OrderBlockOverlappingDrawing

// This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © TFlab
//@version=5

library('OrderBlockOverlappingDrawing', overlay = true)

export OBOverlappingDrawing(string OBType , bool TriggerConditionOrigin, float distalPrice_Pre, float proximalPrice_Pre ,float distalPrice_Curr, float proximalPrice_Curr, int  Index_Curr ,
 bool OBValidGlobal, int OBValidDis, string MitigationLvL,bool ShowAll,bool Show,color ColorZone) =>

    var string oBType = OBType
    var bool Trigger = false
    var bool show = Show
    var color colorZone = ColorZone
    var float DistalPrice = 0.0
    var float ProximalPrice = 0.0
    var bool Check = true
    var int Counter = 1
    var line Distal = na
    var line Proximal = na
    var line Line50per = na
    var linefill fillline = na
    var bool MitigationAlert = false 
    var int Index_Curr_Mit = 0
    var int Index_Pre_Mit  = 0
    var int Bar = 0

    if oBType == 'Demand'
        if  TriggerConditionOrigin     and Bar != Index_Curr    
            Bar := Index_Curr
            if (proximalPrice_Curr >= proximalPrice_Pre) and (distalPrice_Curr <= proximalPrice_Pre) and (distalPrice_Curr >= distalPrice_Pre)
                ProximalPrice := proximalPrice_Pre
                DistalPrice := distalPrice_Curr
                Trigger := true

            else if  (proximalPrice_Curr <= proximalPrice_Pre) and (distalPrice_Pre <= proximalPrice_Curr) and (distalPrice_Curr <= distalPrice_Pre)
                ProximalPrice := proximalPrice_Curr
                DistalPrice := distalPrice_Pre
                Trigger := true
                
            else if (proximalPrice_Curr <= proximalPrice_Pre) and (distalPrice_Pre <= proximalPrice_Curr) 
                ProximalPrice := proximalPrice_Curr
                DistalPrice := distalPrice_Curr        
                Trigger := true
            else 
                Trigger := false
        
    if oBType == 'Supply'
        if  TriggerConditionOrigin     and Bar != Index_Curr
            Bar := Index_Curr
            if (distalPrice_Curr >= distalPrice_Pre) and (distalPrice_Pre >= proximalPrice_Curr) and (proximalPrice_Pre <= proximalPrice_Curr)
                ProximalPrice := proximalPrice_Curr
                DistalPrice := distalPrice_Pre
                Trigger := true
            else if (distalPrice_Pre >= distalPrice_Curr) and (proximalPrice_Pre <= distalPrice_Curr) and (proximalPrice_Pre >= proximalPrice_Curr)
                ProximalPrice := proximalPrice_Pre
                DistalPrice := distalPrice_Curr
                Trigger := true                
            else if (distalPrice_Pre >= distalPrice_Curr) and (proximalPrice_Curr >= proximalPrice_Pre) 
                ProximalPrice := proximalPrice_Curr
                DistalPrice :=     distalPrice_Curr
                Trigger := true
            // else 
            //     Trigger := false 

    float ML = switch MitigationLvL
        'Proximal' => ProximalPrice
        'Distal' => DistalPrice
        '50 % OB' => (ProximalPrice+DistalPrice) / 2

    //Demand Oreder Block
    if oBType == 'Demand' 
        if  Trigger  and Show
            Distal := line.new(Index_Curr, DistalPrice, bar_index  , DistalPrice , color = color.rgb(0, 0, 0 , 45) , style = line.style_dashed , width = 1)
            Proximal := line.new(Index_Curr, ProximalPrice, bar_index , ProximalPrice , color = color.rgb(0, 0, 0 , 45) , style = line.style_dashed , width = 1)
            Line50per := line.new(Index_Curr, (ProximalPrice+DistalPrice) / 2 , bar_index , (ProximalPrice+DistalPrice) / 2  , color = color.rgb(0, 0, 0) , 
             style = line.style_dotted , width = 1)
            fillline := linefill.new(Distal ,Proximal ,color = colorZone )
            
        if (Check == true) and OBValidGlobal == true 
            Counter := Counter + 1  
            line.set_x2(Distal, bar_index + 1 )
            line.set_x2(Proximal,  bar_index + 1)
            line.set_x2(Line50per,  bar_index + 1)

        if (low < ML)  or (bar_index -  Index_Curr) >= OBValidDis 
            Counter := Counter
            Check := false
            
        if Trigger
            Counter := 1
            Check := true
            Trigger := false

    //Supply Oreder Block
    if oBType == 'Supply' 
        if Trigger and show
            Distal := line.new(Index_Curr, DistalPrice, bar_index , DistalPrice , color = color.rgb(0, 0, 0, 45) , style = line.style_dashed , width = 1)
            Proximal := line.new(Index_Curr, ProximalPrice, bar_index  , ProximalPrice , color = color.rgb(0, 0, 0 , 45) , style = line.style_dashed , width = 1)
            Line50per :=line.new(Index_Curr, (ProximalPrice+DistalPrice) / 2 , bar_index  , (ProximalPrice+DistalPrice) / 2  , color = color.rgb(0, 0, 0) , 
             style = line.style_dotted , width = 1)
            fillline := linefill.new(Distal ,Proximal ,color = colorZone )
            

        if (Check == true) and OBValidGlobal == true 
            Counter := Counter + 1
            line.set_x2(Distal, bar_index + 1 )
            line.set_x2(Proximal,  bar_index + 1)
            line.set_x2(Line50per,  bar_index + 1)

        if (high > ML) or (bar_index -  Index_Curr) >= OBValidDis 
            Counter := Counter
            Check := false

        if Trigger
            Counter := 1
            Check := true
            Trigger := false

    //Delete Last OB
    if not ShowAll and Trigger and Trigger != false
        line.delete(Distal[1])
        line.delete(Proximal[1])
        line.delete(Line50per[1])
        linefill.delete(fillline[1])


    //Mitigation Order Block Alert
    if Check[1] == true and Check == false
        MitigationAlert := true
    else
        MitigationAlert := false

    [MitigationAlert]