenHelper.h

    /* Assign the pointer to global defined external SSL Client object and callbacls */
    fbdo.setGenericClient(&client, networkConnection, networkStatusRequestCallback);

    // Comment or pass false value when WiFi reconnection will control by your code or third party library e.g. WiFiManager
    Firebase.reconnectNetwork(true);

    // Since v4.4.x, BearSSL engine was used, the SSL buffer need to be set.
    // Large data transmission may require larger RX buffer, otherwise connection issue or data read time out can be occurred.
    fbdo.setBSSLBufferSize(4096 /* Rx buffer size in bytes from 512 - 16384 */, 1024 /* Tx buffer size in bytes from 512 - 16384 */);

    Firebase.setDoubleDigits(5);

    Firebase.begin(&config, &auth);
}

void loop()
{

    // Firebase.ready() should be called repeatedly to handle authentication tasks.

    if (Firebase.ready() && (millis() - sendDataPrevMillis > 15000 || sendDataPrevMillis == 0))
    {
        sendDataPrevMillis = millis();

        Serial_Printf("Set bool... %s\n", Firebase.RTDB.setBool(&fbdo, F("/test/bool"), count % 2 == 0) ? "ok" : fbdo.errorReason().c_str());

        count++;
    }
}
