// This Pine Script® code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © AI_PIPS

//@version=6
indicator("AIPIPS Narrative Timeline", overlay=false, max_labels_count=500)

swingLen = input.int(5, "Swing length", minval=1)
structureLen = input.int(20, "Structure lookback", minval=5)

ph = ta.pivothigh(high, swingLen, swingLen)
pl = ta.pivotlow(low, swingLen, swingLen)
prevPH = ta.valuewhen(not na(ph), ph, 1)
prevPL = ta.valuewhen(not na(pl), pl, 1)

sweepHigh = not na(prevPH) and high > prevPH
sweepLow = not na(prevPL) and low < prevPL
bosUp = close > ta.highest(high[1], structureLen)
bosDown = close < ta.lowest(low[1], structureLen)
bullFvg = low[1] > high[2]
bearFvg = high[1] < low[2]

var string[] events = array.new_string()
var string[] times = array.new_string()
maxEvents = 8
addEvent(text) =>
    array.unshift(events, text)
    array.unshift(times, str.format("{0,time,HH:mm}", time))
    if array.size(events) > maxEvents
        array.pop(events)
        array.pop(times)

if sweepHigh
    addEvent("Liquidity grab high")
if sweepLow
    addEvent("Liquidity grab low")
if bosUp
    addEvent("Bullish BOS")
if bosDown
    addEvent("Bearish BOS")
if bullFvg
    addEvent("Bullish FVG")
if bearFvg
    addEvent("Bearish FVG")

var table timeline = table.new(position.top_right, 2, maxEvents + 1)
if barstate.islastconfirmedhistory
    table.cell(timeline, 0, 0, "Time", text_color=color.yellow, bgcolor=color.black)
    table.cell(timeline, 1, 0, "Event", text_color=color.yellow, bgcolor=color.black)
    for i = 0 to array.size(events) - 1
        table.cell(timeline, 0, i + 1, array.get(times, i), text_color=color.gray)
        table.cell(timeline, 1, i + 1, array.get(events, i), text_color=color.white)

plot(0, display=display.none)