//@version=6
indicator("Swing Point Distance Oscillator", overlay = false)

// Input parameters
prd = input.int(defval = 2, title="Pivot Point Period", minval = 1, maxval = 50)
pointsToAverage = input.int(defval = 10, title="Number of Swing Points for Average", minval = 1)

// Pivot High/Low detection
float ph = ta.pivothigh(high, prd, prd)
float pl = ta.pivotlow(low, prd, prd)

// Calculate the distances between swing points
var float[] distances = array.new_float()
if not na(ph) or not na(pl)
    currentSwing = na(ph) ? low[prd] : high[prd]
    if array.size(distances) > 0
        lastSwing = array.get(distances, array.size(distances) - 1)
        distance = math.abs(currentSwing - lastSwing)
        array.push(distances, currentSwing)
        if array.size(distances) > pointsToAverage
            array.shift(distances)
    else
        array.push(distances, currentSwing)

// Calculate average distance for the specified number of swing points
sumDistance = 0.0
if array.size(distances) > 1
    for i = 1 to array.size(distances) - 1
        sumDistance += math.abs(array.get(distances, i) - array.get(distances, i - 1))

averageDistance = array.size(distances) > 1 ? sumDistance / (array.size(distances) - 1) : na

// Plot the oscillator
hline(0, color=color.gray, linestyle=hline.style_dotted, title="Zero Line")
plot(averageDistance, color=color.blue, linewidth=2, title="Avg Distance Oscillator")

// Alerts (optional)
alertcondition(na(averageDistance) == false, title="New Average Distance", message="Updated average swing distance: {{averageDistance}}")