//=============================================================================
//                                                          Conversions.mqh
//                                            Copyright © 2008, Derk Wehler 
//                                                     DerkWehler@gmail.com
//
//=============================================================================

#define OP_BOTH				-1
#define ALL_OPEN			-1
#define ALL_PENDING			-1
#define ALL_PENDING_BUYS	-2
#define ALL_PENDING_SELLS	-3

string C_AUD = "Aussie";
string C_CAD = "Canadian";
string C_CHF = "Swiss Frank";
string C_EUR = "Euro";
string C_GBP = "Pound";     //Great British 
string C_JPY = "Yen";   //Japanese 
string C_NZD = "New Zeeland";
string C_USD = "Dollar";       //U.S. 

int TimeFrameConst2Val(int TF_In_Minutes) 
{
	switch(TF_In_Minutes) 
	{
		case PERIOD_M1:		return(1);	// M1
		case PERIOD_M5:		return(2);	// M5
		case PERIOD_M15:	return(3);	// M15
		case PERIOD_M30:	return(4);	// M30
		case PERIOD_H1:		return(5);	// H1
		case PERIOD_H4:		return(6);	// H4
		case PERIOD_D1:		return(7);	// D1
		case PERIOD_W1:		return(8);	// W1
		case PERIOD_MN1:	return(9);	// MN
	}
}


string TimeFrameVal2String(int TF_val)
{
	switch(TF_val) 
	{
		case 1:		return("M1");
		case 2:		return("M5");
		case 3:		return("M15");
		case 4:		return("M30");
		case 5:		return("H1");
		case 6:		return("H4");
		case 7:		return("D1");
		case 8:		return("W1");
		case 9:		return("MN");
	}
}


int SymbolConst2Val(string symbol) 
{
	// Handle problem of trailing chars on mini accounts.
	string mySymbol = StringSubstr(symbol,0,6); 
	
	if (mySymbol == "AUDCAD") 	return(1);
	if (mySymbol == "AUDJPY") 	return(2);
	if (mySymbol == "AUDNZD") 	return(3);
	if (mySymbol == "AUDUSD") 	return(4);
	if (mySymbol == "CADJPY") 	return(5);
	if (mySymbol == "CHFJPY") 	return(6);
	if (mySymbol == "EURAUD") 	return(7);
	if (mySymbol == "EURCAD") 	return(8);
	if (mySymbol == "EURCHF") 	return(9);
	if (mySymbol == "EURGBP") 	return(10);
	if (mySymbol == "EURJPY") 	return(11);
	if (mySymbol == "EURUSD") 	return(12);
	if (mySymbol == "GBPCHF") 	return(13);
	if (mySymbol == "GBPJPY") 	return(14);
	if (mySymbol == "GBPUSD") 	return(15);
	if (mySymbol == "NZDJPY") 	return(16);
	if (mySymbol == "NZDUSD") 	return(17);
	if (mySymbol == "USDCAD") 	return(18);
	if (mySymbol == "USDCHF") 	return(19);
	if (mySymbol == "USDJPY")	return(20);
	return(21);
}


string OrderType2String(int type) 
{
	if (type == OP_BUY) 			return("BUY");
	if (type == OP_SELL) 			return("SELL");
	if (type == OP_BUYSTOP) 		return("BUY STOP");
	if (type == OP_SELLSTOP)		return("SELL STOP");
	if (type == OP_BUYLIMIT) 		return("BUY LIMIT");
	if (type == OP_SELLLIMIT)		return("SELL LIMIT");
	if (type == ALL_PENDING_BUYS)	return("ALL PENDING BUYS");
	if (type == ALL_PENDING_SELLS)	return("ALL PENDING SELLS");
	if (type == ALL_PENDING)		return("ALL OPEN OR ALL PENDING");

	return("NONE");
}


int OrderString2Num(string type)
{
	if (type == "BUY" || type == "buy" || type == "Buy")
		return(OP_BUY);
		
	else if (type == "SELL" || type == "sell" || type == "Sell")
		return(OP_SELL);
		
	else if (type == "BUYSTOP" || type == "buystop" || type == "BuyStop")
		return(OP_BUYSTOP);
		
	else if (type == "SELLSTOP" || type == "sellstop" || type == "SellStop" ||
			 type == "SELL STOP" || type == "sell stop" || type == "Sell Stop")
		return(OP_SELLSTOP);
		
	else if (type == "BUYLIMIT" || type == "buylimit" || type == "BuyLimit" ||
			 type == "BUY LIMIT" || type == "buy limit" || type == "Buy Limit")
		return(OP_BUYLIMIT);
		
