#!/usr/bin/python

import sys
import os
import shutil
import net.Lliurex.Classroom.MovingProfiles


def print_usage():

	print("")
	print("Usage: llx-moving-cmd <command>")
	print("")
	print("Available commands:")
	print("load			loads profiles from server")
	print("save			save profiles to server")
	print("show			show rules")
	print("match			list matched files")
	print("test (load|save) 	performs a test without copying or deleting anything")
	print("purge (local|remote)	purges either local or remote sync files")
	print("backup NAME		creates a profile backup")
	print("help			print this help")
	

def main():

	ret=0

	if (len(sys.argv)<2):
		print_usage()
	else:
		if(sys.argv[1]=="load"):
			mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
			mp.LoadSession()
			
			
		elif(sys.argv[1]=="save"):
			mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
			mp.SaveSession()
			
		elif(sys.argv[1]=="show"):
			mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
			
			print("Include:")
			for name in mp.cfg["include"]:
				value=mp.cfg["include"][name]
				tab=" "*(32-len(name))
				print("* "+name+tab+"["+value+"]")
				
			print("")
			print("Exclude:")
			for name in mp.cfg["exclude"]:
				value=mp.cfg["exclude"][name]
				tab=" "*(32-len(name))
				print("* "+name+tab+"["+value+"]")
			
		elif(sys.argv[1]=="match"):	
			mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
			
			home=os.path.expanduser("~")
			
			print("Matched files:")
			
			for fname in os.listdir(home):
				if(mp.Match(fname)):
					print("->"+fname)
			
		elif(sys.argv[1]=="test" and len(sys.argv)>2):
			if(sys.argv[2]=="load"):
				mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
				home=os.path.expanduser("~")
				moving_path=mp.GetProfilePath()
				
				profile_files=os.listdir(moving_path)
				
				update_files=[]
				delete_files=[]
				append_files=[]
				
				for fname in os.listdir(home):
					if mp.Match(fname):
						if fname not in profile_files:
							delete_files.append(fname)
						else:
							update_files.append(fname)

				home_files=os.listdir(home)
			
				for fname in profile_files:
					if(mp.Match(fname)):
						if (not fname in home_files):
							append_files.append(fname)
					
							
				print("Local files updated:")
				
				for fname in update_files:
					print("->"+fname)
					
				print("Local files deleted:")
				
				for fname in delete_files:
					print("->"+fname)
				
				print("Local files appended:")

				for fname in append_files:
					print("->"+fname)				


			elif(sys.argv[2]=="save"):
				mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
				home=os.path.expanduser("~")
				moving_path=mp.GetProfilePath()
				
				home_files=os.listdir(home)
				
				update_files=[]
				delete_files=[]
				append_files=[]
				
				for fname in os.listdir(moving_path):
					if not fname in home_files:
						delete_files.append(fname)
					else:
						if(mp.Match(fname)):
							update_files.append(fname)
						else:
							delete_files.append(fname)

				profile_files=os.listdir(moving_path)
				for fname in home_files:
					if (mp.Match(fname)):
						if not fname in profile_files:
							append_files.append(fname)


				print("Remote files updated:")
				
				for fname in update_files:
					print("->"+fname)
					
				print("Remote files deleted:")
				
				for fname in delete_files:
					print("->"+fname)

				print("Remote files appended:")
				
				for fname in append_files:
					print("->"+fname)
				
				
			
			else:
				print_usage()
				
		elif(sys.argv[1]=="purge" and len(sys.argv)>2):
		
			if(sys.argv[2]=="local"):
				mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
				home=os.path.expanduser("~")
								
				print("Removing local files:")
			
				for fname in os.listdir(home):
					if(mp.Match(fname)):
						fpath = home+os.path.sep+fname
				
						print("-> "+fpath)				
				
						if(os.path.isdir(fpath)):
							shutil.rmtree(fpath)
				
						if(os.path.isfile(fpath)):
							os.remove(fpath)
		
				print("done")
			
			elif(sys.argv[2]=="remote"):
				mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
				moving_path=mp.GetProfilePath()
				
				profile_files=os.listdir(moving_path)

				print("Removing remote files:")
			
				for fname in profile_files:
					fpath = moving_path+os.path.sep+fname
				
					print("-> "+fpath)				
				
					if(os.path.isdir(fpath)):
						shutil.rmtree(fpath)
				
					if(os.path.isfile(fpath)):
						os.remove(fpath)
		
				print("done")
			
			else:
				print_usage()
		
		elif(sys.argv[1]=="backup" and len(sys.argv)>2):
			mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
			mp.Backup(sys.argv[2])	

		elif(sys.argv[1]=="help"):
			print_usage()
		else:
			print("Unknown command :"+sys.argv[1])
			print_usage()
			ret=1 #exit with error status
	
			
			
	sys.exit(ret)


if __name__=="__main__":
	main()