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

#include <WiFi.h>
#include <time.h>

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

#define ENDPOINT_URL "https://holaqueso.free.beeceptor.com/api/data-records/"

// 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 "HC2947"

#define HRS_PIN 33


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

// Display Configuration


//String sensorID = "HC001";
char timeStringBuffer[20];

void setup() {
  // Setup code to run once
  Serial.begin(115200);

  pinMode(HRS_PIN, INPUT);
   


  // WiFi setup
  WiFi.mode(WIFI_STA);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  delay(500);
  while (WiFi.status() != WL_CONNECTED) {
   delay(500); 
  }
  // Perform connection
  httpClient.begin(ENDPOINT_URL);
  int httpResponseCode = httpClient.GET();
 
  // Timer Client Configuration
  configTime(0, 0, "pool.ntp.org");
}

int HRS_ANALOG_Y = analogRead(HRS_PIN);
int HRS_scaledValue_Y = map(HRS_ANALOG_Y, 0, 4095, 0, 200);


void loop() {
  // Simulated sensor values
int HRS_ANALOG_X = analogRead(HRS_PIN);
int HRS_scaledValue = map(HRS_ANALOG_X, 0, 4095, 0, 200);
int heartRate = HRS_scaledValue;
if (HRS_scaledValue != HRS_scaledValue_Y) {

    int heartRate = HRS_scaledValue;
    int sensorValue = analogRead(HRS_PIN);
   
    struct tm timeinfo;
    if (!getLocalTime(&timeinfo)) {
      Serial.println("Time Error");
      return;
    }

    strftime(timeStringBuffer, sizeof(timeStringBuffer), "%d/%m/%Y %H:%M", &timeinfo);
    
// Build a Data Record
    JsonDocument dataRecord;
    dataRecord["deviceId"] = DEVICE_ID;
    dataRecord["hearRate"] = heartRate;
    dataRecord["time"] = String(timeStringBuffer);

  // Serialize Data Record
    String dataRecordResource;
    serializeJson(dataRecord, dataRecordResource);

  // Perform POST with Data Record
    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);

    httpClient.end();

  HRS_scaledValue_Y = HRS_scaledValue;
}
else {
  
}
delay(1000); // Send data every minute

}