Get Grid strategy Code That Actually Works

//@version=5
indicator("Grid Strategy Levels", shorttitle="Grid Strat", overlay=true)

// Input parameters
gridSize = input.float(0.5, "Grid Size %", minval=0.1, maxval=5.0, step=0.1) / 100
gridLevels = input.int(10, "Number of Grid Levels", minval=1, maxval=20)
showBuys = input.bool(true, "Show Buy Levels")
showSells = input.bool(true, "Show Sell Levels")
lineWidth = input.int(2, "Line Width", minval=1, maxval=5)

// Reference price (current close for dynamic grid)
refPrice = close

// Calculate grid levels up and down
upperLevels = array.new<float>(gridLevels)
lowerLevels = array.new<float>(gridLevels)

for i = 0 to gridLevels - 1
    array.set(upperLevels, i, refPrice * math.pow(1 + gridSize, i + 1))
    array.set(lowerLevels, i, refPrice * math.pow(1 - gridSize, i + 1))

// Plot upper grid lines (sell levels)
if showSells
    for i = 0 to gridLevels - 1
        levelPrice = array.get(upperLevels, i)
        line.new(bar_index - 50, levelPrice, bar_index + 10, levelPrice, color=color.red, width=lineWidth, style=line.style_dashed)
        label.new(bar_index + 5, levelPrice, "Sell " + str.tostring(i+1), style=label.style_label_left, color=color.red, size=size.small)

// Plot lower grid lines (buy levels)
if showBuys
    for i = 0 to gridLevels - 1
        levelPrice = array.get(lowerLevels, i)
        line.new(bar_index - 50, levelPrice, bar_index + 10, levelPrice, color=color.green, width=lineWidth, style=line.style_dashed)
        label.new(bar_index + 5, levelPrice, "Buy " + str.tostring(i+1), style=label.style_label_left, color=color.green, size=size.small)

// Alert conditions for price hitting grid levels
buyHit = false
sellHit = false

for i = 0 to gridLevels - 1
    buyLevel = array.get(lowerLevels, i)
    sellLevel = array.get(upperLevels, i)
    if ta.crossover(close, buyLevel)
        buyHit := true
    if ta.crossunder(close, sellLevel)
        sellHit := true

alertcondition(buyHit, title="Grid Buy Signal", message="Price hit grid buy level!")
alertcondition(sellHit, title="Grid Sell Signal", message="Price hit grid sell level!")

// Plot reference price
plot(refPrice, "Reference Price", color=color.blue, linewidth=1)

// Background color for ranging market hint
bgcolor(ta.atr(14) < ta.sma(ta.atr(14), 20) ? color.new(color.yellow, 95) : na, title="Range Hint")