#
#     Sam Hadow - Huffman-py
#     Copyright (C) 2023
#
#     This program is free software: you can redistribute it and/or modify
#     it under the terms of the GNU General Public License as published by
#     the Free Software Foundation, either version 3 of the License, or
#     (at your option) any later version.
#
#     This program 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 General Public License for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

class Node(object):
        def __init__(self, occurrence, char, left = None, right = None):
            # nombre d'occurence de la lettre
            self.occurrence = occurrence

            # the character
            self.char = char

            # left child
            self.left = left

            # right child
            self.right = right

            # orientation from father (0: left, 1: right)
            self.code = ''

            # node identifier (unique in a tree)
            self.identifier = None


        # getters and setters (private attributes)

        def get_occurence(self):
            return self.__occurence
        def set_occurence(self, valeur):
            self.__occurence = valeur
        occurence = property(fget=get_occurence, fset=set_occurence, doc="Character occurences in a text")

        def get_char(self):
            return self.__char
        def set_char(self, valeur):
            self.__char = valeur
        char = property(fget=get_char, fset=set_char, doc="corresponding character")

        def get_left(self):
            return self.__left
        def set_left(self, valeur):
            self.__left = valeur
        left = property(fget=get_left, fset=set_left, doc="left child")

        def get_right(self):
            return self.__right
        def set_right(self, valeur):
            self.__right = valeur
        right = property(fget=get_right, fset=set_right, doc="right child")

        def get_code(self):
            return self.__code
        def set_code(self, valeur):
            self.__code = valeur
        code = property(fget=get_code, fset=set_code, doc="orientation from father (0: left, 1: right)")

        def get_id(self):
            return self.__identifier
        def set_id(self, valeur):
            self.__identifier = valeur
        identifier = property(fget=get_id, fset=set_id, doc="node identifier")