//@version=5
//
strategy(title='SAIYAN OCC Strategy R5.41', overlay=true, pyramiding=0, default_qty_type=strategy.percent_of_equity, default_qty_value=10, calc_on_every_tick=false)
//
// === INPUTS ===
res    = input.timeframe(title='TIMEFRAME', defval='15', group ="NON REPAINT")
useRes = input(defval=true, title='Use Alternate Signals')
intRes = input(defval=8, title='Multiplier for Alernate Signals')
stratRes = timeframe.ismonthly ? str.tostring(timeframe.multiplier * intRes, '###M') : timeframe.isweekly ? str.tostring(timeframe.multiplier * intRes, '###W') : timeframe.isdaily ? str.tostring(timeframe.multiplier * intRes, '###D') : timeframe.isintraday ? str.tostring(timeframe.multiplier * intRes, '####') : '60'
basisType = input.string(defval='ALMA', title='MA Type: ', options=['TEMA', 'HullMA', 'ALMA'])
basisLen = input.int(defval=2, title='MA Period', minval=1)
offsetSigma = input.int(defval=5, title='Offset for LSMA / Sigma for ALMA', minval=0)
offsetALMA = input.float(defval=0.85, title='Offset for ALMA', minval=0, step=0.01)
scolor = input(true, title='Show coloured Bars to indicate Trend?')
delayOffset = input.int(defval=0, title='Delay Open/Close MA (Forces Non-Repainting)', minval=0, step=1)
tradeType = input.string('BOTH', title='What trades should be taken : ', options=['LONG', 'SHORT', 'BOTH', 'NONE'])
// === /INPUTS ===
h = input(false, title='Signals for Heikin Ashi Candles')
src = h ? request.security(ticker.heikinashi(syminfo.tickerid), timeframe.period, close, lookahead=barmerge.lookahead_off) : close
//      INDICATOR SETTINGS
swing_length = input.int(10, title = 'Swing High/Low Length', group = 'Settings', minval = 1, maxval = 50)
history_of_demand_to_keep = input.int(20, title = 'History To Keep', minval = 5, maxval = 50)
box_width = input.float(2.5, title = 'Supply/Demand Box Width', group = 'Settings', minval = 1, maxval = 10, step = 0.5)

//      INDICATOR VISUAL SETTINGS
show_zigzag = input.bool(false, title = 'Show Zig Zag', group = 'Visual Settings', inline = '1')
show_price_action_labels = input.bool(false, title = 'Show Price Action Labels', group = 'Visual Settings', inline = '2')

supply_color = input.color(color.new(#EDEDED,70), title = 'Supply', group = 'Visual Settings', inline = '3')
supply_outline_color = input.color(color.new(color.white,75), title = 'Outline', group = 'Visual Settings', inline = '3')

demand_color = input.color(color.new(#00FFFF,70), title = 'Demand', group = 'Visual Settings', inline = '4')
demand_outline_color = input.color(color.new(color.white,75), title = 'Outline', group = 'Visual Settings', inline = '4')

bos_label_color = input.color(color.white, title = 'BOS Label', group = 'Visual Settings', inline = '5')
poi_label_color = input.color(color.white, title = 'POI Label', group = 'Visual Settings', inline = '7')

swing_type_color = input.color(color.black, title = 'Price Action Label', group = 'Visual Settings', inline = '8')
zigzag_color = input.color(color.new(#000000,0), title = 'Zig Zag', group = 'Visual Settings', inline = '9')

//
//END SETTINGS
//


//
//FUNCTIONS
//

//      FUNCTION TO ADD NEW AND REMOVE LAST IN ARRAY
f_array_add_pop(array, new_value_to_add) =>
    array.unshift(array, new_value_to_add)
    array.pop(array)

//      FUNCTION SWING H & L LABELS
f_sh_sl_labels(array, swing_type) =>

    var string label_text = na
    if swing_type == 1
        if array.get(array, 0) >= array.get(array, 1)
            label_text := 'HH'
        else
            label_text := 'LH'
        label.new(bar_index - swing_length, array.get(array,0), text = label_text, style=label.style_label_down, textcolor = swing_type_color, color = color.new(swing_type_color, 100), size = size.tiny)
    
    else if swing_type == -1
        if array.get(array, 0) >= array.get(array, 1)
            label_text := 'HL'
        else
            label_text := 'LL'
        label.new(bar_index - swing_length, array.get(array,0), text = label_text, style=label.style_label_up, textcolor = swing_type_color, color = color.new(swing_type_color, 100), size = size.tiny)

//      FUNCTION MAKE SURE SUPPLY ISNT OVERLAPPING
f_check_overlapping(new_poi, box_array, atr) =>

    atr_threshold = atr * 2
    okay_to_draw = true

    for i = 0 to array.size(box_array) - 1
        top = box.get_top(array.get(box_array, i))
        bottom = box.get_bottom(array.get(box_array, i))
        poi = (top + bottom) / 2

        upper_boundary = poi + atr_threshold
        lower_boundary = poi - atr_threshold

        if new_poi >= lower_boundary and new_poi <= upper_boundary
            okay_to_draw := false
            break
        else 
            okay_to_draw := true
    okay_to_draw


