#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Wed Oct 19 19:06:25 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 misc.modelout import get_modelout_data
from geoplots import mapplot
import geoxarray
#
if __name__ == '__main__':
    tt.check('end import')
#
#start from here
daname = 't_surf'
model = 'CM2.1p1'

years_ctl = range(101,201)
years = range(101,121)
exps = [('CTL', 'CTL1860_tigercpu_intelmpi_18_80PE'),
    ('+6% Solar', 'CTL1860_p6pctSolar_tigercpu_intelmpi_18_80PE'),
    ('-6% Solar', 'CTL1860_m6pctSolar_tigercpu_intelmpi_18_80PE'),
]

das = dict()
for label,expname in exps:
    if label=='CTL':
        das[label] = get_modelout_data(daname=daname, model=model, expname=expname, years=years_ctl)
    else:
        das[label] = get_modelout_data(daname=daname, model=model, expname=expname, years=years)
 
def wyplot(label='+6% Solar', transform=None, **kws):
    title = f'{label} {model} years {years[0]:04d}-{years[-1]:04d}'
    if transform is not None:
        title += f' {transform}'
    daa = das[label].groupby('time.year').mean('time') - das['CTL'].mean('time')
    if transform is not None:
        if transform == 'flip':
            daa = -daa
        elif transform == 'norm':
            daa_ref = daa.geo.fldmean()
            daa = daa/daa_ref
    levels = np.linspace(-4,4,17) if transform=='norm' else np.linspace(-16,16,33)
    daa.attrs['units'] = '' if transform == 'norm' else 'K' 
    g = daa.assign_attrs(long_name=title).plot.contourf(col='year', col_wrap=5, levels=levels, extend='both', figsize=(11,6), **kws)
    for ax in g.axes.flat:
        plt.sca(ax)
        mapplot(xticks=range(60,360,120), yticks=range(-60,90,30))
        ax.set_xlabel('')
        ax.set_ylabel('')
    return title
    
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    title = wyplot('+6% Solar')

    #savefig
    tag = '_' + title.replace('+6%', 'p6').replace('-6%', 'm6').replace(' ', '_')
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'{tag}.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)

    title = wyplot('-6% Solar')
    #savefig
    tag = '_' + title.replace('+6%', 'p6').replace('-6%', 'm6').replace(' ', '_')
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'{tag}.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)

    title = wyplot('-6% Solar', transform='flip')
    #savefig
    tag = '_' + title.replace('+6%', 'p6').replace('-6%', 'm6').replace(' ', '_')
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'{tag}.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
    #fig,ax = plt.subplots()
    #wyplot('+6% Solar', transform='norm')
    #fig,ax = plt.subplots()
    #wyplot('-6% Solar', transform='norm')
    
    tt.check(f'**Done**')
    print()
    if 'notshowfig' in sys.argv:
        pass
    else:
        plt.show()