#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Fri Nov 10 13:12:59 EST 2023
if __name__ == '__main__':
    import sys,os
    from misc.timer import Timer
    tt = Timer(f'[{os.getcwd()}] 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
wython = '/tigress/wenchang/wython'
if wython not in sys.path: sys.path.append(wython); print('added to python path:', wython)
#from misc import get_kws_from_argv
#
if __name__ == '__main__':
    tt.check('end import')
#
#start from here
ifile = 'wwa_gmst_FLOR_HistRCP45_tigercpu_intelmpi_18_576PE_10ens_1860-2100_yearly.nc'
da = xr.open_dataarray(ifile).load().groupby('time.year').mean('time', keep_attrs=True)
#da.attrs['long_name'] = f'GMST anom from 1951-1980'
da.attrs['long_name'] = f'GMST anom'
model,expname = ifile.split('_')[2:4]
daname = da.name
n_ens = da.ens.size
year0 = da.year.values[0]
year1 = da.year.values[-1]
 
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    fig,ax = plt.subplots()
    for ii in da.ens.values:
        da.sel(ens=ii).plot(color='gray', lw=1, alpha=0.3, ax=ax)
    da.mean('ens', keep_attrs=True).plot(color='C0', ls='-', ax=ax)
    title = f'GMST anom (from 1951-1980), {model} {expname}, {n_ens}ens, {year0}-{year1}'
    ax.set_title(title)
    #ax.axvspan(1951,1980, color='gray', alpha=0.3)

    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
 
    tt.check(f'**Done**')
    print()
    if 'notshowfig' in sys.argv or 'n' in sys.argv:
        pass
    else:
        if 'plt' in globals(): plt.show()