ICT FVG & Swing Detector Basic by Trader Riaz

//version=6
indicator("ICT FVG & Swing Detector Basic by Trader Riaz", overlay=true)

// Display toggles for Bullish FVGs
show_bull_fvg = input.bool(true, "Show Bullish FVGs?")
// Input settings for Bullish FVGs
fvg_bull_count = input.int(1, "Number of Bullish FVGs to show", minval=1)
// Color settings for Bullish FVGs
bullish_fvg_color = input.color(color.green, "Bullish FVG Color")
// Bullish FVG Extend Options
bull_fvg_extendGroup = "Bullish FVG Extend Options"
bull_fvg_extendOption = input.string("Default", "Bullish FVG Extend Option", options=["None", "Limited", "Default"], group=bull_fvg_extendGroup)
bull_fvg_extendCandles = input.int(8, "Bullish FVG Extend Candles (Limited Only)", minval=1, maxval=100, step=1, group=bull_fvg_extendGroup)

// Display toggles for Bearish FVGs
show_bear_fvg = input.bool(true, "Show Bearish FVGs?")
// Input settings for Bearish FVGs
fvg_bear_count = input.int(1, "Number of Bearish FVGs to show", minval=1)
// Color settings for Bearish FVGs
bearish_fvg_color = input.color(color.red, "Bearish FVG Color")
// Bearish FVG Extend Options
bear_fvg_extendGroup = "Bearish FVG Extend Options"
bear_fvg_extendOption = input.string("Default", "Bearish FVG Extend Option", options=["None", "Limited", "Default"], group=bear_fvg_extendGroup)
bear_fvg_extendCandles = input.int(8, "Bearish FVG Extend Candles (Limited Only)", minval=1, maxval=100, step=1, group=bear_fvg_extendGroup)

// Display toggles for Swing Highs
show_swing_high = input.bool(true, "Show Swing Highs?")
// Input settings for Swing Highs
swing_high_count = input.int(2, "Number of Swing Highs to show", minval=1)
// Color settings for Swing Highs
swing_high_color = input.color(color.green, "Swing High Line & Label Color")
// Swing High Extend Options
swing_high_extendGroup = "Swing High Extend Options"
swing_high_extendOption = input.string("Default", "Swing High Extend Option", options=["None", "Limited", "Default"], group=swing_high_extendGroup)
swing_high_extendCandles = input.int(8, "Swing High Extend Candles (Limited Only)", minval=1, maxval=100, step=1, group=swing_high_extendGroup)

// Display toggles for Swing Lows
show_swing_low = input.bool(true, "Show Swing Lows?")
// Input settings for Swing Lows
swing_low_count = input.int(2, "Number of Swing Lows to show", minval=1)
// Color settings for Swing Lows
swing_low_color = input.color(color.red, "Swing Low Line & Label Color")
// Swing Low Extend Options
swing_low_extendGroup = "Swing Low Extend Options"
swing_low_extendOption = input.string("Default", "Swing Low Extend Option", options=["None", "Limited", "Default"], group=swing_low_extendGroup)
swing_low_extendCandles = input.int(8, "Swing Low Extend Candles (Limited Only)", minval=1, maxval=100, step=1, group=swing_low_extendGroup)

// Target Settings
showNextTarget = input.bool(true, "Show Next Target")
nextTargetHighColor = input.color(color.red, "Next Target High Color")
nextTargetLowColor = input.color(color.red, "Next Target Low Color")

// === Time Calculation ===
// Calculate one bar duration in milliseconds
barDuration = time - time[1]
// Define reasonable extension period (4 bars into future)
extensionPeriod = barDuration * 4

// Arrays to store values with timestamps
var bull_fvg_data = array.new<box>(0)
var bear_fvg_data = array.new<box>(0)
var swing_high_data = array.new<line>(0)
var swing_low_data = array.new<line>(0)
var bull_fvg_labels = array.new<label>(0)
var bear_fvg_labels = array.new<label>(0)
var swing_high_labels = array.new<label>(0)
var swing_low_labels = array.new<label>(0)
var bull_fvg_midlines = array.new<line>(0)
var bear_fvg_midlines = array.new<line>(0)
var bull_fvg_tops = array.new<float>(0)
var bull_fvg_bottoms = array.new<float>(0)
var bear_fvg_tops = array.new<float>(0)
var bear_fvg_bottoms = array.new<float>(0)

