//+------------------------------------------------------------------+
//|                  PUPrime Trading Bot EA                          |
//|           MQL5 Version with Detailed Explanations                |
//+------------------------------------------------------------------+
#property copyright "Copyright 2024, PUPrime Gold Trader"
#property version   "2.0"
#property description "Automated trader using RSI(14) on M1 timeframe"
#property description "Sends signals to Telegram and executes trades"

//--- Include necessary libraries
#include <Trade/Trade.mqh>       // Для торговых функций

//--- Input Parameters
input string   symbolTrade = "XAUUSD.s";  // Торговый символ
input double   LotSize = 0.01;           // Лот
input int      StopLoss = 150;            // SL в пунктах
input int      TakeProfit = 300;          // TP в пунктах
input string   TelegramToken = ""; // Токен Telegram
input string   ChatID = "";     // ChatID Telegram

//--- Глобальные переменные
datetime lastBarTime = 0;
int      rsiHandle = INVALID_HANDLE;
CTrade   trade;

//+------------------------------------------------------------------+
//| Функция инициализации советника                                  |
//+------------------------------------------------------------------+
int OnInit()
{
   // Проверка, что символ доступен
   if(!SymbolInfoDouble(symbolTrade, SYMBOL_ASK))
   {
      Alert("Error: Symbol ", symbolTrade, " not available in Market Watch");
      return(INIT_FAILED);
   }
   
   // Создаем RSI индикатор
   rsiHandle = iRSI(symbolTrade, PERIOD_M1, 14, PRICE_CLOSE);
   if(rsiHandle == INVALID_HANDLE)
   {
      Alert("Error creating RSI indicator for symbol ", symbolTrade);
      return(INIT_FAILED);
   }
   
   // Инициализация времени последнего бара
   lastBarTime = iTime(symbolTrade, PERIOD_M1, 0);
   
   // Отправка уведомления в Telegram о запуске
   if(TelegramToken != "" && ChatID != "")
   {
      Print("Telegram notifications enabled");
      SendTelegramMessage(TelegramToken, ChatID, "Бот запущен и готов торговать на " + symbolTrade + "!");
   }
   
   Print("PUPrime Bot started for symbol ", symbolTrade);
   return(INIT_SUCCEEDED);
}

//+------------------------------------------------------------------+
//| Функция деинициализации советника                                |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
   if(rsiHandle != INVALID_HANDLE)
      IndicatorRelease(rsiHandle);
}

//+------------------------------------------------------------------+
//| Основная функция тика советника                                  |
//+------------------------------------------------------------------+
void OnTick()
{
   datetime currentBarTime = iTime(symbolTrade, PERIOD_M1, 0);
   if(currentBarTime != lastBarTime)
   {
      lastBarTime = currentBarTime;
      GenerateSignal();
   }
}

//+------------------------------------------------------------------+
//| Генерация торговых сигналов на основе RSI                        |
//+------------------------------------------------------------------+
void GenerateSignal()
{
   double ask = SymbolInfoDouble(symbolTrade, SYMBOL_ASK);
   double bid = SymbolInfoDouble(symbolTrade, SYMBOL_BID);
   
   double rsi[1];
   if(CopyBuffer(rsiHandle, 0, 0, 1, rsi) <= 0)
   {
      Print("Error copying RSI data: ", GetLastError());
      return;
   }
   
   string signal = "";
   double entry = 0.0;
   double sl = 0.0;
   double tp = 0.0;
   ENUM_ORDER_TYPE orderType = WRONG_VALUE;
   
   if(rsi[0] < 30)
   {
      signal = "BUY";
      orderType = ORDER_TYPE_BUY;
      entry = ask;
      sl = entry - StopLoss * _Point;
      tp = entry + TakeProfit * _Point;
   }
   else if(rsi[0] > 70)
   {
      signal = "SELL";
      orderType = ORDER_TYPE_SELL;
      entry = bid;
      sl = entry + StopLoss * _Point;
      tp = entry - TakeProfit * _Point;
   }
   else return; // Нет сигнала
   
   if(TelegramToken != "" && ChatID != "")
   {
      string message = StringFormat(
         "🚨 %s M1 SIGNAL\nTime: %s\nType: %s | RSI: %.2f\nEntry: %.3f\nSL: %.3f | TP: %.3f",
         symbolTrade,
         TimeToString(TimeCurrent(), TIME_SECONDS),
         signal, rsi[0], entry, sl, tp);
      SendTelegramMessage(TelegramToken, ChatID, message);
   }
   
   trade.SetDeviationInPoints(5);
   
   if(orderType == ORDER_TYPE_BUY)
      trade.Buy(LotSize, symbolTrade, entry, sl, tp);
   else if(orderType == ORDER_TYPE_SELL)
      trade.Sell(LotSize, symbolTrade, entry, sl, tp);
}

//+------------------------------------------------------------------+
//| Отправка сообщений в Telegram                                    |
//+------------------------------------------------------------------+
bool SendTelegramMessage(string token, string chat_id, string text)
{
   string url = "https://api.telegram.org/bot" + token + "/sendMessage";
   string headers = "Content-Type: application/json\r\n";
   string postData = StringFormat(
      "{\"chat_id\":\"%s\",\"text\":\"%s\",\"parse_mode\":\"HTML\"}",
      chat_id, text
   );
   
   char data[], result[];
   StringToCharArray(postData, data);
   
   int res = WebRequest("POST", url, headers, 5000, data, result, headers);
   
   string response_text = CharArrayToString(result);
   Print("Telegram send status: ", res, ", response: ", response_text);
   
   return(res == 200);
}