#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Mon Feb  3 10:51:22 AM EST 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
#daname = 'rv_o_h2o'
daname = 'LWS_lake'
daname = get_kws_from_argv('daname', daname)
PminusE = True if 'PminusE' in sys.argv else False
if PminusE: daname = 'precip'; print(daname)
noRivers = True if 'noRivers' in sys.argv else  False
model = 'HiRAM' if 'HiRAM' in sys.argv else 'FLOR'
"""
if daname in ('rv_o_h2o', 'precip', 'evap_land', 't_ref'):
    ifile = '/projects/w/wenchang/MODEL_OUT/FLOR/CTL1860_newdiag_tigercpu_intelmpi_18_576PE/POSTP_deflate1/00010101.land_month.nc'
elif noRivers:
    ifile = '/scratch/gpfs/GEOCLIM/wenchang/tiger3/FLOR/work/test_CTL1860_tiger3_intelmpi_24_1116PE_noRivers/POSTP/00010101.land_inst_month.nc'
elif model == 'HiRAM':
    ifile = '/scratch/gpfs/GEOCLIM/wenchang/tiger3/HIRAM/work/CTL1990s_v201910_tiger3_intelmpi_24_1440PE/POSTP/01010101.land_inst_month.nc'
else:
    ifile = '/projects/w/wenchang/MODEL_OUT/FLOR/CTL1860_newdiag_tigercpu_intelmpi_18_576PE/POSTP_deflate1/00010101.land_inst_month.nc'
"""
ifile = '/projects/w/wenchang/MODEL_OUT/FLOR/CTL1860_newdiag_tigercpu_intelmpi_18_576PE/POSTP/00010101.land_month.nc'
if model == 'HiRAM':
    ifile = ifile.replace('/projects/w/wenchang/MODEL_OUT/FLOR/CTL1860_newdiag_tigercpu_intelmpi_18_576PE',
        '/scratch/gpfs/GEOCLIM/wenchang/tiger3/HIRAM/work/CTL1990s_v201910_tiger3_intelmpi_24_1440PE') \
        .replace('0001', '0101')
elif noRivers:
    ifile = ifile.replace('/projects/w/wenchang/MODEL_OUT/FLOR/CTL1860_newdiag_tigercpu_intelmpi_18_576PE',
        '/scratch/gpfs/GEOCLIM/wenchang/tiger3/FLOR/work/test_CTL1860_tiger3_intelmpi_24_1116PE_noRivers')
try:
    ds = xr.open_dataset(ifile)
    da = ds[daname].rename(grid_xt='lon', grid_yt='lat')
except KeyError:
    ifile = ifile.replace('month', 'inst_month')
    ds = xr.open_dataset(ifile)
    da = ds[daname].rename(grid_xt='lon', grid_yt='lat')
    print('inst_month instead of month data are used')
print(ifile)
if PminusE:
    da = (da - ds['evap_land'].rename(grid_xt='lon', grid_yt='lat')).pipe(lambda x: x*24*3600).assign_attrs(units='mm/day', long_name='P - E')
elif daname in ('precip', 'evap_land'):
    da = (da * 24 *3600).assign_attrs(units='mm/day')
elif daname in ('t_ref',):
    da = (da - 273.15).assign_attrs(units='degC')
 
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    from geoplots import mapplot
    if daname == 'rv_o_h2o':
        g = da.plot(col='time', col_wrap=4, vmax=0.05, extend='both')
    elif PminusE:
        cmap = 'BrBG'
        g = da.sel(lon=slice(10,40), lat=slice(-10,10)).plot(col='time', col_wrap=4, cmap=cmap, vmax=10, extend='both')
    elif daname in ('precip', 'evap_land'):
        cmap = 'YlGnBu' if daname in ('precip',) else 'BrBG_r'
        g = da.sel(lon=slice(10,40), lat=slice(-10,10)).plot(col='time', col_wrap=4, cmap=cmap)#, vmax=1e5)#, extend='both')
    elif daname in ('t_ref',):
        cmap = None
        g = da.sel(lon=slice(10,40), lat=slice(-10,10)).plot(col='time', col_wrap=4, cmap=cmap)#, vmax=1e5)#, extend='both')
    else:
        g = da.sel(lon=slice(10,40), lat=slice(-10,10)).plot(col='time', col_wrap=4, vmax=1e5)#, extend='both')
    for ax in g.axes.flat:
        plt.sca(ax)
        if daname != 'rv_o_h2o': mapplot()
        ax.set_xlabel('')
        ax.set_ylabel('')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__{daname}.png')
        if noRivers: figname = figname.replace('.png', '_noRivers.png')
        if model == 'HiRAM': figname = figname.replace('.png', '_HiRAM.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()