Amazing Oscillator [Algoalpha]

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © Algoalpha X © SUSHIBOI77

//@version=5
indicator("Amazing Oscillator [Algoalpha]", "AlgoAlpha - 🙌 Amazing Oscillator")

// Inputs
oscPeriod = input.int(20, "Oscillator Length", minval = 1)
// upColor = input.color(#00ffbb, "Up Color")
// downColor = input.color(#ff1100, "Down Color")

// Amazing Oscillator Calculation
midpointPrice = hl2
shortSMA = ta.sma(midpointPrice, 5)
longSMA = ta.sma(midpointPrice, 34)
amazingOsc = shortSMA - longSMA

// RSI-like Calculation
rise = ta.rma(math.max(ta.change(amazingOsc), 0), oscPeriod)
fall = ta.rma(-math.min(ta.change(amazingOsc), 0), oscPeriod)

var float customRSI = na
customRSI := (fall == 0 ? 100 : rise == 0 ? 0 : 100 - (100 / (1 + rise / fall))) - 50

opacityLevel = customRSI > 0 and customRSI > customRSI[1] or customRSI < 0 and customRSI < customRSI[1] ? 30 : 80
// barColor = customRSI > 0 ? color.new(upColor, opacityLevel) : color.new(downColor, opacityLevel)

// --------------------- EXPORTED ---------------------
// var float custom_rsi = na
// custom_rsi := customRSI
// ----------------------------------------------------

// Plots
// plot(customRSI, "RSI Column", barColor, 1, plot.style_columns)
// plot(customRSI, "RSI Line", customRSI > 0 ? color.new(upColor, 0) : color.new(downColor, 0))
// plot(30, "Upper Threshold", color.from_gradient(customRSI, 0, 50, color.new(color.gray, 70), color.new(downColor, 0)), 3)
// plot(-30, "Lower Threshold", color.from_gradient(customRSI, -50, 0, color.new(upColor, 0), color.new(color.gray, 70)), 3)
// midline = plot(0, "Midline", color.gray)

// // Crossover and Crossunder Characters
// plotchar(ta.crossover(customRSI, -30) ? -52 : na, "Buy Signal", char = "x", color = upColor, location = location.absolute, size = size.tiny)
// plotchar(ta.crossunder(customRSI, 30) ? 52 : na, "Sell Signal", char = "x", color = downColor, location = location.absolute, size = size.tiny)

// // Alerts
// alertcondition(ta.crossover(customRSI, -30), "Bullish Reversal", "Amazing Oscillator Bullish Reversal")
// alertcondition(ta.crossunder(customRSI, 30), "Bearish Reversal", "Amazing Oscillator Bearish Reversal")

// alertcondition(ta.crossover(customRSI, 0), "Bullish Trend Shift", "Amazing Oscillator Bullish Trend Shift")
// alertcondition(ta.crossunder(customRSI, 0), "Bearish Trend Shift", "Amazing Oscillator Bearish Trend Shift")

// alertcondition(ta.crossunder(customRSI, customRSI[1]) and customRSI > 0, "Weakening Bullish Trend", "Amazing Oscillator Bullish Trend is Weakening")
// alertcondition(ta.crossover(customRSI, customRSI[1]) and customRSI < 0, "Weakening Bearish Trend", "Amazing Oscillator Bearish Trend is Weakening")