-- Id: 23972
-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=67364

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--|                                            http://fxcodebase.com |
--+------------------------------------------------------------------+
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--|                                          mario.jemic@gmail.com   |
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local indi_alerts = {};
indi_alerts.total_alerts = 1;

function Init()
	indicator:name("ABCD Automatic Fibonacci Expansion ")
	indicator:description("")
	indicator:requiredSource(core.Bar)
	indicator:type(core.Indicator)

	indicator.parameters:addGroup("Calculation")
	indicator.parameters:addInteger("Period1", "Period #1", "Period", 1)
	indicator.parameters:addString("tf1", "Timeframe #1", "", "D1")
	indicator.parameters:setFlag("tf1", core.FLAG_BARPERIODS_EDIT)
	indicator.parameters:addInteger("Period2", "Period #2", "Period", 100)
	indicator.parameters:addString("tf2", "Timeframe #2", "", "D1")
	indicator.parameters:setFlag("tf2", core.FLAG_BARPERIODS_EDIT)
	indicator.parameters:addInteger("Period3", "Period #3", "Period", 300)
	indicator.parameters:addString("tf3", "Timeframe #3", "", "D1")
	indicator.parameters:setFlag("tf3", core.FLAG_BARPERIODS_EDIT)

	indicator.parameters:addString(
		"RetrLevels",
		"Retracement levels",
		"Retracement levels",
		"-0.618, -0.382, -0.272, 0, 0.236, 0.382, 0.5, 0.618, 0.764, 1, 1.272, 1.618"
	)

	indicator.parameters:addGroup("Style")
	indicator.parameters:addColor("color", "Line Color", "", core.rgb(0, 255, 0))
	indicator.parameters:addInteger("width", "Line width", "", 1, 1, 5)
	indicator.parameters:addInteger("style", "Line style", "", core.LINE_SOLID)
	indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE)

	indicator.parameters:addColor("Rcolor", "Retracement Color", "", core.rgb(128, 128, 0))
	indicator.parameters:addInteger("Rwidth", "Retracement width", "", 1, 1, 5)
	indicator.parameters:addInteger("Rstyle", "Retracement style", "", core.LINE_DASH)
	indicator.parameters:setFlag("Rstyle", core.FLAG_LINE_STYLE)

	indicator.parameters:addInteger("transparency", "Line Transparency", "", 50)

	indicator.parameters:addColor("Label", "Text Color", "", core.COLOR_LABEL)
	indi_alerts:AddParameters(indicator.parameters);
    indi_alerts:AddAlert("Signal");
end

-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- Parameters block
local Period1, Period2, Period3
local tf1, tf2, tf3
local source = nil
local first
-- Streams block
local transparency
local Raw = {}
local Up, Down
local min, max, minpos, maxpos
local Direction
local cPeriod = nil
local cValue = nil
local Size
local Label
local Rlevels, Rcount
local ShowRetr
local pipSize

local sources = {}
sources.last_id = 1
sources.ids = {}
sources.items = {}
function sources:Request(id, source, tf)
	local ids = {}
	ids.loading_id = self.last_id
	ids.loaded_id = self.last_id + 1
	ids.loaded = false
	self.last_id = self.last_id + 2
	self.ids[id] = ids

	self.items[id] =
		core.host:execute("getSyncHistory", source:instrument(), tf, source:isBid(), 100, ids.loaded_id, ids.loading_id)
end
function sources:AsyncOperationFinished(cookie, successful, message, message1, message2)
	for index, ids in pairs(self.ids) do
		if ids.loaded_id == cookie then
			ids.loaded = true
			self.allLoaded = nil
			return true
		elseif ids.loading_id == cookie then
			ids.loaded = false
			self.allLoaded = false
			return false
		end
	end
	return false
end
function sources:IsAllLoaded()
	if self.allLoaded == nil then
		for index, ids in pairs(self.ids) do
			if not ids.loaded then
				self.allLoaded = false
				return false
			end
		end
		self.allLoaded = true
	end
	return self.allLoaded
end