	else if (type == "SELLLIMIT" || type == "selllimit" || type == "SellLimit" ||
			 type == "SELL LIMIT" || type == "sell limit" || type == "Sell Limit")
		return(OP_SELLLIMIT);
}


string Bool2Text(bool value) 
{
	return(GetBoolText(value));
}


string GetBoolText(bool value) 
{
	if (value == true) 
		return("True");
	return("False");
}


int GetHigherTF(int TF_In_Minutes) 
{
	if (TF_In_Minutes == 0)
		TF_In_Minutes = Period();

	switch(TF_In_Minutes) 
	{
		case PERIOD_M1:		return(PERIOD_M5);
		case PERIOD_M5:		return(PERIOD_M15);
		case PERIOD_M15:	return(PERIOD_M30);
		case PERIOD_M30:	return(PERIOD_H1);
		case PERIOD_H1:		return(PERIOD_H4);
		case PERIOD_H4:		return(PERIOD_D1);
		case PERIOD_D1:		return(PERIOD_W1);
		case PERIOD_W1:		return(PERIOD_MN1);
		case PERIOD_MN1:	return(PERIOD_MN1);
		default:		Alert("                            Conversions.mqh, GetHigherTF(): invalid value"); 
						return(-1);
	}
}

int GetLowerTF(int TF_In_Minutes) 
{
	if (TF_In_Minutes == 0)
		TF_In_Minutes = Period();

	switch(TF_In_Minutes) 
	{
		case PERIOD_M1:		return(PERIOD_M1);
		case PERIOD_M5:		return(PERIOD_M1);
		case PERIOD_M15:	return(PERIOD_M5);
		case PERIOD_M30:	return(PERIOD_M15);
		case PERIOD_H1:		return(PERIOD_M30);
		case PERIOD_H4:		return(PERIOD_H1);
		case PERIOD_D1:		return(PERIOD_H4);
		case PERIOD_W1:		return(PERIOD_D1);
		case PERIOD_MN1:	return(PERIOD_W1);
		default:		Alert("                            Conversions.mqh, GetLowerTF(): invalid value"); 
						return(-1);
	}
}


string Symbol2LongName(string symb="")
{
	if (symb == "")
		symb = Symbol();
		
	if (symb == "AUDCAD") 	return(C_AUD + ", " + C_CAD);
	if (symb == "AUDJPY") 	return(C_AUD + ", " + C_JPY);
	if (symb == "AUDNZD") 	return(C_AUD + ", " + C_NZD);
	if (symb == "AUDUSD") 	return(C_AUD + ", " + C_USD);
	if (symb == "CADJPY") 	return(C_CAD + ", " + C_JPY);
	if (symb == "CHFJPY") 	return(C_CHF + ", " + C_JPY);
	if (symb == "EURAUD") 	return(C_EUR + ", " + C_AUD);
	if (symb == "EURCAD") 	return(C_EUR + ", " + C_CAD);
	if (symb == "EURCHF") 	return(C_EUR + ", " + C_CHF);
	if (symb == "EURGBP") 	return(C_EUR + ", " + C_GBP);
	if (symb == "EURJPY") 	return(C_EUR + ", " + C_JPY);
	if (symb == "EURUSD") 	return(C_EUR + ", " + C_USD);
	if (symb == "GBPCHF") 	return(C_GBP + ", " + C_CHF);
	if (symb == "GBPJPY") 	return(C_GBP + ", " + C_JPY);
	if (symb == "GBPUSD") 	return(C_GBP + ", " + C_USD);
	if (symb == "NZDJPY") 	return(C_NZD + ", " + C_JPY);
	if (symb == "NZDUSD") 	return(C_NZD + ", " + C_USD);
	if (symb == "USDCAD") 	return(C_USD + ", " + C_CAD);
	if (symb == "USDCHF") 	return(C_USD + ", " + C_CHF);
	if (symb == "USDJPY")	return(C_USD + ", " + C_JPY);
	
}


string TimeFrame2LongName(int TF_In_Minutes) 
{
	switch(TF_In_Minutes) 
	{
		case PERIOD_M1:		return("One Minute");
		case PERIOD_M5:		return("Five Minute");
		case PERIOD_M15:	return("Fifteen Minute");
		case PERIOD_M30:	return("Thirty Minute");
		case PERIOD_H1:		return("Hourly");
		case PERIOD_H4:		return("Four Hour");
		case PERIOD_D1:		return("Daily");
		case PERIOD_W1:		return("Weekly");
		case PERIOD_MN1:	return("Monthly");
	}
}