#include <WiFi.h>
#include <WiFiClient.h>
#include <BluetoothSerial.h>
#include "esp_bt_device.h"
#include <ESP32_Supabase.h>

String supabase_url = "https://hgvtezihyptgxjkhzaap.supabase.co";
String anon_key = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImhndnRlemloeXB0Z3hqa2h6YWFwIiwicm9sZSI6ImFub24iLCJpYXQiOjE3MDc5NDAwNTYsImV4cCI6MjAyMzUxNjA1Nn0.OK5WoTK8Q55KhZqPnSpOmFhEwvRWYOWGKKZCTkw1O88";
Supabase db;

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define WIFI_CHANNEL 6
#define WIFI_TIMEOUT 30000

// BluetoothSerial SerialBT;

#define RED_LED 26
#define GREEN_LED 27


// bool useLed = true;

// void signalLED(int ledId) {
//   if (useLed) {
//     digitalWrite(ledId, true);
//     delay(1500);
//     digitalWrite(ledId, false);
//   }
// }

String getDeviceAddress() {
  String id = "";
  const uint8_t* point = esp_bt_dev_get_address();
  for (int i = 0;i<6;i++) {
    char str[3];

    sprintf(str, "%02", (int)point[i]);
    id = id + str;
    if (i<5) {
      id= id +":";
    }
  }
}


void connectToWiFi() {
  WiFi.mode(WIFI_STA);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.print(F("Connecting to WiFi "));
  Serial.print(WIFI_SSID);
  
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(F("."));
    delay(1000);
  }
  Serial.print(F("Connected! IP address: "));
  Serial.println(WiFi.localIP());
}

// --------------------------------------------------------------------------------
// MAIN ---------------------------------------------------------------------------
// --------------------------------------------------------------------------------

void setup(void) {
  Serial.begin(115200);
  pinMode(GREEN_LED, OUTPUT);
  pinMode(RED_LED, OUTPUT);
  connectToWiFi();
  // SerialBT.begin("ESP32");

  db.begin(supabase_url, anon_key);
  int code = db.update("student").eq("bluetooth_id", "2").doUpdate("{\"is_present\": true}");
  Serial.println(code);
  db.urlQuery_reset();

}

void loop(void) {
  // if (SerialBT.available()) {
  //   String deviceID = getDeviceAddress();
  //   Serial.print(deviceID);
  //   int code = db.update("student").eq("bluetooth_id", deviceID).doUpdate("{\"is_present\": \"true\"}");
  //   Serial.println(code);
  //   db.urlQuery_reset();
  //    delay(2000);
  // }
}