// Get the last bar index
last_bar = last_bar_index + 3

// Function to determine right boundary based on extend option
get_right_boundary(option, extend_candles, default_right) =>
if option == "None"
bar_index - 2
else if option == "Limited"
bar_index - 2 + extend_candles
else
default_right

// Bullish FVG Detection
if high[2] < low and show_bull_fvg
right_bar = get_right_boundary(bull_fvg_extendOption, bull_fvg_extendCandles, last_bar)
new_box = box.new(left=bar_index-2,
top=low,
right=right_bar,
bottom=high[2],
bgcolor=color.new(bullish_fvg_color, 90),
border_color=bullish_fvg_color)
bull_mid = (low + high[2]) / 2
new_midline = line.new(bar_index-2, bull_mid, right_bar, bull_mid,
color=color.new(bullish_fvg_color, 50),
style=line.style_dashed)
new_label = label.new(right_bar-1, bull_mid, "Bullish FVG",
color=color.new(bullish_fvg_color, 100),
textcolor=bullish_fvg_color,
style=label.style_none,
textalign=text.align_right,
size=size.small)
array.unshift(bull_fvg_data, new_box)
array.unshift(bull_fvg_midlines, new_midline)
array.unshift(bull_fvg_labels, new_label)
array.unshift(bull_fvg_tops, low)
array.unshift(bull_fvg_bottoms, high[2])
if array.size(bull_fvg_data) > fvg_bull_count
box.delete(array.pop(bull_fvg_data))
line.delete(array.pop(bull_fvg_midlines))
label.delete(array.pop(bull_fvg_labels))
array.pop(bull_fvg_tops)
array.pop(bull_fvg_bottoms)

// Bearish FVG Detection
if low[2] > high and show_bear_fvg
right_bar = get_right_boundary(bear_fvg_extendOption, bear_fvg_extendCandles, last_bar)
new_box = box.new(left=bar_index-2,
top=low[2],
right=right_bar,
bottom=high,
bgcolor=color.new(bearish_fvg_color, 90),
border_color=bearish_fvg_color)
bear_mid = (low[2] + high) / 2
new_midline = line.new(bar_index-2, bear_mid, right_bar, bear_mid,
color=color.new(bearish_fvg_color, 50),
style=line.style_dashed)
new_label = label.new(right_bar-1, bear_mid, "Bearish FVG",
color=color.new(bearish_fvg_color, 100),
textcolor=bearish_fvg_color,
style=label.style_none,
textalign=text.align_right,
size=size.small)
array.unshift(bear_fvg_data, new_box)
array.unshift(bear_fvg_midlines, new_midline)
array.unshift(bear_fvg_labels, new_label)
array.unshift(bear_fvg_tops, low[2])
array.unshift(bear_fvg_bottoms, high)
if array.size(bear_fvg_data) > fvg_bear_count
box.delete(array.pop(bear_fvg_data))
line.delete(array.pop(bear_fvg_midlines))
label.delete(array.pop(bear_fvg_labels))
array.pop(bear_fvg_tops)
array.pop(bear_fvg_bottoms)

// Swing High Detection
is_swing_high = high < high[1] and high[1] > high[2]
if is_swing_high and show_swing_high
right_bar = get_right_boundary(swing_high_extendOption, swing_high_extendCandles, last_bar + 3)
new_line = line.new(bar_index - 1, high[1], right_bar, high[1],
color=swing_high_color)
new_label = label.new(right_bar, high[1], "Swing High",
color=color.new(color.white, 30),
style=label.style_label_left,
textcolor=swing_high_color,
size=size.tiny)
array.unshift(swing_high_data, new_line)
array.unshift(swing_high_labels, new_label)
if array.size(swing_high_data) > swing_high_count
line.delete(array.pop(swing_high_data))
label.delete(array.pop(swing_high_labels))

