#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Wed Jun 26 15:58:42 EDT 2024
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 = get_kws_from_argv('daname', 'lake_frac')
daname = 'travel'
for itile in range(1,6+1):
    ofile = f'river_data.tile{itile}.nc'
    if os.path.exists(ofile) and 'od' not in sys.argv:
        print('[exists]:', ofile)
        continue
    #FLOR
    ifile = f'/tigress/wenchang/CM2.5_tiger2_wy/CM2.5/input_wy/input_for_FLOR/river_data.tile{itile}.nc'
    ds = xr.open_dataset(ifile)
    ds_flor = ds
    #HiRAM
    ifile = f'/tigress/wenchang/HIRAM/input/HIRAM.input_data/river_data.tile{itile}.nc'
    ds = xr.open_dataset(ifile)
    ds_hiram = ds

    #replace FLOR values with HiRAM values where both have valid values (non-NaN)
    da = ds_flor[daname].where((ds_flor[daname].isnull())|(ds_hiram[daname].isnull()), other=ds_hiram[daname])
    ds = ds_flor
    ds[daname] = da
    #save
    encoding = {dname: {'_FillValue': None, 'missing_value': -9999.0} for dname in list(ds.data_vars)}
    encoding['grid_x'] = {'_FillValue': None}
    encoding['grid_y'] = {'_FillValue': None}
    ds.to_netcdf(ofile, encoding=encoding)
    print('[saved]:', ofile)

 
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    fig,axes = plt.subplots(1, 3, figsize=(11,3))
    ax = axes[0]
    ds_hiram = xr.open_dataset('/tigress/wenchang/HIRAM/input/HIRAM.input_data/river_data.tile1.nc')
    ds_hiram[daname].plot(ax=ax)
    ax.set_title(f'HiRAM tile{itile}')

    ax = axes[1]
    ds_flor = xr.open_dataset('/tigress/wenchang/CM2.5_tiger2_wy/CM2.5/input_wy/input_for_FLOR/river_data.tile1.nc')
    ds_flor[daname].plot(ax=ax)
    ax.set_title(f'FLOR tile{itile}')

    ax = axes[2]
    ds = xr.open_dataset('river_data.tile1.nc')
    (ds[daname] - ds_hiram[daname]).plot(ax=ax)
    ax.set_title(f'FLOR_new $-$ HiRAM tile{itile}')

    for ax in axes:
        ax.set_xlabel('')
        ax.set_ylabel('')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__{daname}_tile{itile}.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()