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


@indicator('ADX + DI (Wilder Plus)')
@param.int('len', default=14, min=1, title='Length')
@param.bool('show_fill', default=False, title='Fill between DI+ and DI-')
@level(20, line_color=color.GRAY, title='Weak Trend')
@level(25, line_color=color.GRAY, title='Trend')
@level(40, line_color=color.GRAY, title='Strong')
@plot.line('di_plus', color=color.GREEN, title='+DI')
@plot.line('di_minus', color=color.RED, title='-DI')
@plot.line(color=color.NAVY, line_width=2, title='ADX')
@plot.fill('di_plus', 'di_minus', title='DI Trend Zone')
def Main(self, len, show_fill):
    minus_di, adx, plus_di = Adx.new(adx_len=len, di_len=len)
    
    # Dynamic fill color based on DI crossover
    fill_color = color.GREEN(0.15) if plus_di[0] > minus_di[0] else color.RED(0.15)
    # Only show fill if show_fill is True
    actual_fill_color = fill_color if show_fill else color.TRANSPARENT
    
    return plus_di[0], minus_di[0], adx[0], plot.Fill(color=actual_fill_color)