Swing High Low Price Channel V.1
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © ZoomerXeus

//@version=4
strategy("Swing High Low Price Channel V.1", overlay=true)

//========================= variable =================================//
dead_channel_source = input(title="Main swing channel source", defval="H/L", options=["H/L"])
fast_signal_length = input(title="Fast Slow Length", type=input.integer, defval=7, maxval=49, minval=1)
slow_signal_length = input(title="Slow Slow Length", type=input.integer, defval=20, maxval=49, minval=1)
is_show_only_dead_channel = input(title="Show main channel only", defval=true)
main_channel_width = input(title="Main line width", defval=2, minval=1)
signal_channel_width = input(title="Signal line width", defval=1, minval=1)

//========================= indicator function =================================//
dead_cross_high_50 = highest(high, 50) 
dead_cross_high_200 = highest(high, 200) 
//========================================
dead_cross_low_50 = lowest(low, 50) 
dead_cross_low_200 = lowest(low, 200) 
//========================================
medain_dead_cross_50 = ((dead_cross_high_50-dead_cross_low_50)*0.5)+dead_cross_low_50
medain_dead_cross_200 = ((dead_cross_high_200-dead_cross_low_200)*0.5)+dead_cross_low_200


//========================================
fasthighest = highest(high, fast_signal_length)
fastlowest = lowest(low, fast_signal_length)
//========================================
slowhighest = highest(high, slow_signal_length)
slowlowest = lowest(low, slow_signal_length)
//========================================

    
//========================= plot =================================//
plot(dead_channel_source == "H/L" ? dead_cross_high_50 : na,title="50 bar highest", color=color.red, linewidth=main_channel_width)
plot(dead_channel_source == "H/L" ? dead_cross_high_200 : na,title="200 bar highest", color=color.aqua, linewidth=main_channel_width)
plot(dead_channel_source == "H/L" ? dead_cross_low_50 : na,title="50 bar lowest", color=color.red, linewidth=main_channel_width)
plot(dead_channel_source == "H/L" ? dead_cross_low_200 : na,title="200 bar lowest", color=color.aqua, linewidth=main_channel_width)
plot(dead_channel_source == "H/L" ? medain_dead_cross_200 : na,title="200 bar middle lowest", color=color.orange, linewidth=main_channel_width)
plot(dead_channel_source == "H/L" ? medain_dead_cross_50 : na,title="50 bar middle lowest", color=color.lime, linewidth=main_channel_width)
//===========================================
plot(is_show_only_dead_channel == false ? fasthighest : na,title="fast signal highest", color=#ff00f9, linewidth=signal_channel_width)
plot(is_show_only_dead_channel == false ? fastlowest : na,title="fast signal lowest", color=#ff00f9, linewidth=signal_channel_width)
plot(is_show_only_dead_channel == false ? slowhighest : na,title="slow signal highest", color=color.white, linewidth=signal_channel_width)
plot(is_show_only_dead_channel == false ? slowlowest : na,title="slow signal lowest", color=color.white, linewidth=signal_channel_width)
//===========================================
plot(crossover(medain_dead_cross_50, medain_dead_cross_200) ? medain_dead_cross_200 : na, title="Dead cross buy plot", style=plot.style_circles, linewidth=6, color=color.lime)
plot(crossunder(medain_dead_cross_50, medain_dead_cross_200) ? medain_dead_cross_200 : na, title="Dead cross sell plot", style=plot.style_circles, linewidth=6, color=color.red)
plot(is_show_only_dead_channel and (medain_dead_cross_50 < medain_dead_cross_200) and high == slowhighest ? high : na, title="Follow trend short term  sell plot zone", style=plot.style_circles, linewidth=3, color=color.orange)
plot(is_show_only_dead_channel and (medain_dead_cross_50 > medain_dead_cross_200) and low == slowlowest ? low : na, title="Follow trend short term buy plot zone", style=plot.style_circles, linewidth=3, color=color.green)
plot(is_show_only_dead_channel and high == slowhighest and (high == dead_cross_high_200) ? high : na, title="Not follow trend short term  sell plot zone", style=plot.style_circles, linewidth=3, color=color.orange)
plot(is_show_only_dead_channel and low == slowlowest and (low == dead_cross_low_200) ? low : na, title="Not follow trend short term buy plot zone", style=plot.style_circles, linewidth=3, color=color.green)

//===================== open close order condition =========================================================//
//strategy.entry("strong buy", true, 1000, when=low == dead_cross_low_200)
//strategy.exit("close strong buy 50%", "strong buy", qty_percent=50, when=high==slowhighest)
//strategy.entry("strong sell", false, 1000, when=high == dead_cross_high_200)
//strategy.exit("close strong sell 50%", "strong sell", qty_percent=50, when=low==slowlowest)