#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Wed Oct  5 11:09:59 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
from modelout import get_modelout_data, update_modelout_data
from misc import get_kws_from_argv
import xfilter
nwindow, dimlp = 9, 'year'
#lowpass = lambda x: x.filter.lowpass(1/nwindow, dim=dimlp, padtype='odd')
lowpass = lambda x: x.rolling(year=nwindow, center=True, min_periods=1).mean() if x.year.size>9 else x
import geoxarray
#
if __name__ == '__main__':
    tt.check('end import')
#
#start from here
#daname = 't_surf'
from modelout.getdata import funcs
daname = get_kws_from_argv('daname', 'blk_crb') #qo3, temp
funcname = get_kws_from_argv('funcname', 'zonalmean')
#func = lambda x: x.load().geo.fldmean()
func = funcs[funcname]
dsname = 'atmos_month'
if daname in ('blk_crb', 'sulfate'):
    dsname = 'atmos_month_aer'


model = 'AM4.1'
expname = 'CTL1850_tiger3_intel24ifort_openmpi_1536PE'
da = update_modelout_data(daname=daname, model=model, expname=expname, dsname=dsname, func=func, funcname=funcname, odir='../CTL')#, years=range(100,201))
da_ctl = da

expname = 'CTL1850_BC_L2_Y0011_tiger3_intel24ifort_openmpi_1536PE'
da = update_modelout_data(daname=daname, model=model, expname=expname, dsname=dsname, func=func, funcname=funcname)#, years=range(100,201))
da_bc = da
year_last = da.time.dt.year.values[-1]

 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    from geoplots import yticks2lat
    #input params
    pfull = get_kws_from_argv('pfull', None) #mb
    pfull = 6 if pfull is None else int(pfull)
    nyears = get_kws_from_argv('nyears', None)
    nyears = 10 if nyears is None else int(nyears)
    figodir = None #if month is None else 'frames'
    pct = True if 'pct' in sys.argv else False
    cmap = None; vmin = None; levels = 21; vmax = None; extend = None
    if daname in ('blk_crb',): cmap = 'Greys'; vmin = 0; levels = 11
    if daname in ('qo3',): cmap = 'PRGn'
    figsize = 8,4
    fig,ax = plt.subplots(figsize=figsize)
    with xr.set_options(keep_attrs=True):
        da_ref = da_ctl.groupby('time.month').mean('time')
        if pct:
            daa = ( da_bc.groupby('time.month')/da_ref - 1) *100
            daa.attrs['units'] = '%'
        else:
            daa = da_bc.groupby('time.month') - da_ref
        da_ref = da_ref.sel(pfull=5, method='nearest')
        daa = daa.sel(pfull=5, method='nearest').isel(time=slice(0, nyears*12))
        pfull_final = daa.pfull.item()
    daa.plot.contourf(x='time', levels=levels, cmap=cmap, vmin=vmin, vmax=vmax, extend=extend)
    if daname in ('qo3',):
        ((daa*0).groupby('time.month') + da_ref).plot.contour(x='time', linewidths=0.5)

    title = f'{model} {funcname} {daname} anom: {expname.split("_tiger3")[0]}, {pfull_final:.3g}mb'
    ax.set_title(title)
    yticks2lat()
    #ax.set_xlabel('')

    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__{daname}_{funcname}_anom_{pfull}mb.png')
        if figodir is not None: 
            basename = os.path.basename(figname)
            figname = figname.replace(basename, os.path.join(figodir, basename))
        if pct: figname = figname.replace('_anom', '_pct')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
    tt.check(f'**Done**')
    print()
    if 'notshowfig' in sys.argv:
        pass
    else:
        plt.show()