#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Tue Jul 29 03:40:29 PM EDT 2025
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
model = 'AM4.1'
levels = [2, 6, 8]

daname = 'blk_crb_col'
expname = 'CTL1850_tiger3_intel24ifort_openmpi_1536PE'
ifile = f'CTL/{daname}_{model}_{expname}_0001-0040_glbmean.nc'
da = xr.open_dataarray(ifile)
da_bc_ctl = da

das_bc = dict()
for lev in levels:
    expname = f'CTL1850_BC_L{lev}_Y0011_tiger3_intel24ifort_openmpi_1536PE'
    ifile = f'{daname}_{model}_{expname}_0011-0025_glbmean.nc'
    da = xr.open_dataarray(ifile)
    das_bc[lev] = da
 
daname = 'qo3_col'
expname = 'CTL1850_tiger3_intel24ifort_openmpi_1536PE'
ifile = f'CTL/{daname}_{model}_{expname}_0001-0040_glbmean.nc'
da = xr.open_dataarray(ifile)
da_o3_ctl = da
 
das_o3 = dict()
for lev in levels:
    expname = f'CTL1850_BC_L{lev}_Y0011_tiger3_intel24ifort_openmpi_1536PE'
    ifile = f'{daname}_{model}_{expname}_0011-0025_glbmean.nc'
    da = xr.open_dataarray(ifile)
    das_o3[lev] = da

if __name__ == '__main__':
    from wyconfig import * #my plot settings
    fig,ax = plt.subplots()
    for lev in levels:
        label = f'L{lev}_BC'
        da_ref = da_bc_ctl.groupby('time.month').mean('time')
        daa = das_bc[lev].groupby('time.month') - da_ref
        daa.assign_attrs(units='kg/m^2').plot(label=label)

    ax2 = ax.twinx()
    plt.sca(ax2)
    for lev in levels:
        label = f'minus L{lev}_O3'
        da_ref = da_o3_ctl.groupby('time.month').mean('time')
        daa = das_o3[lev].groupby('time.month') - da_ref
        (-daa).assign_attrs(units='DU').plot(ls='--', label=label)
    ax2.grid(False)

    ax.legend(loc='upper center')
    ax2.legend(loc='upper right')

    
    #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()