//@version=6
indicator("ATR Rope + RSI 50 Cross", shorttitle = "AR+RSI", overlay = true)

// ==================== ATR ROPE ======================
var string rp_group = "ATR Rope"

src = input.source(close, "Source", group = rp_group)
len = input.int(14, "ATR Len", group = rp_group)
multi = input.float(1.5, "Multi", step = 0.25, minval = 0, group = rp_group)

up_col = input.color(#3daa45, "Up Color", group = rp_group)
down_col = input.color(#ff033e, "Down Color", group = rp_group)
flat_col = input.color(#004d92, "Flat Color", group = rp_group)

rope_smoother(float _src, float _threshold) =>
    var float _rope = _src
    _move = _src - _rope
    _rope += math.max(math.abs(_move) - nz(_threshold), 0) * math.sign(_move)
    _rope

f_rope(_src, _len, _multi) =>
    _atr = ta.atr(_len) * _multi
    _rope = rope_smoother(_src, _atr)

    var _dir = 0
    _dir := _rope > _rope[1] ? 1 : _rope < _rope[1] ? -1 : _dir
    if ta.cross(_src, _rope)
        _dir := 0

    [_rope, _dir]

// Rope
[rope, dir] = f_rope(src, len, multi)
col = dir > 0 ? up_col : dir < 0 ? down_col : flat_col
plot(rope, linewidth = 3, color = col, title = "ATR Rope", force_overlay = true)

// ==================== RSI 50 CROSS ================================
r = ta.rsi(close, 14)

buy50  = ta.crossover(r, 50) and close > rope
sell50 = ta.crossunder(r, 50) and close < rope

plotshape(buy50,  style=shape.arrowup,   location=location.belowbar, color=color.green, size=size.small)
plotshape(sell50, style=shape.arrowdown, location=location.abovebar, color=color.red,   size=size.small)