#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Fri Jun 21 13:11:28 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
ifile = 'slp_AM2.5_CTL1990s_tigercpu_intelmpi_18_540PE_0101-0200_atmos_month.nc'
da = xr.open_dataarray(ifile)
da_ctl = da
#nino
ifile = 'slp_AM2.5_CTL1990s_plusNino_mclim_tigercpu_intelmpi_18_540PE_0101-0150_atmos_month.nc'
da = xr.open_dataarray(ifile)
da_nino = da
#nina
ifile = 'slp_AM2.5_CTL1990s_plusNina_mclim_tigercpu_intelmpi_18_540PE_0101-0150_atmos_month.nc'
da = xr.open_dataarray(ifile)
da_nina = da
#plus2K
ifile = 'slp_AM2.5_CTL1990s_plus2K_tigercpu_intelmpi_18_540PE_0101-0150_atmos_month.nc'
da = xr.open_dataarray(ifile)
da_plus2K = da

 
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    from geoplots import mapplot
    fig,axes = plt.subplots(2, 2, figsize=(11,6))
    ax = axes[0, 0]
    da = da_nino.mean('time') - da_ctl.mean('time')
    da = da.assign_attrs(units='hPa')
    da.plot.contourf(levels=21, ax=ax)
    ax.set_title('Nino experiment')

    ax = axes[0, 1]
    da = da_nina.mean('time') - da_ctl.mean('time')
    da = da.assign_attrs(units='hPa')
    da.plot.contourf(levels=21, ax=ax)
    ax.set_title('Nina experiment')
    
    ax = axes[1, 0]
    da = da_plus2K.mean('time') - da_ctl.mean('time')
    da = (da/2).assign_attrs(units='hPa per K')
    da.plot.contourf(levels=21, ax=ax)
    ax.set_title('$+$2K experiment')

    axes[1,1].set_axis_off()

    for ax in axes.flat:
        plt.sca(ax)
        mapplot(ax=ax)
    
    #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)
 
    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()