/*
  ESP32 HTTPClient JSON Example
*/

#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>

// Wifi Login
const char* ssid = "Wokwi-GUEST";
const char* password = "";
// Server IP Endpoint
const String url = "http://47.7.63.215:8089/data";

void getJSON() {
  // Create HTTP Request
  HTTPClient http;
  http.useHTTP10(true);
  http.begin(url);
  // Send HTTP GET
  Serial.printf("Http Code %d\n", http.GET());
  String result = http.getString();
  // Fill JSON Object
  DynamicJsonDocument doc(4096);
  DeserializationError error = deserializeJson(doc, result);
  // Test if parsing succeeds.
  if (error) {
    Serial.print("deserializeJson() failed: ");
    Serial.println(error.c_str());
    return;
  }
  // Read Values and Print
  String age = doc["age"].as<String>();
  String city = doc["city"].as<String>();
  String name = doc["name"].as<String>();
  Serial.printf("Name: %12s, City: %12s, Age: %12s\n", name, city, age);
  http.end();
}
void postJSON() {
  // Create Request
  HTTPClient http;
  http.useHTTP10(true);
  http.begin(url);
  http.addHeader("Content-Type", "application/json");
  // Create JSON Data Packet
  DynamicJsonDocument doc(4096);
  String resp_str;
  doc["age"] = 123;
  doc["city"] = "Haha";
  doc["name"] = "CEEE";
  serializeJson(doc, resp_str);
  // POST data to server
  int httpResponseCode = http.POST(resp_str);

  http.end();
}

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password, 6);

  Serial.println("Connecting to WiFi");

  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }

  Serial.print("\nOK! IP=");
  Serial.println(WiFi.localIP());
  
}

void loop() {
  getJSON();
  postJSON();
  getJSON();
  while (1)
  {
    
  }
}