101 Michaels Bands Back to Basics

//@version=5
strategy("101 Michaels Bands Back to Basics", overlay=true)

sma12 = ta.sma(close, 12)
sma22 = ta.sma(close, 22)
sma50 = ta.sma(close, 50)

// Declare bandColor variable
var color bandColor = na

// Entry conditions
longCondition = sma12 > sma22 and sma50 < sma22
shortCondition = sma12 < sma22 and sma50 > sma22

// Entry
if (longCondition)
    bandColor := color.green
    strategy.entry("Long", strategy.long)

if (shortCondition)
    bandColor := color.red
    strategy.entry("Short", strategy.short)

// Plots
plot(sma12, color=bandColor, linewidth=1)
plot(sma22, color=bandColor, linewidth=3)
plot(sma50, color=color.blue, linewidth=3)