#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Mon Jul 15 13:55:05 EDT 2024
if __name__ == '__main__':
    import sys,os
    try:
        from misc.timer import Timer
        tt = Timer(f'[{os.getcwd()}] start ' + ' '.join(sys.argv))
    except:
        pass
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__':
    try:
        tt.check('end import')
    except:
        pass
#
#start from here
daname = 'so4'
#ref year
year0 = get_kws_from_argv('year0', '1970')
year0 = int(year0)
#pertub year
year = get_kws_from_argv('year', '1990')
year = int(year)
ifile = '/tigress/wenchang/CM2.5_tiger2_wy/CM2.5/input_wy/input_for_FLOR/aerosol.climatology.nc'
ds = xr.open_dataset(ifile)
da = ds[daname].sel(time=slice(f'{year0-5}', f'{year0+5}')).sum('sigma_full', keep_attrs=True).mean('time', keep_attrs=True)
da0 = da
da = ds[daname].sel(time=slice(f'{year-5}', f'{year+5}')).sum('sigma_full', keep_attrs=True).mean('time', keep_attrs=True)
with xr.set_options(keep_attrs=True):
    daa = da - da0

if __name__ == '__main__':
    from wyconfig import * #my plot settings
    from geoplots import mapplot
    fig,ax = plt.subplots()
    da0.plot.contourf(robust=True, levels=21, cmap='Reds')
    mapplot()
    ax.set_title(f'FLOR {daname} annual mean: {year0}')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__{daname}_{year0}.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
    fig,ax = plt.subplots()
    daa.plot.contourf(robust=True, levels=21)
    mapplot()
    ax.set_title(f'FLOR {daname} annual mean anom: {year} minus {year0}')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__{daname}_{year}minus{year0}.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
 
    try:
        tt.check(f'**Done**')
    except:
        pass
    print()
    if 'notshowfig' in sys.argv or 'n' in sys.argv:
        pass
    else:
        if 'plt' in globals(): plt.show()