local indi_profile

function CreateIndicator(id, tf, length)
	sources:Request(id, source, tf)
	local indicator = {}
	indicator.Period = length
	indicator.source = sources.items[id]
	local parameters = indi_profile:parameters()
	parameters:setInteger("Period", length)
	parameters:setString("RetrLevels", instance.parameters.RetrLevels)
	parameters:setBoolean("show_output", true)
    assert(core.indicators:findIndicator("ABCD AUTOMATIC FIBONACCI EXPANSION 2") ~= nil, "ABCD AUTOMATIC FIBONACCI EXPANSION 2" .. " indicator must be installed");
	indicator.indi = core.indicators:create("ABCD AUTOMATIC FIBONACCI EXPANSION 2", indicator.source, parameters)
	function indicator:Update(main_period)
		indicator.indi:update(core.UpdateLast)
	end
	function indicator:GetDirection(main_period)
		local date = source:date(main_period);
		local index = core.findDate(self.source, date, false);
		if index < 2 then
			return 0;
		end
		if self.indi.UP[index - 2] == 1 then
			return 1;
		end
		if self.indi.DOWN[index - 2] == 1 then
			return -1;
		end
		return 0;
	end
	return indicator
end

local indicators = {}
-- Routine
function Prepare(nameOnly)
	indi_alerts:Prepare();
    indi_alerts.source = instance.source;
    instance:drawOnMainChart(true);
	Period1 = instance.parameters.Period1
	Period2 = instance.parameters.Period2
	Period3 = instance.parameters.Period3
	tf1 = instance.parameters.tf1
	tf2 = instance.parameters.tf2
	tf3 = instance.parameters.tf3
	Size = instance.parameters.Size
	Label = instance.parameters.Label
	ShowRetr = instance.parameters.ShowRetr
	source = instance.source

	first = source.close:first()
	local name =
		profile:id() ..
		"(" ..
			source:name() .. "," .. Period1 .. "/" .. tf1 .. "," .. Period2 .. "/" .. tf2 .. "," .. Period3 .. "/" .. tf3 .. ")"
	instance:name(name)

	if (nameOnly) then
		return
	end

	indi_profile = core.indicators:findIndicator("ABCD AUTOMATIC FIBONACCI EXPANSION 2")
	assert(indi_profile ~= nil, "Please download and install ABCD AUTOMATIC FIBONACCI EXPANSION 2.lua indicator")

	indicators[#indicators + 1] = CreateIndicator(1, tf1, Period1)
	indicators[#indicators + 1] = CreateIndicator(2, tf2, Period2)
	indicators[#indicators + 1] = CreateIndicator(3, tf3, Period3)
	Rlevels, Rcount = core.parseCsv(instance.parameters.RetrLevels, ",")
	if tonumber(Rlevels[0]) == nil then
		Rcount = 0
	end

	local i
	for i = 0, Rcount - 1, 1 do
		Rlevels[i] = tonumber(Rlevels[i])
	end

	pipSize = source:pipSize()

	instance:ownerDrawn(true)
end
function Draw(stage, context) indi_alerts:Draw(stage, context, source); end

function Update(period, mode)
	if not sources:IsAllLoaded() then
		return
	end
	indicators[1].indi:update(mode);
	indicators[2].indi:update(mode);
	indicators[3].indi:update(mode);
	
	for _, alert in ipairs(indi_alerts.Alerts) do Activate(alert, period, period ~= source:size() - 1); end
end

function Activate(alert, period, historical_period)
    if indi_alerts.Live ~= "Live" then period = period - 1; end
    alert.Alert[period] = 0;
    if not alert.ON then
        if indi_alerts.FIRST then indi_alerts.FIRST = false; end
        return;
    end
    if alert.id == 1 then
        if indicators[1]:GetDirection(period) == 1 and indicators[2]:GetDirection(period) == 1 and indicators[3]:GetDirection(period) == 1 then
            alert:UpAlert(source, period, alert.Label .. ". Bull pattern", source.high[period], historical_period);
        elseif indicators[1]:GetDirection(period) == -1 and indicators[2]:GetDirection(period) == -1 and indicators[3]:GetDirection(period) == -1 then
            alert:DownAlert(source, period, alert.Label .. ". Bear pattern", source.low[period], historical_period);
        end
    end

    if indi_alerts.FIRST then indi_alerts.FIRST = false; end
end

function AsyncOperationFinished(cookie, successful, message, message1, message2)
	indi_alerts:AsyncOperationFinished(cookie, success, message, message1, message2);
	if sources:AsyncOperationFinished(cookie, successful, message, message1, message2) and sources:IsAllLoaded() then
		instance:updateFrom(0);
	end
end

