#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Thu Apr 21 14:44:45 EDT 2022
if __name__ == '__main__':
    import sys
    from misc.timer import Timer
    tt = Timer('start ' + ' '.join(sys.argv))
import sys, os.path, os, glob, datetime
import xarray as xr, numpy as np, pandas as pd, matplotlib.pyplot as plt
#more imports
#
if __name__ == '__main__':
    tt.check('end import')
#
#start from here
region = 'central'
if 'southeast' in sys.argv:
    region = 'southeast'
elif 'northeast' in sys.argv:
    region = 'northeast'

ifile = f'TasJJA_AM4urban_wasteCool_0urban_amip_1870-2020_{region}.nc'
da0 = xr.open_dataarray(ifile)

ifile = f'TasJJA_AM4urban_wasteCool_amip_1870-2020_{region}.nc'
da = xr.open_dataarray(ifile)
units = da.attrs['units']
 
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    import xfilter
    n_window = 11
    lowpass = lambda x: x.filter.lowpass(1/n_window, dim='year', padtype='even')
    alpha = 0.5
    fig, ax = plt.subplots()
    da0.mean('en', keep_attrs=True).plot(label='noUrban', color='C0', alpha=alpha)
    da.mean('en', keep_attrs=True).plot(label='globalUrban', color='C1', alpha=alpha)
    da0.mean('en').pipe(lowpass).plot(color='C0', lw=2)
    da.mean('en').pipe(lowpass).assign_attrs(units=units).plot(color='C1', lw=2)

    title = f'{region}; {da.en.size}-ens mean and {n_window}-year lowpass'
    ax.set_title(title, loc='left')
    ax.legend()
    
    #savefig
    if len(sys.argv)>1 and 'savefig' in sys.argv[1:]:
        figname = __file__.replace('.py', f'_{region}.png')
        if 'overwritefig' in sys.argv[1:]:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
    tt.check(f'**Done**')
    print()
    plt.show()