#!/home/bfiedler/anaconda3/bin/python3
# 2025 January 12
import glob, os, sys
import numpy as np
import janim2
usage="usage: %prog pngdir htmlout [options]"
from optparse import OptionParser
parser = OptionParser(usage=usage, version="%prog 0.1")
parser.add_option("-l", action="store_true", dest="latest")
(opt,args)=parser.parse_args()
if len(args)<2: sys.exit(print(usage))
pngdir=args[0]
htmlfile=args[1]

if opt.latest:
    print("look for latest time: "+pngdir)
    pngdirs=glob.glob(pngdir+'/*')
    pngdirs.sort()
    pngdir=pngdirs[-1]


pngfiles=glob.glob(pngdir+'/*.png')
pngfiles.sort()
print(pngfiles)

what="GFS<br>forecasts<br><a href='GFSinfo.html'>info</a><br>"
what+="""
<br>
<!--#config timefmt="%m %d %H:%M "-->
modified: <!--#flastmod virtual="GFSanimator.shtml" -->
<br>
<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?GFS"-->
<br><br>"""

allpngs=pngfiles
pngsfixed = [x.replace('\\','/') for x in allpngs] # fixes Windows
janim2.makeanim(pngsfixed,outfile=htmlfile,
sortOrder=True,ctlOnSide=True,titlestring="GFS animation",what=what)