//      FUNCTION TO DRAW SUPPLY OR DEMAND ZONE
f_supply_demand(value_array, bn_array, box_array, label_array, box_type, atr) =>

    atr_buffer = atr * (box_width / 10)
    box_left = array.get(bn_array, 0)
    box_right = bar_index

    var float box_top = 0.00
    var float box_bottom = 0.00
    var float poi = 0.00


    if box_type == 1
        box_top := array.get(value_array, 0)
        box_bottom := box_top - atr_buffer
        poi := (box_top + box_bottom) / 2
    else if box_type == -1
        box_bottom := array.get(value_array, 0)
        box_top := box_bottom + atr_buffer
        poi := (box_top + box_bottom) / 2

    okay_to_draw = f_check_overlapping(poi, box_array, atr)
    // okay_to_draw = true

    //delete oldest box, and then create a new box and add it to the array
    if box_type == 1 and okay_to_draw
        box.delete( array.get(box_array, array.size(box_array) - 1) )
        f_array_add_pop(box_array, box.new( left = box_left, top = box_top, right = box_right, bottom = box_bottom, border_color = supply_outline_color,
             bgcolor = supply_color, extend = extend.right, text = 'SUPPLY', text_halign = text.align_center, text_valign = text.align_center, text_color = poi_label_color, text_size = size.small, xloc = xloc.bar_index))
        
        box.delete( array.get(label_array, array.size(label_array) - 1) )
        f_array_add_pop(label_array, box.new( left = box_left, top = poi, right = box_right, bottom = poi, border_color = color.new(poi_label_color,90),
             bgcolor = color.new(poi_label_color,90), extend = extend.right, text = 'POI', text_halign = text.align_left, text_valign = text.align_center, text_color = poi_label_color, text_size = size.small, xloc = xloc.bar_index))

    else if box_type == -1 and okay_to_draw
        box.delete( array.get(box_array, array.size(box_array) - 1) )
        f_array_add_pop(box_array, box.new( left = box_left, top = box_top, right = box_right, bottom = box_bottom, border_color = demand_outline_color,
             bgcolor = demand_color, extend = extend.right,  text = 'DEMAND', text_halign = text.align_center, text_valign = text.align_center, text_color = poi_label_color, text_size = size.small, xloc = xloc.bar_index))
        
        box.delete( array.get(label_array, array.size(label_array) - 1) )
        f_array_add_pop(label_array, box.new( left = box_left, top = poi, right = box_right, bottom = poi, border_color = color.new(poi_label_color,90),
             bgcolor = color.new(poi_label_color,90), extend = extend.right,  text = 'POI', text_halign = text.align_left, text_valign = text.align_center, text_color = poi_label_color, text_size = size.small, xloc = xloc.bar_index))


//      FUNCTION TO CHANGE SUPPLY/DEMAND TO A BOS IF BROKEN
f_sd_to_bos(box_array, bos_array, label_array, zone_type) =>

    if zone_type == 1
        for i = 0 to array.size(box_array) - 1
            level_to_break = box.get_top(array.get(box_array,i))
            // if ta.crossover(close, level_to_break)
            if close >= level_to_break
                copied_box = box.copy(array.get(box_array,i))
                f_array_add_pop(bos_array, copied_box)
                mid = (box.get_top(array.get(box_array,i)) + box.get_bottom(array.get(box_array,i))) / 2
                box.set_top(array.get(bos_array,0), mid)
                box.set_bottom(array.get(bos_array,0), mid)
                box.set_extend( array.get(bos_array,0), extend.none)
                box.set_right( array.get(bos_array,0), bar_index)
                box.set_text( array.get(bos_array,0), 'BOS' )
                box.set_text_color( array.get(bos_array,0), bos_label_color)
                box.set_text_size( array.get(bos_array,0), size.small)
                box.set_text_halign( array.get(bos_array,0), text.align_center)
                box.set_text_valign( array.get(bos_array,0), text.align_center)
                box.delete(array.get(box_array, i))
                box.delete(array.get(label_array, i))


    if zone_type == -1
        for i = 0 to array.size(box_array) - 1
            level_to_break = box.get_bottom(array.get(box_array,i))
            // if ta.crossunder(close, level_to_break)
            if close <= level_to_break
                copied_box = box.copy(array.get(box_array,i))
                f_array_add_pop(bos_array, copied_box)
                mid = (box.get_top(array.get(box_array,i)) + box.get_bottom(array.get(box_array,i))) / 2
                box.set_top(array.get(bos_array,0), mid)
                box.set_bottom(array.get(bos_array,0), mid)
                box.set_extend( array.get(bos_array,0), extend.none)
                box.set_right( array.get(bos_array,0), bar_index)
                box.set_text( array.get(bos_array,0), 'BOS' )
                box.set_text_color( array.get(bos_array,0), bos_label_color)
                box.set_text_size( array.get(bos_array,0), size.small)
                box.set_text_halign( array.get(bos_array,0), text.align_center)
                box.set_text_valign( array.get(bos_array,0), text.align_center)
                box.delete(array.get(box_array, i))
                box.delete(array.get(label_array, i))



