CSW Sequence Candles Pro

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


//@version=5
indicator("CSW Sequence Candles Pro", overlay = true)

// @keywords: smoothed-candlesticks, ema-smoothed-ohlc, sequence-candles, trend-body-fill, bollinger-bands, buy-sell-labels, trend-flip-alerts, momentum-signals, crossover-signals, custom-plotcandle, lower-band-touch, upper-band-touch, trend-direction, signal-debounce, instruction-tooltip, ema-trend-filter, band-squeeze-entry, bar-confirmation, single-signal-filter, plotshape-markers

//--INSTRUCTIONS--//
instructions_tooltip = "• The CSW Sequence Candles are mostly secret sauce that we can't talk too much about. 
 \nThe candles are better variation of the classic Japanese candlesticks. The CSW Sequence Candles should be used 
 \nto keep you on the right side of trend and momentum. \n\nFor best performance turn the default Tradingview candles transparency to 0 so they are hidden entirely."

instructions = input.bool(title='Show Instructions', defval=false, inline='1', tooltip = instructions_tooltip)
if barstate.islast and instructions
    var label instruction_label = na
    if not na(instruction_label[1])
        label.delete(instruction_label[1])
    instruction_label := label.new(bar_index + 5, close, instructions_tooltip, xloc = xloc.bar_index , yloc = yloc.price, color = color.black , style = label.style_label_left, textcolor = color.white, size = size.large, textalign = text.align_left) 
//--INSTRUCTIONS--//

show_signals = input.bool(title = 'Show Signals', defval = true, inline = '2')
show_candle = input.bool(title = 'Show Sequence Candles', defval = true, inline = '3')

color_up = input.color(color.new(#27a69b,0), title='Body', inline='1', group='Bull Candle Settings')
wick_up = input.color(color.new(#27a69b,30), title='Wick', inline='1', group='Bull Candle Settings')
border_up = input.color(color.new(#27a69b,30), title='Border', inline='1', group='Bull Candle Settings')

color_down = input.color(color.new(#b63632,0), title='Body', inline='1', group='Bear Candle Settings')
wick_down = input.color(color.new(#b63632,30), title='Wick', inline='1', group='Bear Candle Settings')
border_down = input.color(color.new(#b63632,30), title='Border', inline='1', group='Bear Candle Settings')

var openMA = 0.00
var highMA = 0.00
var lowMA = 0.00
var closeMA = 0.00

period = 5

openMA := bar_index < period + 1 ? open : ta.ema(open,period)
highMA := bar_index < period + 1 ? high : ta.ema(high,period)
lowMA := bar_index < period + 1 ? low : ta.ema(low,period)
closeMA := bar_index < period + 1 ? close : ta.ema(close,period)

halow = math.min(lowMA, openMA)
hahigh = math.max(highMA, openMA)

candle_ema = ta.ema(closeMA, 20)
body_color = closeMA >= candle_ema ? color_up : color_down
wick_color = closeMA >= candle_ema ? wick_up : wick_down
border_color = closeMA >= candle_ema ? border_up : border_down

var trend_color = 0
trend_color := closeMA >= candle_ema ? 1 : -1

plotcandle(show_candle ? openMA : na , show_candle ? highMA : na ,show_candle ? lowMA : na,show_candle ? closeMA : na, color = body_color, wickcolor = wick_color, bordercolor = border_color, editable = false)

alertcondition(barstate.isconfirmed and body_color != body_color[1] and body_color == color_up, "Trend Chg Bull","Trend Chg Bull")
alertcondition(barstate.isconfirmed and body_color != body_color[1] and body_color == color_down, "Trend Chg Bear","Trend Chg Bear")

[middle, upper, lower] = ta.bb(closeMA, 50, 0.10)

//PLOTTING SIGNAL CODE
//MAIN

buy = barstate.isconfirmed and ta.crossover(trend_color,0) and highMA <= lower
sell = barstate.isconfirmed and ta.crossunder(trend_color,0) and lowMA >= upper

plotshape(show_signals and buy and math.sum(buy == true ? 1 : 0,10) == 1  ? math.min(lowMA,lower) - (syminfo.mintick * 20) : na, style=shape.labelup, editable=false, text= "Buy", textcolor=color.white, location= location.absolute, color=color.new(color_up, 30), size=size.tiny)
plotshape(show_signals and sell and math.sum(sell == true ? 1 : 0,10) == 1  ? math.max(highMA,upper) + (syminfo.mintick * 20) : na, style=shape.labeldown, editable=false, text='Sell', textcolor=color.white, location=location.absolute, color=color.new(color_down, 30), size=size.tiny)