indi_alerts.Version = "1.5";
indi_alerts.last_id = 0;
indi_alerts.FIRST = true;
indi_alerts._alerts = {};
indi_alerts._advanced_alert_timer = nil;
function indi_alerts:AddParameters(parameters)
    indicator.parameters:addGroup("Alert Mode");  
    indicator.parameters:addString("Live", "End of Turn / Live", "", "Live");
    indicator.parameters:addStringAlternative("Live", "End of Turn", "", "End of Turn");
    indicator.parameters:addStringAlternative("Live", "Live", "", "Live");
    indicator.parameters:addBoolean("strategy_output", "Output for strategies", "Used by the strategies", false);

    indicator.parameters:addInteger("ToTime", "Convert the date to", "", 6)
    indicator.parameters:addIntegerAlternative("ToTime", "EST", "", 1)
    indicator.parameters:addIntegerAlternative("ToTime", "UTC", "", 2)
    indicator.parameters:addIntegerAlternative("ToTime", "Local", "", 3)
    indicator.parameters:addIntegerAlternative("ToTime", "Server", "", 4)
    indicator.parameters:addIntegerAlternative("ToTime", "Financial", "", 5)
    indicator.parameters:addIntegerAlternative("ToTime", "Display", "", 6)
    
    indicator.parameters:addGroup("Alert Style");
    indicator.parameters:addInteger("Size", "Label Size", "", 10, 1 , 100);
    
    indicator.parameters:addGroup("Alerts");
    indicator.parameters:addBoolean("Show", "Show Dialog box Alert", "", true);
    indicator.parameters:addBoolean("ShowAlert", "Show Alert", "", true);
    
    indicator.parameters:addGroup("Alerts Sound");
    indicator.parameters:addBoolean("PlaySound", "Play Sound", "", true);    
    indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false);
    
    indicator.parameters:addGroup("Alerts Email");
    indicator.parameters:addBoolean("SendEmail", "Send Email", "", true);
    indicator.parameters:addString("Email", "Email", "", "");
    indicator.parameters:setFlag("Email", core.FLAG_EMAIL);

    indicator.parameters:addGroup("External Alerts");
    indicator.parameters:addBoolean("use_advanced_alert", "Send Advanced Alert", "Telegram or Telegram Channel", false);
    indicator.parameters:addString("telegram_key", "Advanced Alert Key", "Start converstation with @profit_robots_bot Telegram Bot to get the key", "");
end

function indi_alerts:AsyncOperationFinished(cookie, success, message, message1, message2) if cookie == self._advanced_alert_timer and #self._alerts > 0 then if self._advanced_alert_key == nil then return; end local data = self:ArrayToJSON(self._alerts); self._alerts = {}; local req = http_lua.createRequest(); local query = string.format('{"Key":"%s","StrategyName":"%s","Platform":"FXTS2","Notifications":%s}', self._advanced_alert_key, string.gsub(self.StrategyName or "", '"', '\\"'), data); req:setRequestHeader("Content-Type", "application/json"); req:setRequestHeader("Content-Length", tostring(string.len(query))); req:start("http://profitrobots.com/api/v1/notification", "POST", query); end end
function indi_alerts:ToJSON(item)
    local json = {};
    function json:AddStr(name, value) local separator = ""; if self.str ~= nil then separator = ","; else self.str = ""; end self.str = self.str .. string.format("%s\"%s\":\"%s\"", separator, tostring(name), tostring(value)); end
    function json:AddNumber(name, value) local separator = ""; if self.str ~= nil then separator = ","; else self.str = ""; end self.str = self.str .. string.format("%s\"%s\":%f", separator, tostring(name), value or 0); end
    function json:AddBool(name, value) local separator = ""; if self.str ~= nil then separator = ","; else self.str = ""; end self.str = self.str .. string.format("%s\"%s\":%s", separator, tostring(name), value and "true" or "false"); end
    function json:ToString() return "{" .. (self.str or "") .. "}"; end
    local first = true; for idx,t in pairs(item) do  local stype = type(t) if stype == "number" then json:AddNumber(idx, t); elseif stype == "string" then json:AddStr(idx, t); elseif stype == "boolean" then json:AddBool(idx, t); elseif stype == "function" or stype == "table" then else core.host:trace(tostring(idx) .. " " .. tostring(stype)); end end
    return json:ToString();
end
function indi_alerts:ArrayToJSON(arr) local str = "["; for i, t in ipairs(self._alerts) do local json = self:ToJSON(t); if str == "[" then str = str .. json; else str = str .. "," .. json; end end return str .. "]"; end
function indi_alerts:AddAlert(Label)
    self.last_id = self.last_id + 1;
    indicator.parameters:addGroup(Label .. " Alert");

