#include <Arduino.h>
#include "WiFi.h"
#include <WebServer.h>
#include <ArduinoJson.h>
#include <StreamUtils.h>

const char *ssid = "***";
const char *password = "***";

WebServer server(80);

void largeJson();
const int exampleCount = 90;

const size_t capacity = 11 * JSON_ARRAY_SIZE(1) + 10 * JSON_OBJECT_SIZE(0) + JSON_OBJECT_SIZE(1) + 2 * JSON_OBJECT_SIZE(2) + JSON_OBJECT_SIZE(4) + JSON_OBJECT_SIZE(5) + JSON_OBJECT_SIZE(8) + JSON_OBJECT_SIZE(13) + 310;
DynamicJsonDocument example(capacity);
const char *json = "{\"ieeeAddr\":\"000D6F001336867C\",\"last_seen\":\"1581928963\",\"type\":\"Router\",\"powerSource\":\"Main\",\"Interview\":{\"TS\":0,\"State\":4},\"ep\":{\"1\":{\"profId\":260,\"In\":{\"0\":[{}],\"1\":[{}],\"3\":[{}],\"4\":[{}],\"9\":[{}],\"1280\":[{}],\"1282\":[{}],\"65530\":[{}]},\"Out\":{\"3\":[{}],\"25\":[{}]},\"devId\":1027}},\"ManufName\":\"GS\",\"ModelId\":\"SRHMP-I1\",\"st\":{\"linkquality\":76,\"trSeqNum\":24,\"warning\":\"\",\"battery\":100,\"voltage\":4.1},\"supported\":1,\"friendly_name\":\"sirena\",\"Rcf\":true,\"Rtg\":[\"35282\"]}";
DynamicJsonDocument doc(capacity *exampleCount + exampleCount * 3);

void setup()
{
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
    Serial.println("Connecting to WiFi..");
  }
  Serial.println("Connected to the WiFi network");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());

  server.begin();
  server.on("/large", largeJson);
  deserializeJson(example, json);
  for (int i = 0; i < exampleCount; i++)
  {
    doc["key" + i] = example;
  }
}

void loop()
{
  server.handleClient();
}

void largeJson()
{
  WiFiClient client = server.client();
  WriteBufferingStream bufferedWifiClient{client, 1024};
  serializeJson(doc, bufferedWifiClient);
  bufferedWifiClient.flush();
}