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

//@version=4

study(title="Ichimoku Buy & Sell Signals", shorttitle="Ichimoku", overlay=true)

//  Periods
conversionPeriods = input(20, minval=1, title="Conversion Line Length")
basePeriods = input(60, minval=1, title="Base Line Length")
laggingSpan2Periods = input(120, minval=1, title="Lagging Span 2 Length")
displacement = input(30, minval=1, title="Displacement")

donchian(len) => avg(lowest(len), highest(len))


// Build MA and Ichimoku
conversionLine = donchian(conversionPeriods)
baseLine = donchian(basePeriods)
leadLine1 = avg(conversionLine, baseLine)
leadLine2 = donchian(laggingSpan2Periods)



// Plot MA
plot(conversionLine, color=#00BCD4, transp=25, title="Tenkan")
plot(baseLine, color=#F44336, transp=25, title="Kijun")

// Plot Cloud
p1 = plot(leadLine1, offset = displacement - 1, color=#4CAF50, transp=25, title="Lead 1")
p2 = plot(leadLine2, offset = displacement - 1, color=#FF5252, transp=25, title="Lead 2")

// Color Fill Cloud
fill(p1, p2, color = leadLine1 > leadLine2 ? #4CAF50 : #FF5252, transp=75)



// Plot CROSS at MA Cross Over 
plot(crossover(conversionLine, baseLine) ? conversionLine : na, style = plot.style_circles, color=#00FF00, transp=25, linewidth = 8, title="Cross Long")

// Plot CROSS at MA Cross Under 
plot(crossover(baseLine, conversionLine) ? baseLine : na, style = plot.style_circles, color=#FF9800, transp=25, linewidth = 8, title="Cross Short")