#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Sat Nov 23 09:35:24 EST 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
import salem
#
if __name__ == '__main__':
    try:
        tt.check('end import')
    except:
        pass
#
#start from here: data and functions
state = 'MD'
ifile = 'VIIRS-Land_v001_JP113C1_NOAA-20_20241116_c20241118153011.nc'
#read the data file
ds = xr.open_dataset(ifile)
da = ds.NDVI #get the data array
#read the shape file of united states
sh = salem.read_shapefile('cb_2016_us_state_5m/cb_2016_us_state_5m.shp')
state_shape = sh[sh.STUSPS==state] #state shape

#plot
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    from geoplots import mapplot
    fig, ax = plt.subplots()
    da.plot(cmap='BrBG', ax=ax, robust=True)
    mapplot(coastlines_color='none')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__01global.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
 
    # state shape
    fig, ax = plt.subplots()
    state_shape.plot(ax=ax)
    mapplot(coastlines_color='none')
    ax.set_title(state, loc='left')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__02{state}shape.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
 
    # state map
    fig, ax = plt.subplots(figsize=(7,3))
    da.salem.subset(shape=state_shape, margin=1).plot(cmap='BrBG', ax=ax)
    mapplot(coastlines_color='none')
    state_shape.boundary.plot(ax=ax, color='C1')
    ax.set_title(state, loc='right')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__03{state}data.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)

    # state data masked
    fig, ax = plt.subplots(figsize=(7,3))
    da.salem.subset(shape=state_shape, margin=1).salem.roi(shape=state_shape).plot(cmap='BrBG', ax=ax)
    mapplot(coastlines_color='none')
    state_shape.boundary.plot(ax=ax, color='C1')
    ax.set_title(state+ ' masked', loc='right')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'__04{state}dataMasked.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()
    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()