#!/usr/bin/env python
# -*- coding: UTF-8 -*-



from os.path import *
import os,sys

fileExtensions=set()
#fileExtensions.add("ppt")
#fileExtensions.add("doc")
#fileExtensions.add("xsl")
#fileExtensions.add("pdf")

def findFiles(allowedTypes=fileExtensions):
    for root, dirs, files in os.walk("./"):
        for f in files:
            for ext in fileExtensions:
                if (f.endswith(ext)):
                    yield (root+"/"+f)
                    break
            # Ok we proceed

class InternalCommand:
    def process(self,fname):
        print "Processing:",fname
    def getResult(self):
        return None

class printfilename(InternalCommand):
    def process(self,fname):
        print fname

class wc(InternalCommand):
    def __init__(self):
        self.lineCount=0
    def process(self,fname):
        self.lineCount=self.lineCount+len(file(fname,"r").readlines())
    def getResult(self):
        return str(self.lineCount)+" lines"
####Main
GLOBAL_COMMANDS=[]
if len(sys.argv)>1:
    for f in sys.argv[1:]:
        if f.startswith("-"):
            command=f[1:]
            print "Adding Command:",command
            #print eval(command+"()")
            GLOBAL_COMMANDS.append( eval(command+"()"))
        else:
            fileExtensions.add(f)   
    print "File Extensions:", " / ".join(fileExtensions)

counter=0
for fname in findFiles(fileExtensions):
    #print fname
    for commandClass in GLOBAL_COMMANDS:        
        commandClass.process(fname)
    counter=counter+1
    #if(counter % 101) == 0:
    #    print "\r Processing", counter
print "==============================================="
print "Total Files:",counter
for commandClass in GLOBAL_COMMANDS:
    r=commandClass.getResult()
    if r:
        print str(commandClass.__class__), str(r)
print "==============================================="