#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <SPI.h>
#include <MFRC522.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <ArduinoJson.h>AllTopic:All
#include "icon.h"
#include <UniversalTelegramBot.h> // tambahkan include untuk library Telegram
#include <ArduinoJson.h>

// Inisialisasi OLED
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire);

#define RST_PIN 16 // pin-D0
#define SS_PIN 0   // pin-D3
byte buzzer = 15; // pin D8
MFRC522 mfrc522(SS_PIN, RST_PIN); // Buat instance MFRC522

const char *ssid = "Iphone";         // SSID WiFi Anda
const char *password = "44444444";   // Kata sandi WiFi Anda
String server_addr = "192.168.107.197"; // Alamat server atau IP komputer Anda

byte readCard[4];
uint8_t successRead;
String UIDCard;

#define BOT_TOKEN "6508339619:AAGeFNlU5M7uwpiImHHi88M6HGCxjVrob58" // Ganti dengan token bot Anda
WiFiClient client;
UniversalTelegramBot bot(BOT_TOKEN, client);

void setup() {
  pinMode(buzzer, OUTPUT);
  Serial.begin(9600);       // Inisialisasi komunikasi serial dengan PC
  SPI.begin();                // Inisialisasi bus SPI
  mfrc522.PCD_Init();         // Inisialisasi kartu MFRC522
  Serial.println(F("Read Uid data on a MIFARE PICC:"));
  ShowReaderDetails();        // Tampilkan detail pembaca kartu MFRC522

  // Inisialisasi koneksi WiFi dan OLED
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;)
      ;
  }
  display.clearDisplay();
  display.setTextColor(WHITE);
  display.setTextSize(1);
  display.setCursor(38, 20);
  display.println(F("ARDUCODING"));
  display.setCursor(35, 35);
  display.println(F("Mesin Absen"));
  display.display();
  delay(1000);
  ConnectWIFI();
  delay(2000);
}

void loop() {
  display.clearDisplay();
  display.drawBitmap(32, 0, cardBitmap, 68, 50, WHITE);
  display.setTextSize(1);
  display.setCursor(30, 55);
  display.print("Tap Your Card!");
  display.display();
  successRead = getID();
}

uint8_t getID() {
  if (!mfrc522.PICC_IsNewCardPresent()) {
    return 0;
  }
  if (!mfrc522.PICC_ReadCardSerial()) {
    return 0;
  }
  UIDCard = "";
  Serial.println(F("Scanned PICC's UID:"));

  for (uint8_t i = 0; i < mfrc522.uid.size; i++) {
    UIDCard += String(mfrc522.uid.uidByte[i], HEX);
  }
  UIDCard.toUpperCase();
  Serial.print("UID:");
  Serial.println(UIDCard);
  Serial.println(F("**End Reading**"));
  digitalWrite(buzzer, HIGH);
  delay(200);
  digitalWrite(buzzer, LOW);
  delay(200);
  digitalWrite(buzzer, HIGH);
  delay(200);
  digitalWrite(buzzer, LOW);

  storeData();
  delay(2000);

  mfrc522.PICC_HaltA();
  return 1;
}

void storeData() {
  ConnectWIFI();
  WiFiClient client;
  String address, massage, first_name;

  address = "http://" + server_addr + "/absensi/webapi/api/create.php?uid=" + UIDCard;

  HTTPClient http;
  http.begin(client, address);
  int httpCode = http.GET();
  String payload;
  Serial.print("Response: ");
  if (httpCode > 0) {
    payload = http.getString();
    payload.trim();
    if (payload.length() > 0) {
      Serial.println(payload + "\n");
    }
  }
  http.end();

  const size_t capacity = JSON_OBJECT_SIZE(4) + 70;
  DynamicJsonDocument doc(capacity);

  DeserializationError error = deserializeJson(doc, payload);

  if (error) {
    Serial.print(F("deserializeJson() failed: "));
    Serial.println(error.c_str());
    return;
  }

  const char *waktu_res = doc["waktu"];
  String nama_res = doc["nama"];
  const char *uid_res = doc["uid"];
  String status_res = doc["status"];

  for (int i = 0; i < nama_res.length(); i++) {
    if (nama_res.charAt(i) == ' ') {
      first_name = nama_res.substring(0, i);
      break;
    }
  }

  // Kirim notifikasi Telegram
  sendTelegramNotification(status_res, first_name, waktu_res, uid_res);

  display.clearDisplay();
  display.drawBitmap(0, 5, userBitmap, 50, 60, WHITE);
  display.setTextColor(WHITE);
  display.setTextSize(1);

  if (status_res == "INVALID") {
    massage = "Who are you?";
    display.setCursor(52, 15);
    display.print(massage);
    display.setCursor(52, 30);
    display.print(uid_res);
    display.setCursor(52, 40);
    display.print(status_res);
  } else {
    if (status_res == "IN") {
      massage = "Welcome!";
    } else {
      massage = "See you!";
    }
    display.setCursor(52, 15);
    display.print(massage);
    display.setCursor(52, 30);
    display.print(first_name);
    display.setCursor(52, 40);
    display.print(waktu_res);
  }
  display.display();
  delay(3000);
}

void sendTelegramNotification(String status, String first_name, const char *waktu, const char *uid) {
  String message = "Kartu dengan UID " + String(uid) + " telah " + (status == "IN" ? "masuk" : "keluar") + ".";
  bot.sendMessage("1263710714", message); // Ganti "chat_id" dengan ID obrolan Anda
}

void ConnectWIFI() {
  if (WiFi.status() != WL_CONNECTED) {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    WiFi.begin(ssid, password);
    int i = 0;
    int a = 0;
    while (WiFi.status() != WL_CONNECTED) {
      Serial.print(".");
      display.clearDisplay();
      display.setTextSize(1);
      if (a == 0) {
        display.drawBitmap(52, 20, wifi_icon, 16, 16, WHITE);
        a = 1;
      } else {
        display.drawBitmap(52, 20, wifi_icon, 16, 16, BLACK);
        a = 0;
      }
      display.setCursor(25, 50);
      display.print("Connecting ...");
      display.display();
      delay(1000);
      ++i;
      if (i == 30) {
        i = 0;
        Serial.println("\n Failed to Connect.");
        break;
      }
    }
    Serial.println("\n Connected!");
    display.clearDisplay();
    display.setTextSize(1);
    display.drawBitmap(52, 20, wifi_icon, 16, 16, WHITE);
    display.setCursor(33, 50);
    display.print("Connected!");
    display.display();
    delay(2000);
  }
}

void ShowReaderDetails() {
  byte v = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
  Serial.print(F("MFRC522 Software Version: 0x"));
  Serial.print(v, HEX);
  if (v == 0x91)
    Serial.print(F(" = v1.0"));
  else if (v == 0x92)
    Serial.print(F(" = v2.0"));
  else
    Serial.print(F(" (unknown),probably a chinese clone?"));
  Serial.println("");

  if ((v == 0x00) || (v == 0xFF)) {
    Serial.println(F("WARNING: Communication failure, is the MFRC522 properly connected?"));
    Serial.println(F("SYSTEM HALTED: Check connections."));
    while (true)
      ;
  }
}