#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Sat Oct 28 15:44:49 EDT 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
import geoxarray
#
if __name__ == '__main__':
    tt.check('end import')
#
#start from here
funcname = 'glbmean'
func = lambda da: da.load().geo.fldmean().groupby('time.year').mean('time', keep_attrs=True)
ifiles = glob.glob('../rawdata/*.nc')
ifiles.sort()

for ifile in ifiles:
    ofile = os.path.basename(ifile).replace('.nc', f'_{funcname}.nc')
    if os.path.exists(ofile):
        print('[exists]:', ofile)
        continue
    else:
        da = xr.open_dataarray(ifile)
        daname = da.name
        da = da.pipe(func)
        ds = da.to_dataset(name=daname)
        ds.to_netcdf(ofile)
        print('[saved]:', ofile)
 
if __name__ == '__main__':
    #from wyconfig import * #my plot settings
    
    #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()