#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vim:fenc=utf-8
#
# Copyright © 2017 lafrite <lafrite@Poivre>
#
# Distributed under terms of the MIT license.

"""
POV tools on term
"""

from notes_tools.tools.marks_plottings import (pie_pivot_table,
        parallel_on,
        radar_on,
        )

__all__ = ["Student", "Classe"]

class Student(object):

    """ 
    Informations on a student which can be use inside template.
    
    Those informations should not be modify or use for compute analysis otherwise they won't be spread over other POV.
    """

    def __init__(self, quest_df, exo_df, eval_df):
        """ 
        Description of a student from quest, exo and eval

        """
        if len(quest_df["Eleve"].unique()) != 1:
            raise ValueError("Can't initiate Student: quest_df contains different student names")
        elif len(exo_df["Eleve"].unique()) != 1:
            raise ValueError("Can't initiate Student: exo_df contains different student names")
        elif len(eval_df["Eleve"].unique()) != 1:
            raise ValueError("Can't initiate Student: eval_df contains different student names")
        elif quest_df["Eleve"].iloc[0] != exo_df["Eleve"].iloc[0] or \
                quest_df["Eleve"].iloc[0] != eval_df["Eleve"].iloc[0]:
            raise ValueError("Can't initiate Student: dfs contains different student names")

        self.name = quest_df["Eleve"].iloc[0]

        self.quest_df = quest_df
        self.exo_df = exo_df
        self.eval_df = eval_df

    @property
    def marks_tabular(self):
        """ Latex tabular with all of his marks of the term """
        try:
            self._marks_tabular
        except AttributeError:
            self._marks_tabular = self.eval_df[["Nom", "Mark", "Bareme"]].to_latex()
        return self._marks_tabular

    @property
    def pies_on_competence(self):
        """ Pies chart on competences """
        try:
            self._pies_on_competence
        except AttributeError:
            self._pies_on_competence = pie_pivot_table(self.quest_df,
                    index = "Level",
                    columns = "Competence",
                    values = "Eleve",
                    aggfunc = len,
                    fill_value = 0,
                    )
        return self._pies_on_competence

    @property
    def pies_on_domaine(self):
        """ Pies chart on domaines """
        try:
            self._pies_on_domaine
        except AttributeError:
            self._pies_on_domaine = pie_pivot_table(self.quest_df,
                    index = "Level",
                    columns = "Domaine",
                    values = "Eleve",
                    aggfunc = len,
                    fill_value = 0,
                    )
        return self._pies_on_domaine

    @property
    def radar_on_competence(self):
        """ Radar plot on competence """
        try:
            self._radar_on_competence
        except AttributeError:
            self._radar_on_competence = radar_on(self.quest_df,
                    "Competence")
        return self._radar_on_competence

    @property
    def radar_on_domaine(self):
        """ Radar plot on domaine """
        try:
            self._radar_on_domaine
        except AttributeError:
            self._radar_on_domaine = radar_on(self.quest_df,
                    "Domaine")
        return self._radar_on_domaine


    def parallel_on_evals(self, classe_evals):
        """ Parallel coordinate plot of the class with student line highlight """
        return parallel_on(classe_evals, "Nom", self.name)

class Classe(object):

    """Docstring for Classe. """

    def __init__(self):
        """TODO: to be defined1. """
        pass
        
        




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