from os import environ
from otree.api import (
    models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer,
)

class Constants(BaseConstants):
    name_in_url = 'questionnaire'
    players_per_group = None
    num_rounds = 1
    timeout = 300
    comment_min_chars = 15
    comment_max_chars = 3000


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    liked_theme = models.LongStringField(
        max_length=Constants.comment_max_chars,
        blank=False,
        label='What led your choice of playing one theme or the other?'
    )
    comments = models.LongStringField(
        max_length=Constants.comment_max_chars,
        blank=False,
        label="What information do you remember receiving about other players?"
    )

    def comments_error_message(self, value):
        return self.long_string_input_error_message(value)

    def liked_theme_error_message(self, value):
        return self.long_string_input_error_message(value)

    def long_string_input_error_message(self, value):
        if len(value) < Constants.comment_min_chars:
            return 'Your answer should be at least ' + str(Constants.comment_min_chars) + ' characters long'
        if len(value) > Constants.comment_max_chars:
            return 'Your answer should be at most ' + str(Constants.comment_max_chars) + ' characters long'