#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Wed Apr  9 01:50:48 PM 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
ifile = 'tracks.hurdat2.1851-2024.nc'
ds = xr.open_dataset(ifile)
#all storms (ST)
ofile = ifile.replace('tracks', 'nST')
if os.path.exists(ofile) and 'od' not in sys.argv:
    nST = xr.open_dataarray(ofile)
    print('[loaded]:', ofile)
else:
    L = ds.lat.count('stage')>0 #any storm that has valid track points
    nST = L.sum('storm')
    nST.to_dataset(name='nST').to_netcdf(ofile)
    print('[saved]:', ofile)

#named storms (NM)
ofile = ifile.replace('tracks', 'nNM')
if os.path.exists(ofile) and 'od' not in sys.argv:
    nNM = xr.open_dataarray(ofile)
    print('[loaded]:', ofile)
else:
    L = ~ds.stormName.isin(['UNNAMED', '']) #any storm that has a valid name
    nNM = L.sum('storm')
    nNM.to_dataset(name='nNM').to_netcdf(ofile)
    print('[saved]:', ofile)

#TS
ofile = ifile.replace('tracks', 'nTS')
if os.path.exists(ofile) and 'od' not in sys.argv:
    nTS = xr.open_dataarray(ofile)
    print('[loaded]:', ofile)
else:
    L1 = ds.stormStatus.isin(['TS', 'HU']).any('stage') # any storm that has track points of status TS or HU
    #L2 = (ds.windmax>=17).any('stage')
    nTS = L1.sum('storm')
    nTS.to_dataset(name='nTS').to_netcdf(ofile)
    print('[saved]:', ofile)

#TS plus: TS with wind max > 17m/s for at least 2 days
ofile = ifile.replace('tracks', 'nTSplus')
if os.path.exists(ofile) and 'od1' not in sys.argv:
    nTSplus = xr.open_dataarray(ofile)
    print('[loaded]:', ofile)
else:
    L1 = ds.stormStatus.isin(['TS', 'HU']).any('stage') # any storm that has track points of status TS or HU
    L2 = (ds.windmax>17).sum('stage') > 8 #
    nTSplus = (L1 & L2).sum('storm')
    nTSplus.to_dataset(name='nTSplus').to_netcdf(ofile)
    print('[saved]:', ofile)

#HU
ofile = ifile.replace('tracks', 'nHU')
if os.path.exists(ofile) and 'od' not in sys.argv:
    nHU = xr.open_dataarray(ofile)
    print('[loaded]:', ofile)
else:
    L1 = ds.stormStatus=='HU' #any storm that has track points of status HU
    #L2 = ds.windmax_knot>=64
    nHU = L1.any('stage').sum('storm')
    nHU.to_dataset(name='nHU').to_netcdf(ofile)
    print('[saved]:', ofile)
 
#MH
ofile = ifile.replace('tracks', 'nMH')
if os.path.exists(ofile) and 'od' not in sys.argv:
    nMH = xr.open_dataarray(ofile)
    print('[loaded]:', ofile)
else:
    L1 = ds.stormStatus=='HU' #any storm that has track points of status TS or HU
    L2 = ds.windmax_knot>96 #any storm that has track points of windmax_knot > 96
    nMH = (L1 & L2).any('stage').sum('storm')
    nMH.to_dataset(name='nMH').to_netcdf(ofile)
    print('[saved]:', ofile)

if __name__ == '__main__':
    from wyconfig import * #my plot settings
    if 'long' in sys.argv:
        yearslice = slice(1851, 2024)
    else:
        yearslice = slice(1980, 2024)
    if yearslice is not None:
        nST = nST.sel(year=yearslice)
        nNM = nNM.sel(year=yearslice)
        nTS = nTS.sel(year=yearslice)
        nTSplus = nTSplus.sel(year=yearslice)
        nHU = nHU.sel(year=yearslice)
        nMH = nMH.sel(year=yearslice)
    fig, ax = plt.subplots(figsize=(8,4))
    marker = 'o' if yearslice.start==1980 else None
    marker_namedStorm = '^' if yearslice.start==1980 else None
    nST.plot(label='all storms', marker=marker, fillstyle='none')
    if 'long' not in sys.argv: nNM.plot(label='named storms', marker=marker_namedStorm, fillstyle='none')
    nTS.plot(label='TS', marker=marker, fillstyle='none')
    if 'long' not in sys.argv: nTSplus.plot(label='TS2days17', marker=marker_namedStorm, fillstyle='none')
    nHU.plot(label='HU', marker=marker, fillstyle='none')
    nMH.plot(label='MH', marker=marker, fillstyle='none')

    ax.legend(loc='upper left')
    ax.set_title('HURDAT2 storms')
    ax.set_ylabel('#')
    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'.png')
        if yearslice is not None: figname = figname.replace('.png', f'__{yearslice.start}-{yearslice.stop}.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()