# indie:lang_version = 5
from indie import indicator, param, plot, color
from indie.algorithms import Atr


@indicator('ATR')  # Average True Range
@param.int('length', default=14, min=1)
@param.str('smoothing', default='RMA', options=['RMA', 'SMA', 'EMA', 'WMA'], title='Smoothing')
@plot.line(color=color.RED)
def Main(self, length, smoothing):
    return Atr.new(length, smoothing)[0]