//@version=4
study("Pivot Points High Low", shorttitle="Pivots HL", overlay=true)

lenH = input(title="Length High", type=input.integer, defval=10, minval=1)
lenL = input(title="Length Low", type=input.integer, defval=10, minval=1)

fun(src, len, isHigh, _style, _yloc, _color) =>
    p = nz(src[len])
    isFound = true
    for i = 0 to len - 1
        if isHigh and src[i] > p
            isFound := false

        if not isHigh and src[i] < p
            isFound := false

    for i = len + 1 to 2 * len
        if isHigh and src[i] >= p
            isFound := false

        if not isHigh and src[i] <= p
            isFound := false

    if isFound
        label.new(bar_index[len], p, tostring(p), style=_style, yloc=_yloc, color=_color)

fun(high, lenH, true, label.style_labeldown, yloc.abovebar, color.lime)
fun(low, lenL, false, label.style_labelup, yloc.belowbar, color.red)