//      FUNCTION MANAGE CURRENT BOXES BY CHANGING ENDPOINT
f_extend_box_endpoint(box_array) =>

    for i = 0 to array.size(box_array) - 1
        box.set_right(array.get(box_array, i), bar_index + 100)


//
//END FUNCTIONS
//  


//
//CALCULATIONS
//

//      CALCULATE ATR 
atr = ta.atr(50)

//      CALCULATE SWING HIGHS & SWING LOWS
swing_high = ta.pivothigh(high, swing_length, swing_length)
swing_low = ta.pivotlow(low, swing_length, swing_length)

//      ARRAYS FOR SWING H/L & BN 
var swing_high_values = array.new_float(5,0.00)
var swing_low_values = array.new_float(5,0.00)

var swing_high_bns = array.new_int(5,0)
var swing_low_bns = array.new_int(5,0)

//      ARRAYS FOR SUPPLY / DEMAND
var current_supply_box = array.new_box(history_of_demand_to_keep, na)
var current_demand_box = array.new_box(history_of_demand_to_keep, na)

//      ARRAYS FOR SUPPLY / DEMAND POI LABELS
var current_supply_poi = array.new_box(history_of_demand_to_keep, na)
var current_demand_poi = array.new_box(history_of_demand_to_keep, na)

//      ARRAYS FOR BOS
var supply_bos = array.new_box(5, na)
var demand_bos = array.new_box(5, na)
//
//END CALCULATIONS
//

//      NEW SWING HIGH
if not na(swing_high)

    //MANAGE SWING HIGH VALUES
    f_array_add_pop(swing_high_values, swing_high)
    f_array_add_pop(swing_high_bns, bar_index[swing_length])
    if show_price_action_labels
        f_sh_sl_labels(swing_high_values, 1)

    f_supply_demand(swing_high_values, swing_high_bns, current_supply_box, current_supply_poi, 1, atr)

//      NEW SWING LOW
else if not na(swing_low)

    //MANAGE SWING LOW VALUES
    f_array_add_pop(swing_low_values, swing_low)
    f_array_add_pop(swing_low_bns, bar_index[swing_length])
    if show_price_action_labels
        f_sh_sl_labels(swing_low_values, -1)
    
    f_supply_demand(swing_low_values, swing_low_bns, current_demand_box, current_demand_poi, -1, atr)


f_sd_to_bos(current_supply_box, supply_bos, current_supply_poi, 1)
f_sd_to_bos(current_demand_box, demand_bos, current_demand_poi, -1)

f_extend_box_endpoint(current_supply_box)
f_extend_box_endpoint(current_demand_box)

// if barstate.islast
    // label.new(x = bar_index + 10, y = close[1], text = str.tostring( array.size(current_supply_poi) ))
//     label.new(x = bar_index + 20, y = close[1], text = str.tostring( box.get_bottom( array.get(current_supply_box, 0))))
//     label.new(x = bar_index + 30, y = close[1], text = str.tostring( box.get_bottom( array.get(current_supply_box, 1))))
//     label.new(x = bar_index + 40, y = close[1], text = str.tostring( box.get_bottom( array.get(current_supply_box, 2))))
//     label.new(x = bar_index + 50, y = close[1], text = str.tostring( box.get_bottom( array.get(current_supply_box, 3))))
//     label.new(x = bar_index + 60, y = close[1], text = str.tostring( box.get_bottom( array.get(current_supply_box, 4))))

// Get user input

channelBal     = input.bool(true, "Channel Balance", group = "CHART")



// Functions
supertrend(_src, factor, atrLen) =>
	atr = ta.atr(atrLen)
	upperBand = _src + factor * atr
	lowerBand = _src - factor * atr
	prevLowerBand = nz(lowerBand[1])
	prevUpperBand = nz(upperBand[1])
	lowerBand := lowerBand > prevLowerBand or close[1] < prevLowerBand ? lowerBand : prevLowerBand
	upperBand := upperBand < prevUpperBand or close[1] > prevUpperBand ? upperBand : prevUpperBand
	int direction = na
	float superTrend = na
	prevSuperTrend = superTrend[1]
	if na(atr[1])
		direction := 1
	else if prevSuperTrend == prevUpperBand
		direction := close > upperBand ? -1 : 1
	else
		direction := close < lowerBand ? 1 : -1
	superTrend := direction == -1 ? lowerBand : upperBand
	[superTrend, direction]
lr_slope(_src, _len) =>
    x = 0.0, y = 0.0, x2 = 0.0, xy = 0.0
    for i = 0 to _len - 1
        val = _src[i]
        per = i + 1
        x += per
        y += val
        x2 += per * per
        xy += val * per
    _slp = (_len * xy - x * y) / (_len * x2 - x * x)
    _avg = y / _len
    _int = _avg - _slp * x / _len + _slp
    [_slp, _avg, _int]
lr_dev(_src, _len, _slp, _avg, _int) =>
    upDev = 0.0, dnDev = 0.0
    val = _int
    for j = 0 to _len - 1
        price = high[j] - val
        if price > upDev
            upDev := price
        price := val - low[j]
        if price > dnDev
            dnDev := price
        price := _src[j]
        val += _slp
    [upDev, dnDev]


