Forex Sessions - Simple

//version=5
indicator("Forex Sessions - Simple", overlay=true)

// === INPUTS === //
showSydney = input.bool(true, "Show Sydney")
showTokyo = input.bool(true, "Show Tokyo")
showLondon = input.bool(true, "Show London")
showNY = input.bool(true, "Show New York")

// Color customization
colorSydney = input.color(color.new(color.blue, 70), "Sydney Color")
colorTokyo = input.color(color.new(color.orange, 70), "Tokyo Color")
colorLondon = input.color(color.new(color.green, 70), "London Color")
colorNY = input.color(color.new(color.red, 70), "New York Color")

// === SESSION LOGIC (UTC TIME) === //
sydneySession = showSydney and ((hour >= 22) or (hour < 7))
tokyoSession = showTokyo and (hour >= 0 and hour < 9)
londonSession = showLondon and (hour >= 8 and hour < 17)
nySession = showNY and (hour >= 13 and hour < 22)

// Determine active session (priority order: NY > London > Tokyo > Sydney)
sessionColor = color(na)
if nySession
sessionColor := colorNY
else if londonSession
sessionColor := colorLondon
else if tokyoSession
sessionColor := colorTokyo
else if sydneySession
sessionColor := colorSydney

// === BACKGROUND COLOR === //
bgcolor(sessionColor, title="Session Highlight")

// === SESSION LEGEND === //
var table legend = table.new(position.top_right, 1, 5, border_width=1)
if bar_index == 0
table.cell(legend, 0, 0, "Sessions", bgcolor=color.gray, text_color=color.white)
table.cell(legend, 0, 1, "Sydney", bgcolor=colorSydney)
table.cell(legend, 0, 2, "Tokyo", bgcolor=colorTokyo)
table.cell(legend, 0, 3, "London", bgcolor=colorLondon)
table.cell(legend, 0, 4, "New York", bgcolor=colorNY)