#!/usr/bin/python3

import net.Lliurex.Classroom.MovingProfiles

import sys
import os
import shutil
import logging

logging.basicConfig(format='%(levelname)s %(funcName)s %(message)s',level=logging.INFO)


def printUsage():

	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():

	try:

		if (len(sys.argv)<2):
			printUsage()
		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:
					printUsage()
					
			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("~")
									
					logging.info("Removing local files:")
				
					for fname in os.listdir(home):
						if(mp.Match(fname)):
							fpath = home+os.path.sep+fname
					
							logging.info("-> "+fpath)
					
							if(os.path.isdir(fpath)):
								shutil.rmtree(fpath)
					
							if(os.path.isfile(fpath)):
								os.remove(fpath)
			
					logging.info("done")
				
				elif(sys.argv[2]=="remote"):
					mp = net.Lliurex.Classroom.MovingProfiles.MovingProfiles("")
					moving_path=mp.GetProfilePath()
					
					profile_files=os.listdir(moving_path)

					logging.info("Removing remote files:")
				
					for fname in profile_files:
						fpath = moving_path+os.path.sep+fname
					
						logging.info("-> "+fpath)
					
						if(os.path.isdir(fpath)):
							shutil.rmtree(fpath)
					
						if(os.path.isfile(fpath)):
							os.remove(fpath)
			
					logging.info("done")
				
				else:
					printUsage()
			
			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"):
				printUsage()
			else:
				logging.warning("Unknown command :"+sys.argv[1])
	
	except Exception as ex:
		logging.exception(ex)
		#exit gracefully even when something goes bad
		sys.exit(0)
	
	
	sys.exit(0)


if __name__=="__main__":
	main()