// Get Components
ocAvg       = math.avg(open, close)
sma1        = ta.sma(close, 5)
sma2        = ta.sma(close, 6)
sma3        = ta.sma(close, 7)
sma4        = ta.sma(close, 8)
sma5        = ta.sma(close, 9)
sma6        = ta.sma(close, 10)
sma7        = ta.sma(close, 11)
sma8        = ta.sma(close, 12)
sma9        = ta.sma(close, 13)
sma10       = ta.sma(close, 14)
sma11       = ta.sma(close, 15)
sma12       = ta.sma(close, 16)
sma13       = ta.sma(close, 17)
sma14       = ta.sma(close, 18)
sma15       = ta.sma(close, 19)
sma16       = ta.sma(close, 20)
psar        = ta.sar(0.02, 0.02, 0.2)
[middleKC1, upperKC1, lowerKC1] = ta.kc(close, 80, 10.5)
[middleKC2, upperKC2, lowerKC2] = ta.kc(close, 80, 9.5)
[middleKC3, upperKC3, lowerKC3] = ta.kc(close, 80, 8)
[middleKC4, upperKC4, lowerKC4] = ta.kc(close, 80, 3)

barsL       = 10
barsR       = 10
pivotHigh = fixnan(ta.pivothigh(barsL, barsR)[1])
pivotLow = fixnan(ta.pivotlow(barsL, barsR)[1])
source = close, period = 150
[s, a, i] = lr_slope(source, period)
[upDev, dnDev] = lr_dev(source, period, s, a, i)

// Colors
green       = #00d9ff, green2   = #00d9ff
red         = #ff0090, red2     = #ff0090

// Plots
k1 = plot(ta.ema(upperKC1, 50), "", na, editable=false)
k2 = plot(ta.ema(upperKC2, 50), "", na, editable=false)
k3 = plot(ta.ema(upperKC3, 50), "", na, editable=false)
k4 = plot(ta.ema(upperKC4, 50), "", na, editable=false)
k5 = plot(ta.ema(lowerKC4, 50), "", na, editable=false)
k6 = plot(ta.ema(lowerKC3, 50), "", na, editable=false)
k7 = plot(ta.ema(lowerKC2, 50), "", na, editable=false)
k8 = plot(ta.ema(lowerKC1, 50), "", na, editable=false)
fill(k1, k2, channelBal ? color.new(red2, 40) : na, editable=false)
fill(k2, k3, channelBal ? color.new(red2, 65) : na, editable=false)
fill(k3, k4, channelBal ? color.new(red2, 90) : na, editable=false)
fill(k5, k6, channelBal ? color.new(green2, 90) : na, editable=false)
fill(k6, k7, channelBal ? color.new(green2, 65) : na, editable=false)
fill(k7, k8, channelBal ? color.new(green2, 40) : na, editable=false)



y1 = low - (ta.atr(30) * 2), y1B = low - ta.atr(30)
y2 = high + (ta.atr(30) * 2), y2B = high + ta.atr(30)



x1 = bar_index - period + 1, _y1 = i + s * (period - 1), x2 = bar_index, _y2 = i


//Functions
//Line Style function
get_line_style(style) =>
    out = switch style
        '???'  => line.style_solid
        '----' => line.style_dashed
        '' => line.style_dotted

//Function to get order block coordinates
get_coordinates(condition, top, btm, ob_val)=>
    var ob_top  = array.new_float(0)
    var ob_btm  = array.new_float(0)
    var ob_avg  = array.new_float(0)
    var ob_left = array.new_int(0)

    float ob = na

    //Append coordinates to arrays
    if condition
        avg = math.avg(top, btm)
        
        array.unshift(ob_top, top)
        array.unshift(ob_btm, btm)
        array.unshift(ob_avg, avg)

        
        ob := ob_val
    
    [ob_top, ob_btm, ob_avg, ob_left, ob]

//Function to remove mitigated order blocks from coordinate arrays
remove_mitigated(ob_top, ob_btm, ob_left, ob_avg, target, bull)=>
    mitigated = false
    target_array = bull ? ob_btm : ob_top

    for element in target_array
        idx = array.indexof(target_array, element)

        if (bull ? target < element : target > element)
            mitigated := true

            array.remove(ob_top, idx)
            array.remove(ob_btm, idx)
            array.remove(ob_avg, idx)
            array.remove(ob_left, idx)
    
    mitigated

//Function to set order blocks
set_order_blocks(ob_top, ob_btm, ob_left, ob_avg, ext_last, bg_css, border_css, lvl_css)=>
    var ob_box = array.new_box(0)
    var ob_lvl = array.new_line(0)

   

   



//Global elements 
var os = 0
var target_bull = 0.
var target_bear = 0.