    indicator.parameters:addBoolean("ON" .. self.last_id , "Show " .. Label .." Alert" , "", true);

    indicator.parameters:addFile("Up" .. self.last_id, Label .. " Cross Over Sound", "", "");
    indicator.parameters:setFlag("Up" .. self.last_id, core.FLAG_SOUND);
    indicator.parameters:addInteger("UpSymbol" .. self.last_id, "Up Symbol", "", 217);
    indicator.parameters:addColor("UpColor" .. self.last_id, "Up Color", "", core.rgb(0, 255, 0));
    
    indicator.parameters:addFile("Down" .. self.last_id, Label .. " Cross Under Sound", "", "");
    indicator.parameters:setFlag("Down" .. self.last_id, core.FLAG_SOUND);
    indicator.parameters:addInteger("DownSymbol" .. self.last_id, "Down Symbol", "", 218);
    indicator.parameters:addColor("DownColor" .. self.last_id, "Down Color", "", core.rgb(255, 0, 0));

    indicator.parameters:addString("Label" .. self.last_id, "Label", "", Label);
end

indi_alerts.init = false;
function indi_alerts:Draw(stage, context)
    if stage ~= 102 then
        return;
    end
    if not self.init then
        context:createFont(1, "Wingdings", context:pointsToPixels(self.Size), context:pointsToPixels(self.Size), 0);
        self.init = true;
    end
    for period = math.max(context:firstBar(), self.source:first()), math.min(context:lastBar(), self.source:size()-1), 1 do
        x, x1, x2= context:positionOfBar(period);
        for _, level in ipairs(self.Alerts) do
            if level.Alert:hasData(period) then
                if level.Alert[period] == 1 then
                    visible, y = context:pointOfPrice(level.AlertLevel[period]);
                    width, height = context:measureText(1, level.UpSymbol, 0);
                    context:drawText(1, level.UpSymbol, level.UpColor, -1, x - width / 2, y - height, x+width / 2, y, 0);
                elseif level.Alert[period] == -1 then
                    visible, y = context:pointOfPrice(level.AlertLevel[period]);
                    width, height = context:measureText(1, level.DownSymbol, 0);
                    context:drawText(1, level.DownSymbol, level.DownColor, -1, x - width / 2, y, x + width/2, y + height, 0);
                end
            end
        end
    end
end
indi_alerts.Alerts = {};
function indi_alerts:GetTimezone()
    local tz = instance.parameters.ToTime;
    if tz == 1 then
        return core.TZ_EST
    elseif tz == 2 then
        return core.TZ_UTC
    elseif tz == 3 then
        return core.TZ_LOCAL
    elseif tz == 4 then
        return core.TZ_SERVER
    elseif tz == 5 then
        return core.TZ_FINANCIAL
    elseif tz == 6 then
        return core.TZ_TS
    end
end
function indi_alerts:Prepare()
    self.Show = instance.parameters.Show;
    self.Live = instance.parameters.Live;
    self.ShowAlert = instance.parameters.ShowAlert;
    self.ToTime = self:GetTimezone();
    
    self.Size = instance.parameters.Size;
    self.SendEmail = instance.parameters.SendEmail;

