#!/usr/bin/env python
# Last modified:  Time-stamp: <2008-05-12 14:59:00 haines>
"""bogue_dspec_plot"""

import os, sys
import datetime, time, dateutil, dateutil.tz
import pycdf
import numpy

sys.path.append('/home/haines/nccoos/raw2proc')
del(sys)

import procutil

def which_to_plot(odir, ncfn):
    """which_to_plot finds which timestamp in netCDF data file
    (ncfn) does not have a corresponding directional spectrum plot png
    in output dir (odir) """

    nc = pycdf.CDF(ncFile1)
    # nc = pycdf.CDFMF((ncFile1, ncFile2))
    ncvars = nc.variables()
    # print ncvars
    es = nc.var('time')[:]
    units = nc.var('time').units
    dt = [procutil.es2dt(e) for e in es]
    dts = [d.strftime('%Y_%m_%d_%H%M') for d in dt]
    # list all pngs
    import glob
    gs = os.path.join(odir, '*.png')
    all_pngs = glob.glob(gs)
    ap = ''.join(all_pngs)
    # find index of dts not in all_pngs
    j_seq = [j for j in range(len(dts)) if ap.find(dts[j]) != -1]
    # return index values to plot (j)
    return j_seq
    

prev_month, this_month, next_month = procutil.find_months(procutil.this_month())
# ncFile1='/home/haines/test_data/nccoos/level1/bogue/adcpwaves/bogue_adcpwaves_2008_03.nc'
# ncFile2='/seacoos/data/nccoos/level1/bogue/adcpwaves/bogue_adcpwaves_2008_03.nc'
# ncFile1='/seacoos/data/nccoos/level1/bogue/adcpwaves/bogue_adcpwaves_'+prev_month.strftime('%Y_%m')+'.nc'
ncFile1='/seacoos/data/nccoos/level1/bogue/adcpwaves/bogue_adcpwaves_'+this_month.strftime('%Y_%m')+'.nc'
odir = os.path.join('/seacoos/data/nccoos/level3/bogue/adcpwaves/dspec', this_month.strftime('%Y_%m'))
if not os.path.exists(odir):
    os.mkdir(odir)

# j_seq = which_index_to_plot(odir, ncFile1)
# print j_seq