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

//WiFi Credentials
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

//Endpoint Url
#define ENDPOINT_URL "https://iot-edge-sample-2971-lordmathi2741.free.beeceptor.com/api/v1/data-recolected"

//HTTP Client
HTTPClient httpClient;
// HTTP Header Parameter and Value
#define CONTENT_TYPE_HEADER "Content-Type"
#define APPLICATION_JSON "application/json"

//Device Identification
#define DEVICE_ID "U202212721"

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  WiFi.mode(WIFI_STA);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.println("Connecting");
  while (WiFi.status() != WL_CONNECTED){
    Serial.println(".");
    delay(500);
  }
  Serial.println();
  Serial.println("Connected: ");
  Serial.println(WiFi.localIP());

  //Post Request

  //Start HTTP Request
  httpClient.begin(ENDPOINT_URL);

  // Data Record Build
  JsonDocument dataRecord;
  dataRecord["deviceId"] = DEVICE_ID;
  dataRecord["distance"] = 250;

  // Data Record Serialization
  String dataRecordResource;
  serializeJson(dataRecord, dataRecordResource);
  //Data Record Posting
  httpClient.addHeader(CONTENT_TYPE_HEADER,APPLICATION_JSON);
  httpClient.POST(dataRecordResource);

  // Check response
  JsonDocument response;
  String responseResource;
  responseResource = httpClient.getString();
  deserializeJson(response,responseResource);
  serializeJsonPretty(response,Serial);
  
  //Manipulate Response Data
  Serial.println();
  Serial.println("Distance: ");
  Serial.println(response["distance"].as<long>());

  // End HTTP Request
  httpClient.end();

  // Get All Request Sample
  //Start Http Request
  httpClient.begin(ENDPOINT_URL);
  //Get Data Records
  int httpResponseCode = httpClient.GET();
  Serial.println("Response Code:");
  Serial.println(httpResponseCode);

  // Fetch Data
  responseResource = httpClient.getString();
  deserializeJson(response,responseResource);
  serializeJsonPretty(response,Serial);

  //Manipuling data records
  Serial.println("About show IDs");
  JsonArray dataRecords = response.as<JsonArray>();
  if (dataRecords != NULL){
    for (JsonVariant dataRecord : dataRecords){
      Serial.println("ID:");
      Serial.println(dataRecord["id"].as<String>());
    }
  }
  httpClient.end();
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}