    self.PlaySound = instance.parameters.PlaySound;
    local i;
    for i = 1, self.total_alerts, 1 do 
        local alert = {};
        alert.id = i;
        alert.Label = instance.parameters:getString("Label" .. i);
        alert.ON = instance.parameters:getBoolean("ON" .. i);
        alert.UpSymbol = string.char(instance.parameters:getInteger("UpSymbol" .. i));
        alert.DownSymbol = string.char(instance.parameters:getInteger("DownSymbol" .. i));
        alert.UpColor = instance.parameters:getColor("UpColor" .. i);
        alert.DownColor = instance.parameters:getColor("DownColor" .. i);
        alert.Up = self.PlaySound and instance.parameters:getString("Up" .. i) or nil;
        alert.Down = self.PlaySound and instance.parameters:getString("Down" .. i) or nil;
        assert(not(self.PlaySound) or (self.PlaySound and alert.Up ~= "") or (self.PlaySound and alert.Up ~= ""), "Sound file must be chosen"); 
        assert(not(self.PlaySound) or (self.PlaySound and alert.Down ~= "") or (self.PlaySound and alert.Down ~= ""), "Sound file must be chosen");
        alert.U = nil;
        alert.D = nil;
        if instance.parameters.strategy_output then
            alert.Alert = instance:addStream("strat_signal_" .. i, core.Dot, "strat_signal_" .. i, "Strategy signal #" .. i, core.rgb(0, 0, 0), 0, 0);
        else
            alert.Alert = instance:addInternalStream(0, 0);
        end
        alert.AlertLevel = instance:addInternalStream(0, 0);
        function alert:DownAlert(source, period, text, level, historical_period)
            shift = indi_alerts.Live ~= "Live" and 1 or 0;
            self.Alert[period] = -1;
            self.AlertLevel[period] = level;
            self.U = nil;
            if self.D ~= source:serial(period) and period == source:size() - 1 - shift and not indi_alerts.FIRST then
                self.D = source:serial(period);
                if not historical_period then
                    indi_alerts:SoundAlert(self.Down);
                    indi_alerts:EmailAlert(self.Label, text, period);
                    indi_alerts:SendAlert(self.Label, text, period);
                    if indi_alerts.Show then
                        indi_alerts:Pop(self.Label, text);
                    end
                end
            end
        end
        function alert:UpAlert(source, period, text, level, historical_period)
            shift = indi_alerts.Live ~= "Live" and 1 or 0;
            self.Alert[period] = 1;
            self.AlertLevel[period] = level;
            self.D = nil;
            if self.U ~= source:serial(period) and period == source:size() - 1 - shift and not indi_alerts.FIRST then
                self.U=source:serial(period);
                if not historical_period then
                    indi_alerts:SoundAlert(self.Up);
                    indi_alerts:EmailAlert(self.Label, text, period);
                    indi_alerts:SendAlert(self.Label, text, period);
                    if indi_alerts.Show then
                        indi_alerts:Pop(self.Label, text);
                    end
                end
            end
        end
        self.Alerts[#self.Alerts + 1] = alert;
    end

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

    if instance.parameters.advanced_alert_key ~= "" and instance.parameters.use_advanced_alert then
        self._advanced_alert_key = instance.parameters.advanced_alert_key;
        require("http_lua");
        self._advanced_alert_timer = 1234;
        core.host:execute("setTimer", self._advanced_alert_timer, 1);
    end
end

function indi_alerts:Pop(label, note)
    core.host:execute("prompt", 1, label, self.source:instrument() .. " " .. label .. " : " .. note);
end

function indi_alerts:SoundAlert(Sound)
    if not self.PlaySound then
        return;
    end
    terminal:alertSound(Sound, self.RecurrentSound);
end

function indi_alerts:EmailAlert(label, Subject, period)
    if not self.SendEmail then
        return
    end

    local now = self.source:date(period);
    now = core.host:execute("convertTime", core.TZ_EST, self.ToTime, now);
    local DATA = core.dateToTable(now)
    local delim = "\013\010";  
    local Note = profile:id().. delim.. " Label : " ..label  .. delim .. " Alert : " .. Subject;   
    local Symbol = "Instrument : " .. self.source:instrument() ;
    local Time =  " Date : " .. DATA.month.." / ".. DATA.day .." Time:  ".. DATA.hour  .." / ".. DATA.min .." / ".. DATA.sec; 
    local TF = "Time Frame : " .. source:barSize()
    local text = Note  .. delim ..  Symbol .. delim .. TF .. delim .. Time;
    terminal:alertEmail(self.Email, profile:id(), text);
end

function indi_alerts:SendAlert(label, Subject, period)
    if not self.ShowAlert then
        return;
    end
    
    local now = self.source:date(period);
    now = core.host:execute("convertTime", core.TZ_EST, self.ToTime, now);
    local DATA = core.dateToTable(now)
    local delim = "\013\010";  
    local Note = profile:id().. delim.. " Label : " ..label  .. delim .. " Alert : " .. Subject;
    local Symbol= "Instrument : " .. self.source:instrument() ;
    local Time =  " Date : " .. DATA.month.." / ".. DATA.day .." Time:  ".. DATA.hour  .." / ".. DATA.min .." / ".. DATA.sec;  
    local TF = "Time Frame : " .. source:barSize()
    local text = Note  .. delim ..  Symbol .. delim .. TF .. delim .. Time;
    terminal:alertMessage(self.source:instrument(), self.source[NOW], text, self.source:date(NOW));
end

function indi_alerts:AlertTelegram(message, instrument, timeframe) local alert = {}; alert.Text = message or ""; alert.Instrument = instrument or ""; alert.TimeFrame = timeframe or ""; self._alerts[#self._alerts + 1] = alert; end