#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Fri Jun 20 11:34:40 AM 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
year = 2024
ifiles_max = f'/projects/w/wenchang/data/era5/analysis_wy/2m_temperature_max/daily/era5.2m_temperature_max.daily.{year}-??.nc'
ifiles_min = f'/projects/w/wenchang/data/era5/analysis_wy/2m_temperature_min/daily/era5.2m_temperature_min.daily.{year}-??.nc'
latlons = dict(
    Chicago=(41.8781, 360-87.6298),
    Manaus=(-3.1190, 360-60.0217),
    )

#tmax
print('tmax...')
ds = xr.open_mfdataset(ifiles_max)
daname = list(ds.data_vars)[0]
print('load...')
da = ds[daname].load()
#chicago
print('Chicago...')
lat, lon = latlons['Chicago']
da_chicago_max = da.interp(latitude=lat, longitude=lon)
#manaus
print('Manaus...')
lat, lon = latlons['Manaus']
da_manaus_max = da.interp(latitude=lat, longitude=lon)

#tmin
print('tmin...')
ds = xr.open_mfdataset(ifiles_min)
daname = list(ds.data_vars)[0]
print('load...')
da = ds[daname].load()
#chicago
print('Chicago...')
lat, lon = latlons['Chicago']
da_chicago_min = da.interp(latitude=lat, longitude=lon)
#manaus
print('Manaus...')
lat, lon = latlons['Manaus']
da_manaus_min = da.interp(latitude=lat, longitude=lon)
 
def wyplot(ax=None, **kws):
    if ax is None:
        fig,ax = plt.subplots()
    func = lambda da: (da - 273.15).assign_attrs(units='degC')
    da_chicago_min.pipe(func).plot(label='Chicago Tmin', ax=ax)
    da_chicago_max.pipe(func).plot(label='Chicago Tmax', ax=ax)
    da_manaus_min.pipe(func).plot(label='Manaus Tmin', ax=ax)
    da_manaus_max.pipe(func).plot(label='Manaus Tmax', ax=ax)

    ax.legend()
    title = 'daily tasmax and tasmin of Chicago and Manaus'
    ax.set_title(title)
    ax.set_ylabel('degC')

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()