A+ Confluence Alert (BTC filter) — Kailash

//version=5
indicator("A+ Confluence Alert (BTC filter) — Kailash", overlay=true)

// === USER INPUTS ===
btcTicker = input.symbol("BINANCE:BTCUSDT", "BTC symbol (for bias filter)")
btcHTF = input.timeframe("60", "BTC Higher TF (for bias)") // 1H
localHTF = input.timeframe("15", "Local bias TF") // 15m
ema_fast_len = input.int(20, "EMA fast length")
ema_slow_len = input.int(50, "EMA slow length")
vol_sma_len = input.int(20, "Volume SMA length")
vol_mult = input.float(1.5, "Volume spike multiplier", step=0.1)
liquidity_look = input.int(12, "Liquidity sweep lookback (bars)")
session_filter = input.bool(true, "Use session filter (NY window)")
ny_start = input.session("1300-2000", "NY session (UTC)")

// === FETCH BTC HIGHER-TF BIAS ===
btc_close_htf = request.security(btcTicker, btcHTF, close, lookahead=barmerge.lookahead_off)
btc_ema_fast = request.security(btcTicker, btcHTF, ta.ema(close, ema_fast_len), lookahead=barmerge.lookahead_off)
btc_ema_slow = request.security(btcTicker, btcHTF, ta.ema(close, ema_slow_len), lookahead=barmerge.lookahead_off)
btc_bias_long = btc_ema_fast > btc_ema_slow
btc_bias_short= btc_ema_fast < btc_ema_slow

// === LOCAL BIAS (on localHTF) for current chart symbol ===
local_close = request.security(syminfo.tickerid, localHTF, close, lookahead=barmerge.lookahead_off)
local_ema_f = request.security(syminfo.tickerid, localHTF, ta.ema(close, ema_fast_len), lookahead=barmerge.lookahead_off)
local_ema_s = request.security(syminfo.tickerid, localHTF, ta.ema(close, ema_slow_len), lookahead=barmerge.lookahead_off)
local_long = local_ema_f > local_ema_s
local_short = local_ema_f < local_ema_s

// === VOLUME SPIKE ===
vol_sma = ta.sma(volume, vol_sma_len)
vol_spike = volume > vol_sma * vol_mult

// === SIMPLE LIQUIDITY SWEEP DETECTION (proxy) ===
// Long-sweep: price made new local low (below recent lowest) and then reclaimed above that prior low.
// Short-sweep: symmetrical for highs.

recent_low = ta.lowest(low, liquidity_look)
recent_high = ta.highest(high, liquidity_look)

sweep_long = (low < recent_low[1]) and (close > recent_low[1]) // low punched lower, then close reclaimed
sweep_short= (high > recent_high[1]) and (close < recent_high[1]) // high pumped, then reclaimed down

// === ORDER-BLOCK RECLAIM PROXY ===
// Define last opposite directional candle high/low as "OB"
var float ob_high = na
var float ob_low = na

// Update order blocks when opposite direction candles form
if close[1] < open[1] // bearish candle
ob_high := high[1]
if close[1] > open[1] // bullish candle
ob_low := low[1]

// Reclaim conditions: price closes above recent bearish-high (for long), or below recent bullish-low (for short)
reclaim_long = not na(ob_high) and close > ob_high
reclaim_short = not na(ob_low) and close < ob_low

// === SESSION FILTER ===
in_session = true
if session_filter
in_session := not na(time(timeframe.period, ny_start))

// === FULL CONFLUENCE LOGIC ===
// Long confluence: BTC bias long, local bias long, sweep_long or reclaim_long, volume spike, in session
long_confluence = btc_bias_long and local_long and (sweep_long or reclaim_long) and vol_spike and in_session

// Short confluence: BTC bias short, local bias short, sweep_short or reclaim_short, volume spike, in session
short_confluence = btc_bias_short and local_short and (sweep_short or reclaim_short) and vol_spike and in_session

// === PLOTTING SIGNALS ON CHART ===
plotshape(long_confluence, title="A+ Long", style=shape.labelup, location=location.belowbar, color=color.green, size=size.small, text="A+ Long")
plotshape(short_confluence, title="A+ Short", style=shape.labeldown, location=location.abovebar, color=color.red, size=size.small, text="A+ Short")

// === ALERTS ===
alertcondition(long_confluence, title="A+ Confluence Long", message="A+ LONG: BTC bias long, local bias long, sweep/OB reclaim + volume spike. Symbol: {{ticker}}. Time: {{time}}")
alertcondition(short_confluence, title="A+ Confluence Short", message="A+ SHORT: BTC bias short, local bias short, sweep/OB reclaim + volume spike. Symbol: {{ticker}}. Time: {{time}}")

// === INFO BOX ===
var label info = na
if barstate.islast
label.delete(info)
info := label.new(x=bar_index, y=high, yloc=yloc.abovebar, style=label.style_label_left, text=
"A+ Long: " + (long_confluence ? "YES" : "NO") + "\n" +
"A+ Short: " + (short_confluence ? "YES" : "NO") + "\n" +
"BTC HTF Bias: " + (btc_bias_long ? "LONG" : btc_bias_short ? "SHORT" : "NEUTRAL") + "\n" +
"Local Bias: " + (local_long ? "LONG" : local_short ? "SHORT" : "NEUTRAL") + "\n" +
"VolSpike: " + (vol_spike ? "YES" : "NO"),
color=color.new(color.blue, 80), textcolor=color.white)