-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=31328
-- Id: 11498
-- More information about this indicator can be found at:
-- http://fxcodebase.com

--+------------------------------------------------------------------+
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--|                                            http://fxcodebase.com |
--+------------------------------------------------------------------+
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--|                                          mario.jemic@gmail.com   |
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--+------------------------------------------------------------------+

function Init()
    strategy:name("Pipe Server");
	strategy:setTag("NonOptimizableParameters", "Email,SendEmail,SoundFile,RecurrentSound,PlaySound,ShowAlert");
    strategy:description("InterOp");

    strategy.parameters:addGroup("Price Parameters");
    strategy.parameters:addString("TF", "TF", "Time frame ('t1', 'm1', 'm5', etc.)", "m1");
    strategy.parameters:setFlag("TF", core.FLAG_PERIODS);
    strategy.parameters:addGroup("Parameters");
    strategy.parameters:addString("Magic", "Magic String", "No description", "MyID");

    strategy.parameters:addGroup("Trading Parameters");
    strategy.parameters:addBoolean("AllowTrade", "Allow strategy to trade", "", false);
    strategy.parameters:setFlag("AllowTrade", core.FLAG_ALLOW_TRADE);
    strategy.parameters:addString("Account", "Account to trade on", "", "");
    strategy.parameters:setFlag("Account", core.FLAG_ACCOUNT);
    strategy.parameters:addInteger("Amount", "Trade Amount in Lots", "", 1, 1, 1000000);
    strategy.parameters:addBoolean("SetLimit", "Set Limit Orders", "", false);
    strategy.parameters:addInteger("Limit", "Limit Order in pips", "", 30, 1, 10000);
    strategy.parameters:addBoolean("SetStop", "Set Stop Orders", "", false);
    strategy.parameters:addInteger("Stop", "Stop Order in pips", "", 30, 1, 10000);
    strategy.parameters:addBoolean("TrailingStop", "Trailing stop order", "", false);

    strategy.parameters:addGroup("Notification");
    strategy.parameters:addBoolean("ShowAlert", "Show Alert", "", false);
    strategy.parameters:addBoolean("PlaySound", "Play Sound", "", false);
    strategy.parameters:addBoolean("RecurSound", "Recurrent Sound", "", false);
    strategy.parameters:addFile("SoundFile", "Sound File", "", "");
    strategy.parameters:setFlag("SoundFile", core.FLAG_SOUND);
    strategy.parameters:addBoolean("SendEmail", "Send Email", "", false);
    strategy.parameters:addString("Email", "Email", "", "");
    strategy.parameters:setFlag("Email", core.FLAG_EMAIL);
end

-- strategy instance initialization routine
-- Processes strategy parameters and creates output streams
-- TODO: Calculate all constants, create instances all necessary indicators and load all required libraries
-- Parameters block
local Magic;
local gSource = nil; -- the source stream
local AllowTicks = true;
local PlaySound;
local RecurrentSound;
local SoundFile;
local Email;
local SendEmail;
local AllowTrade;
local Account;
local Amount;
local BaseSize;
local SetLimit;
local Limit;
local SetStop;
local Stop;
local TrailingStop;
local Offer;
local CanClose;
local ShowAlert;
--TODO: Add variable(s) for your indicator(s) if needed


-- Routine
function Prepare(nameOnly)
    Magic = instance.parameters.Magic;

    local name = profile:id() .. "(" .. Magic .. ")";
    instance:name(name);

    if nameOnly then
        return ;
    end

    if (not(AllowTicks)) then
        assert(instance.parameters.TF ~= "t1", "The strategy cannot be applied on ticks.");
    end

    ShowAlert = instance.parameters.ShowAlert;

    PlaySound = instance.parameters.PlaySound;
    if PlaySound then
        RecurrentSound = instance.parameters.RecurSound;
        SoundFile = instance.parameters.SoundFile;
    else
        SoundFile = nil;
    end
    assert(not(PlaySound) or (PlaySound and SoundFile ~= ""), "Sound file must be specified");

    SendEmail = instance.parameters.SendEmail;
    if SendEmail then
        Email = instance.parameters.Email;
    else
        Email = nil;
    end
    assert(not(SendEmail) or (SendEmail and Email ~= ""), "E-mail address must be specified");


    AllowTrade = instance.parameters.AllowTrade;
    if AllowTrade then
        Account = instance.parameters.Account;
        Amount = instance.parameters.Amount;
        BaseSize = core.host:execute("getTradingProperty", "baseUnitSize", instance.bid:instrument(), Account);
        Offer = core.host:findTable("offers"):find("Instrument", instance.bid:instrument()).OfferID;
        CanClose = core.host:execute("getTradingProperty", "canCreateMarketClose", instance.bid:instrument(), Account);
        SetLimit = instance.parameters.SetLimit;
        Limit = instance.parameters.Limit * instance.bid:pipSize();
        SetStop = instance.parameters.SetStop;
        Stop = instance.parameters.Stop * instance.bid:pipSize();
        TrailingStop = instance.parameters.TrailingStop;
    end

    --gSource = ExtSubscribe(1, nil, instance.parameters.TF, instance.parameters.Type == "Bid", "bar"); 
    --TODO: Find indicator's profile, intialize parameters, and create indicator's instance (if needed)
end

-- strategy calculation routine
-- TODO: Add your code for decision making
-- TODO: Update the instance of your indicator(s) if needed
function ExtUpdate(id, source, period)

end

function Alert(instrument,price,txt,datetime)
	if PlaySound then terminal:alertSound (SoundFile, RecurrentSound) end
	if ShowAlert then 
		local t = string.format("%s - %s @ %.5f",instrument,txt,price);
		terminal:alertMessage (instrument, price, t, datetime)
	end
end

function SendOrder(instrument,price,stop,take)
	if AllowTrade == false then
		return false , "Allow Trading disabled";
	end
	if CanClose then
		
		local lots = NormalizeDouble(getLots(price, stop),0)*BaseSize;
		local valuemap = core.valuemap();
		valuemap.Command = "CreateOrder";
		valuemap.OrderType = "SE";
		valuemap.OfferID = Offer;
		valuemap.AcctID = Account;
		valuemap.Quantity = lots;--Amount;--NormalizeDouble(lotsize,0)*PL[index].Trading.BaseSize;
		valuemap.Rate = price;
		valuemap.BuySell = BS;
		if stop	~= 0 then
			valuemap.RateStop = stop;
		end
		if take	~= 0 then
			valuemap.RateLimit = take;
		end
		if Trailing	~= 0 then
			valuemap.TrailStepStop = Trailing;
		end
		valuemap.CustomID = Magic;

		local success, msg = terminal:execute(300, valuemap);
		return terminal:execute(300, valuemap);
	end
end

dofile(core.app_path() .. "\\strategies\\standard\\include\\helper.lua");