Intermarket Swing Projection

indicator('Intermarket Swing Projection [LuxAlgo]','LuxAlgo - Intermarket Swing Projection', overlay = true, max_lines_count = 500)

GREEN               = #089981
RED                 = #F23645
SILVER              = color.silver

DOTTED              = 'Dotted'
DASHED              = 'Dashed'
SOLID               = 'Solid'

COLOR_AVERAGE       = 'Average'
COLOR_PIVOTS        = 'Pivots'

STYLE_GROUP         = 'Style'

EM_SPACE            = ' '

colorModeSpacing    = EM_SPACE+EM_SPACE
colorModeTag        = 'Color Mode'+colorModeSpacing

customAssetInput    = input.symbol(     'TVC:SPX',      'Ticker')
customAssetTFInput  = input.timeframe(  '',             'Timeframe')
showLastInput       = input.int(        10,             'Show Last',    minval = 2, maxval = 500)
swingLengthInput    = input.int(        20,             'Pivot Length', minval = 2)
multiplierInput     = input.float(      1.0,            'Spread',       step = 0.25)
backpaintInput      = input.bool(       true,           'Backpaint')

showZigzagInput     = input.bool(       true,           'Show ZigZag',  group = STYLE_GROUP, inline = 'zigzag')
zigzagStyleInput    = input.string(     SOLID,          '',             group = STYLE_GROUP, inline = 'zigzag', options = [DOTTED,DASHED,SOLID])

showLevelsInput     = input.bool(       true,           'Show Levels',  group = STYLE_GROUP, inline = 'levels')
levelsStyleInput    = input.string(     SOLID,          '',             group = STYLE_GROUP, inline = 'levels', options = [DOTTED,DASHED,SOLID])
colorModeInput      = input.string(     COLOR_PIVOTS,   colorModeTag,   group = STYLE_GROUP, options = [COLOR_AVERAGE,COLOR_PIVOTS])
bullishColorInput   = input.color(      GREEN,          'Bullish',      group = STYLE_GROUP)
bearishColorInput   = input.color(      RED,            'Bearish',      group = STYLE_GROUP)
zigzagColorInput    = input.color(      SILVER,         'ZigZag',       group = STYLE_GROUP)

pivotDetection(length, showLast)=>    
    var bool lastPivotWasHigh   = true
    var array<int> times        = array.new<int>()
    var array<float> prices     = array.new<float>()
    int currentTime             = time[backpaintInput ? length : 0]
    float ph                    = ta.pivothigh(length, length)
    float pl                    = ta.pivotlow(length, length)

    if not na(ph) and not lastPivotWasHigh
        lastPivotWasHigh := true        
        times.unshift(currentTime)
        prices.unshift(ph)

        if times.size() > showLast            
            times.pop()
            prices.pop()

    if not na(pl) and lastPivot

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