Cassures Tokyo pendant New York

//version=5
indicator("Cassures Tokyo pendant New York", overlay=true)

// Paramètres de sessions
// Début et fin de Tokyo (00h00 - 08h00 GMT)
tokyo_start = timestamp("GMT+0", year(timenow), month(timenow), dayofmonth(timenow), 0, 0)
tokyo_end = timestamp("GMT+0", year(timenow), month(timenow), dayofmonth(timenow), 8, 0)

// Début et fin de New York (13h30 - 22h00 GMT)
ny_start = timestamp("GMT+0", year(timenow), month(timenow), dayofmonth(timenow), 13, 30)
ny_end = timestamp("GMT+0", year(timenow), month(timenow), dayofmonth(timenow), 22, 0)

// Initialisation des variables persistantes
var float tokyo_high = na
var float tokyo_low = na
var bool ny_started = false
var bool high_broken = false
var bool low_broken = false

// Reset des valeurs à chaque nouvelle journée
if (time >= tokyo_start and time < tokyo_end)
tokyo_high := na
tokyo_low := na
high_broken := false
low_broken := false
ny_started := false

// Détection du high/low Tokyo
if (time >= tokyo_start and time < tokyo_end)
tokyo_high := na(tokyo_high) ? high : math.max(tokyo_high, high)
tokyo_low := na(tokyo_low) ? low : math.min(tokyo_low, low)

// Détection des cassures pendant New York
if (time >= ny_start and time < ny_end)
ny_started := true
if not na(tokyo_high) and high > tokyo_high
high_broken := true
if not na(tokyo_low) and low < tokyo_low
low_broken := true

// Affichage des niveaux Tokyo
plot(tokyo_high, "Tokyo High", color=color.green, linewidth=1, style=plot.style_linebr)
plot(tokyo_low, "Tokyo Low", color=color.red, linewidth=1, style=plot.style_linebr)

// Surlignage visuel en session NY selon cassure
bgcolor(ny_started and high_broken and low_broken ? color.orange : ny_started and high_broken ? color.new(color.green, 80) : ny_started and low_broken ? color.new(color.red, 80) : na)

// Affichage texte sur le graphique
label_id = label.new(x=bar_index, y=high, text="", style=label.style_label_down, textcolor=color.white, size=size.tiny, color=color.gray)

if (ny_started)
label_text = high_broken and low_broken ? "Cassure HIGH & LOW Tokyo" :
high_broken ? "Cassure HIGH Tokyo" :
low_broken ? "Cassure LOW Tokyo" :
"Aucune cassure"
label.set_text(label_id, label_text)
label.set_xy(label_id, bar_index, high + syminfo.mintick * 10)