fxOpens

//@version=5

indicator("fxOpens", "fxOpens ", overlay=true)

//Inputs
midnightToggle = input.bool(true,"Enabled", inline="nymid", group="New York Midnight")
midnight_time = input.session('0000-0001:1234567', "NY Midnight", group="New York Midnight")
midnight_color = input.color(#ff8000, "", inline="nymid", group="New York Midnight")
midnight_linestyle = input.string("Solid", "", options=["Solid", "Dotted", "Dashed"], inline="nymid", group="New York Midnight")

nyToggle = input.bool(true,"Enabled","", inline="ny", group="New York Open")
ny_time = input.session('0800-0801:1234567', "NY open", group="New York Open")
ny_color = input.color(#ff8000, "", inline="ny", group="New York Open")
ny_linestyle = input.string("Solid", "", options=["Solid", "Dotted", "Dashed"], inline="ny", group="New York Open")

londonToggle = input.bool(true,"Enabled", inline="lnd", group="London Open")
london_time = input.session('0300-0301:1234567', "London Open", group="London Open")
london_color = input.color(#0000FF, "", inline="lnd", group="London Open")
london_linestyle = input.string("Solid", "", options=["Solid", "Dotted", "Dashed"], inline="lnd", group="London Open")

tokyoToggle = input.bool(true,"Enabled","", inline="tko", group="Tokyo Open")
tokyo_time = input.session('1900-1901:1234567', "Tokyo Open", group="Tokyo Open")
tokyo_color = input.color(#FF00FF, "", inline="tko", group="Tokyo Open")
tokyo_linestyle = input.string("Solid", "", options=["Solid", "Dotted", "Dashed"], inline="tko", group="Tokyo Open")

label_size = input.string("Small", "Size", options=["Small", "Normal", "Huge"], group="Labels")
labelOffset = (input.int(5,"Label Offset", group="Labels") * timeframe.multiplier*600000)

nymid = time("1", midnight_time)
nyopen = time("1", ny_time)
londonopen = time("1", london_time)
tokyoopen = time("1", tokyo_time)
linestyle_mid = midnight_linestyle == "Solid" ? line.style_solid : midnight_linestyle == "Dotted" ? line.style_dotted : line.style_dashed
linestyle_ny = ny_linestyle == "Solid" ? line.style_solid : ny_linestyle == "Dotted" ? line.style_dotted : line.style_dashed
linestyle_london = london_linestyle == "Solid" ? line.style_solid : london_linestyle == "Dotted" ? line.style_dotted : line.style_dashed
linestyle_tokyo = tokyo_linestyle == "Solid" ? line.style_solid : tokyo_linestyle == "Dotted" ? line.style_dotted : line.style_dashed
labelSize = label_size == "Small" ? size.small : label_size == "Normal" ? size.normal : size.huge

//Midnight
var opmid  = 0.0
if nymid
    if not nymid[1]
        opmid  := open
    else
        opmid := math.max(open, opmid)

//NY
var opny  = 0.0
if nyopen
    if not nyopen[1]
        opny  := open
    else
        opny := math.max(open, opny)

//London
var oplondon  = 0.0
if londonopen
    if not londonopen[1]
        oplondon  := open
    else
        oplondon := math.max(open, oplondon)

//Tokyo
var optokyo  = 0.0
if tokyoopen
    if not tokyoopen[1]
        optokyo  := open
    else
        optokyo := math.max(open, optokyo)


//Midnight
var label lb = na
var line lne = na
if midnightToggle
    if opmid != opmid[1]
        if barstate.isconfirmed
            line.set_x2(lne, nymid)
            lne := line.new(nymid, opmid, last_bar_time, opmid, xloc.bar_time, extend.right, midnight_color, linestyle_mid, 1)
            lb  := label.new(last_bar_time + labelOffset, opmid, "NY Midnight", xloc.bar_time, yloc.price, na, label.style_none, midnight_color, labelSize, text.align_right)

            label.delete(lb[1])
            line.delete(lne[1])

//NY
var label la = na
var line lna = na
if nyToggle
    if opny != opny[1]
        if barstate.isconfirmed
            line.set_x2(lna, nyopen)
            lna := line.new(nyopen, opny, last_bar_time, opny, xloc.bar_time, extend.right, ny_color, linestyle_ny, 1)
            la  := label.new(last_bar_time + labelOffset, opny, "NY Open", xloc.bar_time, yloc.price, na, label.style_none, ny_color, labelSize, text.align_right)

            label.delete(la[1])
            line.delete(lna[1])

//London
var label la_lnd = na
var line lna_lnd = na
if londonToggle
    if oplondon != oplondon[1]
        if barstate.isconfirmed
            line.set_x2(lna_lnd, londonopen)
            lna_lnd := line.new(londonopen, oplondon, last_bar_time, oplondon, xloc.bar_time, extend.right, london_color, linestyle_london, 1)
            la_lnd  := label.new(last_bar_time + labelOffset , oplondon, "London Open", xloc.bar_time, yloc.price, na, label.style_none, london_color, labelSize, text.align_right)

            label.delete(la_lnd[1])
            line.delete(lna_lnd[1])

//Tokyo
var label la_tko = na
var line lna_tko = na
if tokyoToggle
    if optokyo != optokyo[1]
        if barstate.isconfirmed
            line.set_x2(lna_tko, tokyoopen)
            lna_tko := line.new(tokyoopen, optokyo, last_bar_time, optokyo, xloc.bar_time, extend.right, tokyo_color, linestyle_tokyo, 1)
            la_tko  := label.new(last_bar_time + labelOffset , optokyo, "Tokyo Open", xloc.bar_time, yloc.price, na, label.style_none, tokyo_color, labelSize, text.align_right)
            label.delete(la_tko[1])
            line.delete(lna_tko[1])


//Alerts
nymidCross = ta.cross(close, opmid)
nyCross = ta.cross(close, opny)
londonCross = ta.cross(close, oplondon)
tokyoCross = ta.cross(close, optokyo)

alertcondition(condition=nymidCross, title="Crossing New York Midnight", message="Crossing New York Midnight Price")
alertcondition(condition=nyCross, title="Crossing New York Open", message="Crossing New York Open Price")
alertcondition(condition=londonCross, title="Crossing London Open", message="Crossing London Open Price")
alertcondition(condition=tokyoCross, title="Crossing Tokyo Open", message="Crossing Tokyo Open Price")