#!/home/bfiedler/anaconda3/bin/python3
from datetime import datetime, timedelta # date and time helpers
import glob, os, sys
import janim2 # https://code.activestate.com/recipes/580675-makes-html-with-javascript-to-animate-a-sequence-o
def btime(ts, dhr=0):
    year=int( ts[:4] )
    month=int(ts[4:6])
    day=int(ts[6:8])
    hr=int(ts[8:])
    timex = datetime(year,month,day,hr) + timedelta(hours=dhr)
    timef=timex.strftime("%Y%m%d%H")
    return timef 
pngloc = '/home/bfiedler/play/grib/pngs/'
phdir='/var/www/html/'
pngdirs = glob.glob(pngloc+'*')
pngdirs.sort()
ldir=pngdirs[-1]
ltime=ldir.split('/')[-1]
pngl=[]
for n in range(20):
    h=n*12
    pf=f'f{h:03d}.png'
    pd=btime(ltime,dhr=-h)
    thepng='pngs/'+pd+'/'+pf
    lookpng=pngloc+pd+'/'+pf
    print(lookpng)
    if os.path.exists(lookpng):
        pngl.append(thepng)
print(pngl)
what="forecast<br>conver-<br>gence<br> animation<br><a href='CONinfo.html'>info</a><br>"
what+="""<br>
<!--#config timefmt="%Z now:"-->
<!--#echo var="DATE_LOCAL" --> <br>
<!--#config timefmt="%m %d %H:%M "-->
<!--#echo var="DATE_LOCAL" --> <br>
<!--#include virtual="cgi/visit.cgi?CON"-->
<br><br>"""

janim2.makeanim(pngl,outfile=phdir+"CONanimator.shtml",sortOrder=True,
ctlOnSide=True,titlestring="convergence animation",what=what)