#!/usr/bin/env python

import sys
import tempfile
import os
import shutil

DEBUG=True


NOTEBOOK_PATH_ORIG="/opt/SMART Technologies/.store/smart-notebook/install/bash-path"
NOTEBOOK_PATH_LLIUREX="/opt/lliurex-smart/notebook-bash-path"

DRIVERS_PATH_ORIG="/opt/SMART Technologies/.store/smart-product-drivers/install/bash-path"
DRIVERS_PATH_LLIUREX="/opt/lliurex-smart/product-drivers-bash-path"

PROFILE="/etc/profile"
BASHRC="/etc/bash.bashrc"

class SmartFix:
	
	def __init__(self):

		self.fix_profile()
		self.fix_bashrc()

	#def init
	
	def dprint(self,data):
		
		if DEBUG:
			print("  [SmartFix] %s"%data)
		
	#def dprint
	
	def freplace(self,bad_str,good_str,filepath):
		
		found=False

		try:
		
			f=open(filepath)
			lines=f.readlines()
			f.close()
			
			found=False
			
			new_lines=[]
			for line in lines:
				if NOTEBOOK_PATH_ORIG in line:
					found=True
					line=line.replace(NOTEBOOK_PATH_ORIG,NOTEBOOK_PATH_LLIUREX)
					if line in new_lines:
						line=""
					
				if DRIVERS_PATH_ORIG in line:
					found=True
					line=line.replace(DRIVERS_PATH_ORIG,DRIVERS_PATH_LLIUREX)
					if line in new_lines:
						line=""
				
				if line!="":
					new_lines.append(line)
				
			if not found:
				return False
	
			self.dprint("Fixing %s ..."%filepath)
			
			tmp,tmp_path=tempfile.mkstemp()
			f = open(tmp_path,'w')
			f.writelines(new_lines)
			f.close()
			
			self.uchmod(tmp_path,0644)
			shutil.copy(tmp_path,filepath)
			os.remove(tmp_path)


			return True
			
		except Exception as e:
			self.dprint("[!] Error fixing %s: %s"%(filepath,e))

		return False
		
	#def fix_profile
	
	def fix_profile(self):
		
		self.freplace(NOTEBOOK_PATH_ORIG,NOTEBOOK_PATH_LLIUREX,PROFILE)
	
	def fix_bashrc(self):
		
		self.freplace(DRIVERS_PATH_ORIG,DRIVERS_PATH_LLIUREX,BASHRC)
		
	#def fix_bashrc
	
		
	def uchmod(self,filepath,mode):

		prevmask = os.umask(0)
		os.chmod(filepath,mode)
		os.umask(prevmask)
		
	#def uchmod
	
#class SmartFix


if __name__=="__main__":

	sf=SmartFix()