// Constants colours that include fully non-transparent option.
green100 = #008000FF
lime100 = #00FF00FF
red100 = #FF0000FF
blue100 = #0000FFFF
aqua100 = #00FFFFFF
darkred100 = #8B0000FF
gray100 = #808080FF

/////////////////////////////////////////////
// Create non-repainting security function
rp_security(_symbol, _res, _src) =>
    request.security(_symbol, _res, _src[barstate.isrealtime ? 1 : 0])

htfHigh = rp_security(syminfo.tickerid, res, high)
htfLow = rp_security(syminfo.tickerid, res, low)

// Main Indicator
// Functions
smoothrng(x, t, m) =>
    wper = t * 2 - 1
    avrng = ta.ema(math.abs(x - x[1]), t)
    smoothrng = ta.ema(avrng, wper) * m
rngfilt(x, r) =>
    rngfilt = x
    rngfilt := x > nz(rngfilt[1]) ? x - r < nz(rngfilt[1]) ? nz(rngfilt[1]) : x - r : x + r > nz(rngfilt[1]) ? nz(rngfilt[1]) : x + r
percWidth(len, perc) => (ta.highest(len) - ta.lowest(len)) * perc / 100
securityNoRep(sym, res, src) => request.security(sym, res, src, barmerge.gaps_off, barmerge.lookahead_on)
swingPoints(prd) =>
    pivHi = ta.pivothigh(prd, prd)
    pivLo = ta.pivotlow (prd, prd)
    last_pivHi = ta.valuewhen(pivHi, pivHi, 1)
    last_pivLo = ta.valuewhen(pivLo, pivLo, 1)
    hh = pivHi and pivHi > last_pivHi ? pivHi : na
    lh = pivHi and pivHi < last_pivHi ? pivHi : na
    hl = pivLo and pivLo > last_pivLo ? pivLo : na
    ll = pivLo and pivLo < last_pivLo ? pivLo : na
    [hh, lh, hl, ll]
f_chartTfInMinutes() =>
    float _resInMinutes = timeframe.multiplier * (
      timeframe.isseconds ? 1                   :
      timeframe.isminutes ? 1.                  :
      timeframe.isdaily   ? 60. * 24            :
      timeframe.isweekly  ? 60. * 24 * 7        :
      timeframe.ismonthly ? 60. * 24 * 30.4375  : na)
f_kc(src, len, sensitivity) =>
    basis = ta.sma(src, len)
    span  = ta.atr(len)
    [basis + span * sensitivity, basis - span * sensitivity]
wavetrend(src, chlLen, avgLen) =>
    esa = ta.ema(src, chlLen)
    d = ta.ema(math.abs(src - esa), chlLen)
    ci = (src - esa) / (0.015 * d)
    wt1 = ta.ema(ci, avgLen)
    wt2 = ta.sma(wt1, 3)
    [wt1, wt2]
f_top_fractal(src) => src[4] < src[2] and src[3] < src[2] and src[2] > src[1] and src[2] > src[0]
f_bot_fractal(src) => src[4] > src[2] and src[3] > src[2] and src[2] < src[1] and src[2] < src[0]
f_fractalize (src) => f_top_fractal(src) ? 1 : f_bot_fractal(src) ? -1 : 0
f_findDivs(src, topLimit, botLimit) =>
    fractalTop = f_fractalize(src) > 0 and src[2] >= topLimit ? src[2] : na
    fractalBot = f_fractalize(src) < 0 and src[2] <= botLimit ? src[2] : na
    highPrev = ta.valuewhen(fractalTop, src[2], 0)[2]
    highPrice = ta.valuewhen(fractalTop, high[2], 0)[2]
    lowPrev = ta.valuewhen(fractalBot, src[2], 0)[2]
    lowPrice = ta.valuewhen(fractalBot, low[2], 0)[2]
    bearSignal = fractalTop and high[1] > highPrice and src[1] < highPrev
    bullSignal = fractalBot and low[1] < lowPrice and src[1] > lowPrev
    [bearSignal, bullSignal]
    // Get user input
enableSR   = input(true, "SR On/Off", group="SR")
colorSup   = input(#00DBFF, "Support Color", group="SR")
colorRes   = input(#E91E63, "Resistance Color", group="SR")
strengthSR = input.int(2, "S/R Strength", 1, group="SR")
lineStyle  = input.string("Dotted", "Line Style", ["Solid", "Dotted", "Dashed"], group="SR")
lineWidth  = input.int(2, "S/R Line Width", 1, group="SR")
useZones   = input(true, "Zones On/Off", group="SR")
useHLZones = input(true, "High Low Zones On/Off", group="SR")
zoneWidth  = input.int(2, "Zone Width %", 0, tooltip="it's calculated using % of the distance between highest/lowest in last 300 bars", group="SR")
expandSR   = input(true, "Expand SR")
// Get components
rb            = 10
prd           = 284
ChannelW      = 10
label_loc     = 55
style         = lineStyle == "Solid" ? line.style_solid : lineStyle == "Dotted" ? line.style_dotted : line.style_dashed
ph            = ta.pivothigh(rb, rb)
pl            = ta.pivotlow (rb, rb)
sr_levels     = array.new_float(21, na)
prdhighest    = ta.highest(prd)
prdlowest     = ta.lowest(prd)
cwidth        = percWidth(prd, ChannelW)
zonePerc      = percWidth(300, zoneWidth)
aas           = array.new_bool(41, true)
u1            = 0.0, u1 := nz(u1[1])
d1            = 0.0, d1 := nz(d1[1])
highestph     = 0.0, highestph := highestph[1]
lowestpl      = 0.0, lowestpl := lowestpl[1]
var sr_levs   = array.new_float(21, na)
label hlabel  = na, label.delete(hlabel[1])
label llabel  = na, label.delete(llabel[1])
var sr_lines  = array.new_line(21, na)
var sr_linesH = array.new_line(21, na)
var sr_linesL = array.new_line(21, na)
var sr_linesF = array.new_linefill(21, na)
var sr_labels = array.new_label(21, na)
if ph or pl
    for x = 0 to array.size(sr_levels) - 1
        array.set(sr_levels, x, na)
    highestph := prdlowest
    lowestpl := prdhighest
    countpp = 0
    for x = 0 to prd
        if na(close[x])
            break
        if not na(ph[x]) or not na(pl[x])
            highestph := math.max(highestph, nz(ph[x], prdlowest), nz(pl[x], prdlowest))
            lowestpl := math.min(lowestpl, nz(ph[x], prdhighest), nz(pl[x], prdhighest))
            countpp += 1
            if countpp > 40
                break
            if array.get(aas, countpp)
                upl = (ph[x] ? high[x + rb] : low[x + rb]) + cwidth
