INDIBOT PRO [Indibot Style]

//version=6
indicator("INDIBOT PRO [Indibot Style]", overlay=true, max_labels_count=500)

// === WAVE TREND CALC ===
src = hlc3
n1 = input.int(10, "WT Channel Length")
n2 = input.int(21, "WT Signal Smoothing")
obLevel = input.float(2.0, "Overbought Threshold")
osLevel = input.float(-2.0, "Oversold Threshold")

esa = ta.ema(src, n1)
d = ta.ema(math.abs(src - esa), n1)
ci = (src - esa) / (0.015 * d)
wt1 = ta.ema(ci, n2)
wt2 = ta.sma(wt1, 4)

// === CROSS SIGNALS ===
buyCond = ta.crossover(wt1, wt2) and wt1 < osLevel
sellCond = ta.crossunder(wt1, wt2) and wt1 > obLevel

// === PRICE CHART ARROWS ===
plotshape(buyCond, title="Buy Arrow", location=location.belowbar, style=shape.labelup,
color=color.new(color.teal, 0), text="BUY", textcolor=color.white, size=size.small)

plotshape(sellCond, title="Sell Arrow", location=location.abovebar, style=shape.labeldown,
color=color.new(color.red, 0), text="SELL", textcolor=color.white, size=size.small)

// === OSCILLATOR PANEL ===
plot(wt1, color=color.green, title="WT Line", linewidth=2)
plot(wt2, color=color.red, title="Signal Line", linewidth=2)
hline(obLevel, "Overbought", color=color.red)
hline(osLevel, "Oversold", color=color.green)
hline(0, "", color=color.gray)

// === CROSSOVER DOTS ===
plotshape(ta.crossover(wt1, wt2), title="WT Cross Up", location=location.belowbar, color=color.teal,
style=shape.circle, size=size.tiny, offset=-1)
plotshape(ta.crossunder(wt1, wt2), title="WT Cross Down", location=location.abovebar, color=color.red,
style=shape.circle, size=size.tiny, offset=-1)

// === BACKGROUND COLOR ===
bgcolor(wt1 > obLevel ? color.new(color.red, 90) : wt1 < osLevel ? color.new(color.green, 90) : na, title="OB/OS Zone Highlight")