//@version=5

strategy("ChannelBreakOutStrategy"
 , overlay=true
 , process_orders_on_close = true)

length = input.int(title="Length", minval=1, maxval=1000, defval=5)
upBound = ta.highest(high, length)
downBound = ta.lowest(low, length)

InSession(sessionTimes, sessionTimeZone=syminfo.timezone) =>
    not na(time(timeframe.period
     , sessionTimes
     , sessionTimeZone))

timeZone = input.string("GMT-5", title='Time Zone',group='Session')
sessionInput = input.session("0800-1300", title="Trading Session",group='Session')
daysInput = input.string("1234567", title="Trading Days", group="Session",
     tooltip="Specifies on which day of\nthe week the session is active. " +
     "\nThe session has to be active\non at least one day." +
     "\n\nPossible values and days are:\n1 - Sunday\n2 - Monday" + 
     "\n3 - Tuesday\n4 - Wednesday\n5 - Thursday\n6 - Friday\n7 - Saturday")

tradingSession = sessionInput + ":" + daysInput

trading_session_filter = InSession(tradingSession, timeZone)

cond = not trading_session_filter and trading_session_filter[1]

if (not na(close[length])) and trading_session_filter 
    strategy.entry("ChBrkLE", strategy.long, stop=upBound + syminfo.mintick, comment="ChBrkLE")

if trading_session_filter
    strategy.entry("ChBrkSE", strategy.short, stop=downBound - syminfo.mintick, comment="ChBrkSE")

if trading_session_filter != trading_session_filter[1] 
     and not trading_session_filter
    strategy.cancel_all()
    strategy.close_all(comment="End Of Session")