                dnl = (ph[x] ? high[x + rb] : low[x + rb]) - cwidth
                u1 := countpp == 1 ? upl : u1
                d1 := countpp == 1 ? dnl : d1
                tmp = array.new_bool(41, true)
                cnt = 0
                tpoint = 0
                for xx = 0 to prd
                    if na(close[xx])
                        break
                    if not na(ph[xx]) or not na(pl[xx])
                        chg = false
                        cnt += 1
                        if cnt > 40
                            break
                        if array.get(aas, cnt)
                            if not na(ph[xx])
                                if high[xx + rb] <= upl and high[xx + rb] >= dnl
                                    tpoint += 1
                                    chg := true
                            if not na(pl[xx])
                                if low[xx + rb] <= upl and low[xx + rb] >= dnl
                                    tpoint += 1
                                    chg := true
                        if chg and cnt < 41
                            array.set(tmp, cnt, false)
                if tpoint >= strengthSR
                    for g = 0 to 40 by 1
                        if not array.get(tmp, g)
                            array.set(aas, g, false)
                    if ph[x] and countpp < 21
                        array.set(sr_levels, countpp, high[x + rb])
                    if pl[x] and countpp < 21
                        array.set(sr_levels, countpp, low[x + rb])
// Plot
var line highest_ = na, line.delete(highest_)
var line lowest_  = na, line.delete(lowest_)
var line highest_fill1 = na, line.delete(highest_fill1)
var line highest_fill2 = na, line.delete(highest_fill2)
var line lowest_fill1  = na, line.delete(lowest_fill1)
var line lowest_fill2  = na, line.delete(lowest_fill2)
hi_col = close >= highestph ? colorSup : colorRes
lo_col = close >= lowestpl  ? colorSup : colorRes
if enableSR
    highest_ := line.new(bar_index - 311, highestph, bar_index, highestph, xloc.bar_index, expandSR ? extend.both : extend.right, hi_col, style, lineWidth)
    lowest_  := line.new(bar_index - 311, lowestpl , bar_index, lowestpl , xloc.bar_index, expandSR ? extend.both : extend.right, lo_col, style, lineWidth)
    if useHLZones
        highest_fill1 := line.new(bar_index - 311, highestph + zonePerc, bar_index, highestph + zonePerc, xloc.bar_index, expandSR ? extend.both : extend.right, na)
        highest_fill2 := line.new(bar_index - 311, highestph - zonePerc, bar_index, highestph - zonePerc, xloc.bar_index, expandSR ? extend.both : extend.right, na)
        lowest_fill1  := line.new(bar_index - 311, lowestpl + zonePerc , bar_index, lowestpl + zonePerc , xloc.bar_index, expandSR ? extend.both : extend.right, na)
        lowest_fill2  := line.new(bar_index - 311, lowestpl - zonePerc , bar_index, lowestpl - zonePerc , xloc.bar_index, expandSR ? extend.both : extend.right, na)
        linefill.new(highest_fill1, highest_fill2, color.new(hi_col, 80))
        linefill.new(lowest_fill1 , lowest_fill2 , color.new(lo_col, 80))
if ph or pl
    for x = 0 to array.size(sr_lines) - 1
        array.set(sr_levs, x, array.get(sr_levels, x))
for x = 0 to array.size(sr_lines) - 1
    line.delete(array.get(sr_lines, x))
    line.delete(array.get(sr_linesH, x))
    line.delete(array.get(sr_linesL, x))
    linefill.delete(array.get(sr_linesF, x))
    if array.get(sr_levs, x) and enableSR
        line_col = close >= array.get(sr_levs, x) ? colorSup : colorRes
        array.set(sr_lines, x, line.new(bar_index - 355, array.get(sr_levs, x), bar_index, array.get(sr_levs, x), xloc.bar_index, expandSR ? extend.both : extend.right, line_col, style, lineWidth))
        if useZones
            array.set(sr_linesH, x, line.new(bar_index - 355, array.get(sr_levs, x) + zonePerc, bar_index, array.get(sr_levs, x) + zonePerc, xloc.bar_index, expandSR ? extend.both : extend.right, na))
            array.set(sr_linesL, x, line.new(bar_index - 355, array.get(sr_levs, x) - zonePerc, bar_index, array.get(sr_levs, x) - zonePerc, xloc.bar_index, expandSR ? extend.both : extend.right, na))
            array.set(sr_linesF, x, linefill.new(array.get(sr_linesH, x), array.get(sr_linesL, x), color.new(line_col, 80)))
for x = 0 to array.size(sr_labels) - 1
    label.delete(array.get(sr_labels, x))
    if array.get(sr_levs, x) and enableSR
        lab_loc = close >= array.get(sr_levs, x) ? label.style_label_up : label.style_label_down
        lab_col = close >= array.get(sr_levs, x) ? colorSup             : colorRes
        array.set(sr_labels, x, label.new(bar_index + label_loc, array.get(sr_levs, x), str.tostring(math.round_to_mintick(array.get(sr_levs, x))), color=lab_col , textcolor=#000000, style=lab_loc))
hlabel := enableSR ? label.new(bar_index + label_loc + math.round(math.sign(label_loc)) * 20, highestph, "High Level : " + str.tostring(highestph), color=hi_col, textcolor=#000000, style=label.style_label_down) : na
llabel := enableSR ? label.new(bar_index + label_loc + math.round(math.sign(label_loc)) * 20, lowestpl , "Low  Level : " + str.tostring(lowestpl) , color=lo_col, textcolor=#000000, style=label.style_label_up  ) : na


