#
# The idea of this script is to compare the content of two recovered folders
#
# We currently compare:
#
#  - name
#  - size
#
# note: we only compare files
#
import sys, os

f_recursive = True

if len(sys.argv) < 2:
    print "usage: python compare_versions.py <oldest_folder> <newest_folder>"
    sys.exit(0)

folder_0 = sys.argv[1]
folder_1 = sys.argv[2]

def analize_folders(folder_0, folder_1):

    res = []

    for f in [folder_0, folder_1]:
        a = {}
        lst = os.listdir(f)
        for i in lst:
            t = os.path.join(f,i)
            if os.path.isfile(t):
                a[i] = os.path.getsize(t)
            elif os.path.isdir(t) and f_recursive and f != folder_1:
                print 'subfolder... ' + os.path.join(folder_0,i)
                # we only go to subfolders if they exist
                if os.path.exists( os.path.join(folder_1,i) ):
                    analize_folders( os.path.join(folder_0,i), os.path.join(folder_1,i) )
                else:
                    print "folder %s does not exist in %s" % (i, folder_1)
        res.append(a)

    for n,s in res[0].items():
        if n in res[1].keys():
            if s != res[1][n]:
                print "%s file size does not match" % (n)
        else:
            print "%s does not exist in folder %s" % (n, folder_1)

analize_folders(folder_0, folder_1)