//+------------------------------------------------------------------+
//|                    Trendlinie Expert Advisor                      |
//|                                                                  |
//|      Entwickelt von ChatGPT (OpenAI)                             |
//+------------------------------------------------------------------+

// Externe Eingabeparameter
input int trendline_period = 20;  // Periode der Trendlinie
input double stop_loss = 50.0;    // Stop Loss in Pips
input double take_profit = 100.0; // Take Profit in Pips
input double lot_size = 0.1;      // Lot Größe

// Globale Variablen
int trend_line = 0;       // Trendlinien-Handle
double prev_high = 0.0;   // Vorheriges Hoch
double prev_low = 0.0;    // Vorheriges Tief
bool is_buy_signal = false;  // Buy Signal
bool is_sell_signal = false; // Sell Signal

//+------------------------------------------------------------------+
//| Expert Advisor Start Funktion                                     |
//+------------------------------------------------------------------+
void OnTick()
{
   // Wenn eine Position bereits offen ist, dann nichts tun
   if (PositionSelect(_Symbol))
      return;
  
   // Trendlinie berechnen
   if (trend_line == 0)
      trend_line = ObjectCreate(_Symbol, OBJ_TREND, 0, Time[0], Low[0], Time[trendline_period], High[trendline_period]);
   else
      ObjectSet(trend_line, OBJPROP_PRICE1, Low[0]);
  
   // Durchbruch der Trendlinie prüfen
   double cur_high = High[trendline_period - 1];
   double cur_low = Low[trendline_period - 1];
   if (prev_high == 0.0 || prev_low == 0.0)
   {
      prev_high = cur_high;
      prev_low = cur_low;
   }
   else
   {
      if (cur_high > prev_high && High[0] < ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0) && High[1] < ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 1))
      {
         // Buy Signal
         is_buy_signal = true;
      }
      else if (cur_low < prev_low && Low[0] > ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0) && Low[1] > ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 1))
      {
         // Sell Signal
         is_sell_signal = true;
      }
  
      prev_high = cur_high;
      prev_low = cur_low;
   }
  
   // Position eröffnen
   if (is_buy_signal)
   {
      // Buy Order
      double stop_loss_price = NormalizeDouble(ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0) - stop_loss * _Point, Digits);
      double take_profit_price = NormalizeDouble(ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0) + take_profit * _Point, Digits);
      double open_price = NormalizeDouble(ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0), Digits);
      int ticket = OrderSend(_Symbol, OP_BUY, lot_size, open_price, 3, stop_loss_price, take_profit_price);
      if (ticket > 0)
         is_buy_signal = false;
   }
   else if (is_sell_signal)
   {
      // Sell Order
double stop_loss_price = NormalizeDouble(ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0) + stop_loss * _Point, Digits);
double take_profit_price = NormalizeDouble(ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0) - take_profit * _Point, Digits);
double open_price = NormalizeDouble(ObjectGetDouble(_Symbol, OBJPROP_PRICE1, 0), Digits);
int ticket = OrderSend(_Symbol, OP_SELL, lot_size, open_price, 3, stop_loss_price, take_profit_price);
if (ticket > 0)
is_sell_signal = false;
}
}

//+------------------------------------------------------------------+
//| Expert Advisor Initialisierungsfunktion |
//+------------------------------------------------------------------+
int OnInit()
{

return(INIT_SUCCEEDED);
}

//+------------------------------------------------------------------+
//| Expert Advisor Deinitialisierungsfunktion |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
// Trendlinie entfernen
if (trend_line != 0)
ObjectDelete(trend_line);
}

//+------------------------------------------------------------------+