60-Minute Range Highlighter - Color Coded (All Dates)

//version=5
indicator("60-Minute Range Highlighter - Color Coded (All Dates)", overlay=true)

// === INPUTS ===
show_all_ranges = input.bool(true, "Highlight All 60-Minute Ranges")
show_specific_range = input.bool(true, "Show Specific 60-Minute Range")
target_hour = input.int(9, "Target Hour (24h format)", minval=0, maxval=23)

// === COLOR PICKERS ===
color1 = input.color(color.new(color.teal, 85), "Box Color 1")
color2 = input.color(color.new(color.orange, 85), "Box Color 2")
color3 = input.color(color.new(color.purple, 85), "Box Color 3")
color4 = input.color(color.new(color.green, 85), "Box Color 4")
label_color = input.color(color.yellow, "Label Color")

// === TIME CONDITIONS ===
range_period = 60
range_index = math.floor(time / (range_period * 60 * 1000)) // continuous 60-min index
is_new_range = ta.change(range_index)
range_color = switch range_index % 4
0 => color1
1 => color2
2 => color3
=> color4

// === VARS FOR STORING RANGE ===
var float h_start = na
var float l_start = na
var label range_label = na
var box b = na

if is_new_range
h_start := high
l_start := low
if show_all_ranges
b := box.new(left=bar_index, right=bar_index,
top=h_start, bottom=l_start,
border_color=color.new(range_color, 40),
bgcolor=range_color)
else
h_start := math.max(high, h_start)
l_start := math.min(low, l_start)
if show_all_ranges and not na(b)
box.set_right(b, bar_index)
box.set_top(b, h_start)
box.set_bottom(b, l_start)

// === SHOW SPECIFIC RANGE ===
hour_now = hour(time)
next_hour = (target_hour + 1) % 24
in_target_range = (hour_now == target_hour) or (hour_now == next_hour and minute(time) < 30)

if show_specific_range and is_new_range and in_target_range
range_val = h_start - l_start
label.delete(range_label)
mid_price = (h_start + l_start) / 2
range_label := label.new(bar_index, mid_price, text="Range: " + str.tostring(range_val, "#.##"), style=label.style_label_left, color=label_color, textcolor=color.black, size=size.small)