//+------------------------------------------------------------------+
//|                                           Piptology_Bridge.mq4   |
//|      Piptology - The Science of Market Precision                 |
//|      Real-Time Price & Tick Bridge EA for MetaTrader 4           |
//|      Menghubungkan harga live XAU/USD MetaTrader 4 ke Piptology  |
//+------------------------------------------------------------------+
#property copyright "Piptology - The Science of Market Precision"
#property link      "http://localhost:8000"
#property version   "1.00"
#property strict

//--- Input Parameters
input string ServerURL             = "http://localhost:8000/api/metatrader/feed"; // URL Server Piptology
input int    UpdateIntervalMillis  = 500;                                         // Frekuensi update (milidetik)
input bool   SendCompletedCandle   = true;                                        // Kirim candle M1/M5 selesai

//--- Global Variables
datetime last_send_time = 0;
datetime last_candle_time = 0;
ulong    last_tick_milli = 0;

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
{
   Print("🚀 [Piptology Bridge MT4] Diinisialisasi untuk simbol: ", Symbol(), " di broker: ", AccountCompany());
   Print("ℹ️ [Piptology Bridge MT4] Pastikan URL: http://localhost:8000 telah diizinkan di Tools -> Options -> Expert Advisors -> Allow WebRequest");
   EventSetMillisecondTimer(UpdateIntervalMillis);
   return(INIT_SUCCEEDED);
}

//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
   EventKillTimer();
   Print("🛑 [Piptology Bridge MT4] Dihentikan.");
}

//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
{
   SendTickData();
}

//+------------------------------------------------------------------+
//| Timer function                                                   |
//+------------------------------------------------------------------+
void OnTimer()
{
   SendTickData();
}

//+------------------------------------------------------------------+
//| Fungsi Mengirim Data Tick & Candle ke Server Web                 |
//+------------------------------------------------------------------+
void SendTickData()
{
   ulong now_milli = GetMicrosecondCount() / 1000;
   if(now_milli - last_tick_milli < (ulong)UpdateIntervalMillis)
      return;
   last_tick_milli = now_milli;

   double bid = Bid;
   double ask = Ask;
   if(bid <= 0 || ask <= 0)
      return;

   string broker = AccountCompany();
   string account = IntegerToString(AccountNumber());
   string sym = Symbol();
   int server_time = (int)TimeCurrent();

   // Format JSON payload
   string payload = "{"
      + "\"broker\":\"" + broker + "\","
      + "\"account\":\"" + account + "\","
      + "\"symbol\":\"" + sym + "\","
      + "\"bid\":" + DoubleToString(bid, 2) + ","
      + "\"ask\":" + DoubleToString(ask, 2) + ","
      + "\"time\":" + IntegerToString(server_time) + ","
      + "\"timeframe\":\"" + EnumToString((ENUM_TIMEFRAMES)Period()) + "\"";

   // Tambahkan candle terbaru jika diperlukan
   if(SendCompletedCandle)
   {
      double o = iOpen(sym, Period(), 0);
      double h = iHigh(sym, Period(), 0);
      double l = iLow(sym, Period(), 0);
      double c = iClose(sym, Period(), 0);
      long   v = iVolume(sym, Period(), 0);
      int    t = (int)iTime(sym, Period(), 0);

      payload += ",\"candle\":{"
         + "\"time\":" + IntegerToString(t) + ","
         + "\"open\":" + DoubleToString(o, 2) + ","
         + "\"high\":" + DoubleToString(h, 2) + ","
         + "\"low\":" + DoubleToString(l, 2) + ","
         + "\"close\":" + DoubleToString(c, 2) + ","
         + "\"volume\":" + IntegerToString(v)
         + "}";
   }

   payload += "}";

   // Kirim via WebRequest
   char post_data[];
   char result_data[];
   string result_headers;
   string headers = "Content-Type: application/json\r\n";
   StringToCharArray(payload, post_data, 0, StringLen(payload));

   int res = WebRequest("POST", ServerURL, headers, 1000, post_data, result_data, result_headers);
   if(res == -1)
   {
      int err = GetLastError();
      if(err == 4060) // ERR_WEBREQUEST_URL_NOT_ALLOWED
      {
         Print("⚠️ [Piptology Bridge MT4 Error] URL belum diizinkan! Buka Tools -> Options -> Expert Advisors, centang 'Allow WebRequest for listed URL' dan tambahkan: http://localhost:8000");
      }
   }
}
//+------------------------------------------------------------------+