#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Pyromaths
# Un programme en Python qui permet de créer des fiches d'exercices types de
# mathématiques niveau collège ainsi que leur corrigé en LaTeX.
# Copyright (C) 2006 -- Jérôme Ortais (jerome.ortais@pyromaths.org)
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#

import random


def valeurs_diviseurs():
    diviseurs = [2, 3, 5, 9, 10]
    liste = []
    for i in range(5):
        liste.append(diviseurs.pop(random.randrange(len(diviseurs))) *
                     random.randrange(11, 100))
    return liste


def liste_diviseurs(l):
    diviseurs = (2, 3, 5, 9, 10)
    reponse = []
    reponse_quiz = []
    for i in range(len(l)):
        reponse.extend([[l[i]]])
        reponse_quiz.extend([[l[i]]])
        for j in range(len(diviseurs)):
            if l[i] % diviseurs[j]:  # n'est pas divisible
                reponse[i].append("$\\Square$")
                reponse_quiz[i].append("")
            else:
                reponse[i].append("$\\CheckedBox$")
                reponse_quiz[i].append(str(diviseurs[j]))
    return reponse, reponse_quiz, diviseurs


def Divisible():
    l = valeurs_diviseurs()
    reponse = liste_diviseurs(l)[0]
    reponse_quiz = liste_diviseurs(l)[1]
    diviseurs = liste_diviseurs(l)[2]
    n_div = len(diviseurs)

    exo = ["\\exercice", _(u'Cocher les bonnes réponses :\\par')]
    cor = ["\\exercice*", _(u'Cocher les bonnes réponses :\\par')]
    quiz = [u"multichoice"]

    exo.append(_(u"\\begin{tabular}{c@{ est divisible : \kern1cm}r@{ par 2\\kern1cm}r@{ par 3\\kern1cm}r@{ par 5\\kern1cm}r@{ par 9\\kern1cm}r@{ par 10}}"))
    cor.append(_(u"\\begin{tabular}{c@{ est divisible : \kern1cm}r@{ par 2\\kern1cm}r@{ par 3\\kern1cm}r@{ par 5\\kern1cm}r@{ par 9\\kern1cm}r@{ par 10}}"))
    for i in range(len(l)):
        quiz_cor = []
        exo.append("%s & $\\square$ & $\\square$ & $\\square$ & $\\square$ & $\\square$ \\\\" %
                 l[i])
        cor.append("%s & %s & %s & %s & %s & %s \\\\" % tuple(reponse[i]))
        quiz_nom = _(u'Divisible entre 2, 3, 5, 9, 10')
        quiz_exo = (_(u"Marque l'ou les guichets lesquels soient diviseurs de $$%s$$") % l[i])
        n_div_i = n_div - reponse_quiz[i].count('')
        for j in range(n_div):
            if str(diviseurs[j]) == reponse_quiz[i][j+1]:
                quiz_cor.append([100.0/n_div_i, '$$'+str(diviseurs[j])+'$$'])
            else:
                quiz_cor.append([0, '$$'+str(diviseurs[j])+'$$'])
        quiz.append([quiz_nom, quiz_exo, quiz_cor])
    exo.append("\\end{tabular}")
    cor.append("\\end{tabular}")
    return (exo, cor, quiz)