Grimm Silver

//@version=4
study(title="Grimm Silver", shorttitle="Silver", overlay=true)

// ### Trading Session 

ts = input(title="Show Trade Session", type=input.bool, defval=true)

tz = input(title="Timezone", type=input.string, defval="America/New_York", options=["Asia/Tokyo", "Europe/London","America/New_York"])
label = input(title="Label", type=input.string, defval="CME Open", tooltip="For easy identification")

startHour = input(title="analysis Start hour", type=input.integer, defval=9, minval=0, maxval=23)
startMinute = input(title="analysis Start minute", type=input.integer, defval=00, minval=0, maxval=59)

startHour2 = input(title="Session Start hour", type=input.integer, defval=9, minval=0, maxval=23)
startMinute2 = input(title="Session Start minute", type=input.integer, defval=30, minval=0, maxval=59)
endHour2 = input(title="Session End hour", type=input.integer, defval=21, minval=0, maxval=23)
endMinute2 = input(title="Session End minute", type=input.integer, defval=0, minval=0, maxval=59)

rangeColor = input(title="Color", type=input.color, defval=color.new(color.green, 90))

showMon = input(title="Monday", type=input.bool, defval=true)
showTue = input(title="Tuesday", type=input.bool, defval=true)
showWed = input(title="Wednesday", type=input.bool, defval=true)
showThu = input(title="Thursday", type=input.bool, defval=true)
showFri = input(title="Friday", type=input.bool, defval=true)
showSat = input(title="Saturday", type=input.bool, defval=false)
showSun = input(title="Sunday", type=input.bool, defval=false)

tzYear = year(time, tz)
tzMonth = month(time, tz)
tzDay = dayofmonth(time, tz)
tzDayOfWeek = dayofweek(time, tz)
startTime = timestamp(tz, tzYear, tzMonth, tzDay, startHour, startMinute)
endTime = timestamp(tz, tzYear, tzMonth, tzDay, endHour2, endMinute2)

active = if startTime <= time and time <= endTime and ts
    if tzDayOfWeek == dayofweek.monday and showMon
        true
    else if tzDayOfWeek == dayofweek.tuesday and showTue
        true
    else if tzDayOfWeek == dayofweek.wednesday and showWed
        true
    else if tzDayOfWeek == dayofweek.thursday and showThu
        true
    else if tzDayOfWeek == dayofweek.friday and showFri
        true
    else if tzDayOfWeek == dayofweek.saturday and showSat
        true
    else if tzDayOfWeek == dayofweek.sunday and showSun
        true
    else
        false
else
    false

bgcolor(color=active ? rangeColor : na, title = "Session Background")

BullPaint = active and low > high[2] and low > high[2] 
BearPaint = active and high < low[2] and high < low[2]
barcolor( BullPaint ? color.green : BearPaint ? color.red :na,offset=-1)

// alerts
alertcondition(BullPaint, title='Bullish Paint Alert', message='{{ticker}} - Bullish Paint')
alertcondition(BearPaint, title='Bearish Paint Alert', message='{{ticker}} - Bearish Paint')