from django.db import models

from django.contrib.auth.models import User

from ws_app.reg.models import Event

TOPICS_CHOICES = (('1', 'Very relevant'),

                  ('2', 'Relevant'),

                  ('3', 'Somewhat relevant'),

                  ('4', 'Not relevant'))

DEPTH_CHOICES = (('1', 'Too detailed'),

                 ('2', 'Detailed'),

                 ('3', 'Not enough detail'),

                 ('4', 'Poor detail'))

METHODOLOGY_CHOICES = (('1', 'Extremely effective'),

                       ('2', 'Effective'),

                       ('3', 'Not very effective'),

                       ('4', 'Ineffective'))

PACE_CHOICES = (('1', 'Too fast'),

                ('2', 'Fast'),

                ('3', 'Just right'),

                ('4', 'Slow'),

                ('5', 'Too slow'))

APPLICABILITY_CHOICES = (('1', 'I can use most of it immediately'),

                         ('2', 'I can use it somewhat immediately'),

                         ('3', 'I cannot use it immediately'),

                         ('4', 'I might never use it'))

PROBLEMS_CHOICES = (('1', 'Very intersting'),

                    ('2', 'Interesting'),

                    ('3', 'Somewhat interesting'),

                    ('4', 'Not interesting'))

EXERCISES_CHOICES = (('1', 'Very instructive'),

                     ('2', 'Instructive'),

                     ('3', 'Somewhat instructive'),

                     ('4', 'Not instructive'))

class Feedback(models.Model):

    """ A table to hold the feedbacks.

    """

    event = models.ForeignKey(Event, related_name="%(class)s")

    day = models.CharField(max_length=1, default='1')

    topics = models.CharField(max_length=1, choices=TOPICS_CHOICES,

                              verbose_name="Range of topics covered", blank=True)

    depth = models.CharField(max_length=1, choices=DEPTH_CHOICES, 

                             verbose_name="Depth of coverage", blank=True)

    methodology = models.CharField(max_length=1, choices=METHODOLOGY_CHOICES,

                                   verbose_name="Effectiveness of methodology", blank=True)

    pace = models.CharField(max_length=1, choices=PACE_CHOICES,

                            verbose_name="Pace of coverage", blank=True)

    applicability = models.CharField(max_length=1, choices=APPLICABILITY_CHOICES, blank=True)

    problems = models.CharField(max_length=1, choices=PROBLEMS_CHOICES,

                                verbose_name="Choice of problems", blank=True)

    exercises = models.CharField(max_length=1, choices=EXERCISES_CHOICES,

                                 verbose_name="Choice of exercises", blank=True)

    comments = models.TextField(verbose_name="General comments", blank=True)

    def __unicode__(self):

        return unicode(self.event.title)

class FeedLog(models.Model):

    """ A model to store the days for which a user had submitted feedback.

    """

    event = models.ForeignKey(Event)

    user = models.ForeignKey(User)

    day = models.CharField(max_length=1)