// Get components
rsi       = ta.rsi(close, 28)
//rsiOb     = rsi > 78 and rsi > ta.ema(rsi, 10)
//rsiOs     = rsi < 27 and rsi < ta.ema(rsi, 10)
rsiOb     = rsi > 65 and rsi > ta.ema(rsi, 10)
rsiOs     = rsi < 35 and rsi < ta.ema(rsi, 10)
dHigh     = securityNoRep(syminfo.tickerid, "D", high [1])
dLow      = securityNoRep(syminfo.tickerid, "D", low  [1])
dClose    = securityNoRep(syminfo.tickerid, "D", close[1])
ema = ta.ema(close, 144)
emaBull = close > ema
equal_tf(res) => str.tonumber(res) == f_chartTfInMinutes() and not timeframe.isseconds
higher_tf(res) => str.tonumber(res) > f_chartTfInMinutes() or timeframe.isseconds
too_small_tf(res) => (timeframe.isweekly and res=="1") or (timeframe.ismonthly and str.tonumber(res) < 10)
securityNoRep1(sym, res, src) =>
    bool bull_ = na
    bull_ := equal_tf(res) ? src : bull_
    bull_ := higher_tf(res) ? request.security(sym, res, src, barmerge.gaps_off, barmerge.lookahead_on) : bull_
    bull_array = request.security_lower_tf(syminfo.tickerid, higher_tf(res) ? str.tostring(f_chartTfInMinutes()) + (timeframe.isseconds ? "S" : "") : too_small_tf(res) ? (timeframe.isweekly ? "3" : "10") : res, src)
    if array.size(bull_array) > 1 and not equal_tf(res) and not higher_tf(res)
        bull_ := array.pop(bull_array)
    array.clear(bull_array)
    bull_
TF1Bull   = securityNoRep1(syminfo.tickerid, "1"   , emaBull)
TF3Bull   = securityNoRep1(syminfo.tickerid, "3"   , emaBull)
TF5Bull   = securityNoRep1(syminfo.tickerid, "5"   , emaBull)
TF15Bull  = securityNoRep1(syminfo.tickerid, "15"  , emaBull)
TF30Bull  = securityNoRep1(syminfo.tickerid, "30"  , emaBull)
TF60Bull  = securityNoRep1(syminfo.tickerid, "60"  , emaBull)
TF120Bull = securityNoRep1(syminfo.tickerid, "120" , emaBull)
TF240Bull = securityNoRep1(syminfo.tickerid, "240" , emaBull)
TF480Bull = securityNoRep1(syminfo.tickerid, "480" , emaBull)
TFDBull   = securityNoRep1(syminfo.tickerid, "1440", emaBull)
[wt1, wt2] = wavetrend(close, 5, 10)
[wtDivBear1, wtDivBull1] = f_findDivs(wt2, 15, -40)
[wtDivBear2, wtDivBull2] = f_findDivs(wt2, 45, -65)
wtDivBull = wtDivBull1 or wtDivBull2
wtDivBear = wtDivBear1 or wtDivBear2
////////////////////////////////////////////////////////
// === BASE FUNCTIONS ===
// Returns MA input selection variant, default to SMA if blank or typo.
variant(type, src, len, offSig, offALMA) =>
    v1 = ta.sma(src, len)  // Simple
    v2 = ta.ema(src, len)  // Exponential
    v3 = 2 * v2 - ta.ema(v2, len)  // Double Exponential
    v4 = 3 * (v2 - ta.ema(v2, len)) + ta.ema(ta.ema(v2, len), len)  // Triple Exponential
    v5 = ta.wma(src, len)  // Weighted
    v6 = ta.vwma(src, len)  // Volume Weighted
    v7 = 0.0
    sma_1 = ta.sma(src, len)  // Smoothed
    v7 := na(v7[1]) ? sma_1 : (v7[1] * (len - 1) + src) / len
    v8 = ta.wma(2 * ta.wma(src, len / 2) - ta.wma(src, len), math.round(math.sqrt(len)))  // Hull
    v9 = ta.linreg(src, len, offSig)  // Least Squares
    v10 = ta.alma(src, len, offALMA, offSig)  // Arnaud Legoux
    v11 = ta.sma(v1, len)  // Triangular (extreme smooth)
    // SuperSmoother filter
    //  2013  John F. Ehlers
    a1 = math.exp(-1.414 * 3.14159 / len)
    b1 = 2 * a1 * math.cos(1.414 * 3.14159 / len)
    c2 = b1
    c3 = -a1 * a1
    c1 = 1 - c2 - c3
    v12 = 0.0
    v12 := c1 * (src + nz(src[1])) / 2 + c2 * nz(v12[1]) + c3 * nz(v12[2])
    type == 'EMA' ? v2 : type == 'DEMA' ? v3 : type == 'TEMA' ? v4 : type == 'WMA' ? v5 : type == 'VWMA' ? v6 : type == 'SMMA' ? v7 : type == 'HullMA' ? v8 : type == 'LSMA' ? v9 : type == 'ALMA' ? v10 : type == 'TMA' ? v11 : type == 'SSMA' ? v12 : v1

