# Copyright (C) 2016-2022  CEA/DEN, EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#

class Logger(object):
    """
    Debug Info.
    """
    LOG_LEVEL = 1 # 0 means all, 1 means all but DEBUG, 2 means all but INFO and DEBUG, 3 only FATAL

    @classmethod
    def Debug(cls, msg):
        """
        Prints an information message to the standard output.
        
        :param msg: str -- The message to be printed.
        
        """
        if cls.LOG_LEVEL <= 0:
            cls.__log("[DEBUG]", msg)


    @classmethod
    def Info(cls, msg):
        """
        Prints an information message to the standard output.
        
        :param msg: str -- The message to be printed.
        
        """
        if cls.LOG_LEVEL <= 1:
            cls.__log("[INFO]", msg)

    
    @classmethod
    def Warning(cls, msg):
        """
        Prints a warning message to the standard output.
        
        :param msg: str -- The message to be printed.
        
        """
        if cls.LOG_LEVEL <= 2:
            cls.__log("[WARNING]", msg)
        
    
    @classmethod
    def FatalError(cls, msg):
        """
        Prints an error message to the standard output.
        
        :param msg: str -- The message to be printed.
        :raises: Exception.
        
        """
        if cls.LOG_LEVEL <= 3:
            cls.__log("[FATAL]", msg)
            raise Exception(msg)

    @classmethod
    def __log(cls, typ, msg):
        print("%s: %s" % (typ, msg))
      
def trQ(tag, context="CURVEPLOT"):
  """ @return a QString read from the translation file """
  from pyqtside.QtWidgets import QApplication 
  return QApplication.translate(context, tag) 

def trU(tag, context="CURVEPLOT"):
  """ @return same as above, but returns a Python unicode string.  """
  qs = trQ(tag, context)
  return str(qs, 'utf-8')

def toUnicodeWithWarning(s, method_name):
  try: 
    s = str(s)
  except:
    Logger.Warning("%s - warning, passing non-unicode, non-ASCII string '%s'! Trying to convert myself to UTF-8 ..." % (method_name, s))
    s = str(s, 'utf-8')
  return s

def completeResPath(fileName):
  import os
  subPath = "@SALOME_CURVEPLOT_INSTALL_PYTHON@"
  rd = os.environ.get("CURVEPLOT_ROOT_DIR", None)
  if rd is None:
    raise Exception("CURVEPLOT_ROOT_DIR is not defined!")
  if @SALOME_CURVEPLOT_TEST_MODE@:   # do not remove automatically modified in CMake config
    subPath = "@CRVPLOT_TEST_INSTALL@"
  filePath = os.path.join(rd, subPath, fileName)
  return filePath