#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Wed May 11 10:45:08 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
import salem
#
if __name__ == '__main__':
    tt.check('end import')
#
#start from here
ifile = 't_ref_max_FLOR_HistRCP45_tigercpu_intelmpi_18_576PE_5ens_1860-2100_SouthAsia.nc'
ofile = ifile.replace('.nc', '_masked.nc')
if os.path.exists(ofile):
    da = xr.open_dataarray(ofile)
    print('[loaded]:', ofile)
else:
    shapefile = 'mask_version2/mask_shapev2.shp'
    shdf = salem.read_shapefile(shapefile)
    da = xr.open_dataarray(ifile)
    da = da.salem.subset(shape=shdf, margin=1)\
        .salem.roi(shape=shdf)
    print('saving...')
    da.to_dataset().to_netcdf(ofile)
    print('[saved]:', ofile)

 
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    da.isel(ens=0, time=0).plot()
    
    #savefig
    if len(sys.argv)>1 and 'savefig' in sys.argv[1:]:
        figname = __file__.replace('.py', f'.png')
        if 'overwritefig' in sys.argv[1:]:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
    tt.check(f'**Done**')
    print()
    if 'notshowfig' in sys.argv:
        pass
    else:
        plt.show()