// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © RafaelZioni

//@version=4
strategy("Log XZ", overlay=false)

z_length = input(title="Z Length", type=input.integer, defval=14)
src = close
ema_source = input(title="Simple MA", type=input.bool, defval=false)
ema_1 = ema(src, z_length)
rma_1 = rma(src, z_length)
z_ma = ema_source ? ema_1 : rma_1

x = log(z_ma)
XZ=x[1]-x[4]
plot(XZ, title="XZ", color=0 >= XZ ? color.red : color.blue, linewidth=2)
plot(0)


buy_signal = crossover(XZ, 0)
sell_signal = crossunder(XZ, 0)

//INTRADAY AlgoJi
s=input(title="INTRA DAY TRADE SESSION",type=input.session,defval="0915-1450")
st=time(timeframe.period,s)
e=input(title="END SESSION",type=input.session,defval="1515-1520")
et=time(timeframe.period,e)
quant=input(title="Trade Quantity",defval=1)


//AlgoJi adding stoploss and target option
ut=input(defval=false,title="USE TARGET")
us=input(defval=false,title="USE STOPLOSS")

tar=input(defval=10.0,title="TARGET IN RS")
stop=input(defval=7.0,title="STOP LOSS IN RS")
tar:=tar/syminfo.mintick
stop:=stop/syminfo.mintick

//setting automated alerts required by apibridge
lxse="TYPE: LX" + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant) + " :TYPE:SE " + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant)

sxle="TYPE: SX" + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant) + " :TYPE:LE " + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant)

le="TYPE:LE " + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant)

lx="TYPE:LX " + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant)

se="TYPE:SE " + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant)

sx="TYPE:SX " + " :SYMBOL: " + syminfo.ticker + " :QTY: " + tostring(quant)


if(buy_signal and st and strategy.position_size==0)
    strategy.entry("BUY",strategy.long,comment=le)

if(sell_signal and st and strategy.position_size==0)
    strategy.entry("SELL",strategy.short,comment=se)


if(buy_signal and st and strategy.position_size!=0)
    strategy.entry("BUY",strategy.long,comment=sxle)

if(sell_signal and st and strategy.position_size!=0)
    strategy.entry("SELL",strategy.short,comment=lxse)


    
if(ut==true and us==false)
    strategy.exit(id="LX",from_entry="BUY",profit=tar,comment=lx)
    strategy.exit(id="SX",from_entry="SELL",profit=tar,comment=sx)
if(us==true and ut==false)
    strategy.exit(id="LX",from_entry="BUY",loss=stop,comment=lx)
    strategy.exit(id="SX",from_entry="SELL",loss=stop,comment=sx)
    
if(ut==true and us==true)
    strategy.exit(id="LX",from_entry="BUY",profit=tar,loss=stop,comment=lx)
    strategy.exit(id="SX",from_entry="SELL",profit=tar,loss=stop,comment=sx)


strategy.close(id="BUY",when=et,comment=lx)
strategy.close(id="SELL",when=et,comment=sx)