// security wrapper for repeat calls
reso(exp, use, res) =>
    security_1 = request.security(syminfo.tickerid, res, exp, gaps=barmerge.gaps_off, lookahead=barmerge.lookahead_on)
    use ? security_1 : exp

// === /BASE FUNCTIONS ===
// === SERIES SETUP ===
closeSeries = variant(basisType, close[delayOffset], basisLen, offsetSigma, offsetALMA)
openSeries = variant(basisType, open[delayOffset], basisLen, offsetSigma, offsetALMA)
// === /SERIES ===

// Get Alternate resolution Series if selected.
closeSeriesAlt = reso(closeSeries, useRes, stratRes)
openSeriesAlt = reso(openSeries, useRes, stratRes)
//
// === ALERT conditions
xlong = ta.crossover(closeSeriesAlt, openSeriesAlt)
xshort = ta.crossunder(closeSeriesAlt, openSeriesAlt)
longCond = xlong  // alternative: longCond[1]? false : (xlong or xlong[1]) and close>closeSeriesAlt and close>=open
shortCond = xshort  // alternative: shortCond[1]? false : (xshort or xshort[1]) and close<closeSeriesAlt and close<=open
// === /ALERT conditions.
buy = ta.crossover(closeSeriesAlt, openSeriesAlt)
sell = ta.crossunder(closeSeriesAlt, openSeriesAlt)

plotshape(buy,  title = "Buy",  text = 'Buy',  style = shape.labelup,   location = location.belowbar, color= #00DBFF, textcolor = #FFFFFF, transp = 0, size = size.tiny)
plotshape(sell, title = "Sell", text = 'Sell', style = shape.labeldown, location = location.abovebar, color= #E91E63, textcolor = #FFFFFF, transp = 0, size = size.tiny)

// === STRATEGY ===
// stop loss
slPoints = input.int(defval=0, title='Initial Stop Loss Points (zero to disable)', minval=0)
tpPoints = input.int(defval=0, title='Initial Target Profit Points (zero for disable)', minval=0)
// Include bar limiting algorithm
ebar = input.int(defval=4000, title='Number of Bars for Back Testing', minval=0)
dummy = input(false, title='- SET to ZERO for Daily or Longer Timeframes')
//
// Calculate how many mars since last bar
tdays = (timenow - time) / 60000.0  // number of minutes since last bar
tdays := timeframe.ismonthly ? tdays / 1440.0 / 5.0 / 4.3 / timeframe.multiplier : timeframe.isweekly ? tdays / 1440.0 / 5.0 / timeframe.multiplier : timeframe.isdaily ? tdays / 1440.0 / timeframe.multiplier : tdays / timeframe.multiplier  // number of bars since last bar
//
//set up exit parameters
TP = tpPoints > 0 ? tpPoints : na
SL = slPoints > 0 ? slPoints : na

// === /STRATEGY ===
////////////////////////////////////////////////////////////////////////////////
// to automate put this in trendinview message:     {{strategy.order.alert_message}}
i_alert_txt_entry_long = input.text_area(defval = "", title = "Long Entry Message", group = "Alerts")
i_alert_txt_entry_short = input.text_area(defval = "", title = "Short Entry Message", group = "Alerts")

// Entries and Exits with TP/SL
if buy
    //strategy.close("Short" , alert_message = i_alert_txt_exit_short)
    strategy.entry("Long" , strategy.long , alert_message = i_alert_txt_entry_long)

if sell
    //strategy.close("Long" , alert_message = i_alert_txt_exit_long)
    strategy.entry("Short" , strategy.short, alert_message = i_alert_txt_entry_short)