// Swing Low Detection
is_swing_low = low > low[1] and low[1] < low[2]
if is_swing_low and show_swing_low
right_bar = get_right_boundary(swing_low_extendOption, swing_low_extendCandles, last_bar + 3)
new_line = line.new(bar_index -1, low[1], right_bar, low[1],
color=swing_low_color)
new_label = label.new(right_bar, low[1], "Swing Low",
color=color.new(color.white, 30),
style=label.style_label_left,
textcolor=swing_low_color,
size=size.tiny)
array.unshift(swing_low_data, new_line)
array.unshift(swing_low_labels, new_label)
if array.size(swing_low_data) > swing_low_count
line.delete(array.pop(swing_low_data))
label.delete(array.pop(swing_low_labels))

// Clean up if toggles are turned off
if not show_bull_fvg and array.size(bull_fvg_data) > 0
for i = 0 to array.size(bull_fvg_data) - 1
box.delete(array.get(bull_fvg_data, i))
line.delete(array.get(bull_fvg_midlines, i))
label.delete(array.get(bull_fvg_labels, i))
array.clear(bull_fvg_data)
array.clear(bull_fvg_midlines)
array.clear(bull_fvg_labels)
array.clear(bull_fvg_tops)
array.clear(bull_fvg_bottoms)

if not show_bear_fvg and array.size(bear_fvg_data) > 0
for i = 0 to array.size(bear_fvg_data) - 1
box.delete(array.get(bear_fvg_data, i))
line.delete(array.get(bear_fvg_midlines, i))
label.delete(array.get(bear_fvg_labels, i))
array.clear(bear_fvg_data)
array.clear(bear_fvg_midlines)
array.clear(bear_fvg_labels)
array.clear(bear_fvg_tops)
array.clear(bear_fvg_bottoms)

// === Swing High/Low Detection ===
var float[] swingHighs = array.new<float>()
var int[] swingHighTimes = array.new<int>()
var float[] swingLows = array.new<float>()
var int[] swingLowTimes = array.new<int>()

var line[] swingHighLines = array.new<line>()
var label[] swingHighLabels = array.new<label>()

var line[] swingLowLines = array.new<line>()
var label[] swingLowLabels = array.new<label>()

isSwingHigh = high[1] > high[0] and high[1] > high[2]
isSwingLow = low[1] < low[0] and low[1] < low[2]

if isSwingHigh
array.unshift(swingHighs, high[1])
array.unshift(swingHighTimes, time[1])

if isSwingLow
array.unshift(swingLows, low[1])
array.unshift(swingLowTimes, time[1])

// === Next Target Detection ===
var line currentTargetLine = na
var label currentTargetLabel = na

if showNextTarget
if not na(currentTargetLine)
line.delete(currentTargetLine)
if not na(currentTargetLabel)
label.delete(currentTargetLabel)

priceRising = close > open
priceFalling = close < open

// Use slightly longer extension for targets
targetExtension = barDuration * 8

if priceRising and array.size(swingHighs) > 0
for i = 0 to array.size(swingHighs) - 1
target = array.get(swingHighs, i)
targetTime = array.get(swingHighTimes, i)
if target > close
currentTargetLine := line.new(
x1=targetTime, y1=target,
x2=time + targetExtension, y2=target,
color=nextTargetHighColor, width=2,
style=line.style_dashed,
xloc=xloc.bar_time)
currentTargetLabel := label.new(
x=time + targetExtension, y=target,
text="Potential Target", size=size.tiny,
style=label.style_label_left,
color=nextTargetHighColor,
textcolor=color.white,
xloc=xloc.bar_time)
break
else if priceFalling and array.size(swingLows) > 0
for i = 0 to array.size(swingLows) - 1
target = array.get(swingLows, i)
targetTime = array.get(swingLowTimes, i)
if target < close
currentTargetLine := line.new(
x1=targetTime, y1=target,
x2=time + targetExtension, y2=target,
color=nextTargetLowColor, width=2,
style=line.style_dashed,
xloc=xloc.bar_time)
currentTargetLabel := label.new(
x=time + targetExtension, y=target,
text="Potential Target", size=size.tiny,
style=label.style_label_left,
color=nextTargetLowColor,
textcolor=color.white,
xloc=xloc.bar_time)
break