#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Fri Jun 20 02:33:46 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
from modelout import get_modelout_data
from modelout.getdata import funcs
from misc.landmask import whereland
from geoplots.cartopy.api import cartoproj
#
if __name__ == '__main__':
    try:
        tt.check('end import')
    except:
        pass
#
#start from here
funcname = 'annualmax'
func = funcs[funcname]
daname = 'precip'
model = 'AM2.5C360'
expname = 'amipHadISSTrcp45_tigercpu_intelmpi_18_1080PE'
ens = range(6,6+1)
dsname = 'atmos_daily'
da = get_modelout_data(daname=daname, model=model, expname=expname, ens=ens, years=range(2001,2020+1), dsname=dsname, func=func, funcname=funcname)
da_ref = da
da = get_modelout_data(daname=daname, model=model, expname=expname, ens=ens, years=range(2081,2100+1), dsname=dsname, func=func, funcname=funcname)


def wyplot(ax=None, **kws): 
    units = lambda x: x.assign_attrs(units=da.attrs['units'])#, long_name='specific humidity')
    vmax = None #5
    cmap = 'BrBG'
    proj = cartoproj('robin')
    dproj = cartoproj('cyl')
    if ax is None:
        ax = plt.axes(projection=proj)
    daa = da.mean('time') - da_ref.mean('time')
    im = daa.pipe(whereland).pipe(units).plot(ax=ax, transform=dproj, extend='both', vmax=vmax, center=0, cmap=cmap, robust=True, **kws)

    title = 'AM2.5C360 annual max of daily mean precip\n change from 2001-2020 to 2081-2100'
    ax.set_title('')
    ax.set_title(title, loc='center')

    return im
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    wyplot()
    
    #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()