#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Tue Feb  7 14:27:44 EST 2023
if __name__ == '__main__':
    import sys,os
    from misc.timer import Timer
    tt = Timer(f'[{os.getcwd()}] 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 import get_kws_from_argv
#
if __name__ == '__main__':
    tt.check('end import')
#
#start from here
basin = 'global'
ws = 17
ws = get_kws_from_argv('ws', ws)
ws = int(ws)
long_name = f'{basin}TC{ws} plus2K'
models = ['AM2.5', 'HIRAM', 'AM2.5C360']
dss = []
for model in models:
    ifile = f'data/wyplot_dTC_{basin}{ws}{model}_{basin}{ws}{model}plus2K.nc' #wyplot_dTC_global17FLOR_global17FLORktc2.nc
    ds = xr.open_dataset(ifile)
    dss.append(ds)
ds = xr.concat(dss, dim=pd.Index(models, name='model'))

units = '%'
ds['dTC'] = ds['x1m_minus_x2m']/ds['x2m']*100
ds['dTC'].attrs['units'] = units
ds['dTCe'] = ds['err']/ds['x2m']*100
ds['dTCe'].attrs['units'] = units

df = ds['dTC'].to_pandas()
df_e = ds['dTCe'].to_pandas()
df_ref = ds['x2m'].to_pandas()
df_new = ds['x1m'].to_pandas()
 
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    n_models = ds.model.size
    colors = [f'C{ii}' for ii in range(n_models)]
    df.plot.bar(color=colors, rot=0, yerr=df_e, capsize=3)
    ax = plt.gca()
    for ii in range(n_models):
        ax.text(ii, df[ii], f'{df[ii]/100:.1%} $\pm$ {df_e[ii]/100:.1%}\n{df_ref[ii]:.1f}to{df_new[ii]:.1f}\n\n', ha='center', va='bottom')
    
    ax.axhline(0, color='gray', ls='--')
    ax.set_ylabel(units)
    ax.set_xlabel('')
    ax.set_title(long_name)
    #if ws==17: ax.set_ylim(-20,20)
    if ws==17: ax.set_ylim(-20,70)
    if ws==29: ax.set_ylim(-40,120)
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'_{basin}{ws}.png')
        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 or 'n' in sys.argv:
        pass
    else:
        if 'plt' in globals(): plt.show()