PYTHONBREAKPOINT = 0 #disallow breakpoints

import pdb
import re
import os
import sys
import platform
import inspect
import os.path

#Globals

HTTPHEADER = 'https://www.lutemusic.org/'
currOS = platform.platform()
if currOS.find('Windows') == 0:
    #LOCALBASE = 'C:/website/'
    LOCALBASE = 'A:/website/'
else:
    LOCALBASE = '/ssd/home/sarge/prog/python/fron/'
CURRDIR = re.sub('\\\\+', '/', os.getcwd()) + '/'
FACHEAD = LOCALBASE + "facsimiles/"

def join_with_fslash(s1, s2):
    return(s1 + '/' + s2)
# end join_with_fslash

# Walk the main directory tree:
def walk_tree(sDir):
    count = 0   # of image directories processed.
    sDir = sDir.replace("\\", '/')
    oldDir = ""
    for root, dirs, files in os.walk(sDir):
    #Only when changing root directories do we collect a list of image files
        root = root.replace("\\", '/')
        if root == oldDir:
            continue
        # Now we have a new "old directory"
        oldDir = root
        # Get a list of image files in this directory
        images = [f for f in files if f.endswith('.png')]
        if len(images) == 0:
            continue
        indexfile = root + '/' + 'dir.inx'
        # open file to write image array to
        finx = open(indexfile, 'w')
        for i in range(len(images)):
            line_out = HTTPHEADER + root.replace(LOCALBASE, '') + '/' + images[i] + '\n'
            finx.write(line_out)
        finx.close()
        count += 1
        # Process each image  file in the list.
        # end for fname in images
    # end if root != oldDir
    # After walking the directories.
    return count
# end walk_tree
def main():
    count = walk_tree(FACHEAD)
    print('We have created ' + str(count) + ' image indices.\n')
# end main
    
if __name__ ==  "__main__":
    main()