from wtforms import Form, StringField, TextAreaField, validators
from wtforms import IntegerField, PasswordField
from wtforms.validators import InputRequired, Length
from wtforms.widgets import HiddenInput

strip_filter = lambda x: x.strip() if x else None

class BlogCreateForm(Form):
    title = StringField('Titre', validators=[InputRequired(), Length(min=1, max=255)],
                        filters=[strip_filter])
    body = TextAreaField('Corps du texte', validators=[InputRequired(), Length(min=1)],
                         filters=[strip_filter])
    topic = StringField('Topic', validators=[InputRequired(), Length(min=1, max=255)],
                        filters=[strip_filter])
    tag = StringField('Tag', validators=[InputRequired(), Length(min=1, max=20)],
                        filters=[strip_filter])

class BlogUpdateForm(BlogCreateForm):
    id = IntegerField(widget=HiddenInput())


class UserCreateForm(Form):
    username = StringField('Nom', [validators.required(), validators.Length(min=1, max=255)],
                           filters=[strip_filter])
    password = PasswordField('Mot de passe', validators.required(), [validators.Length(min=6)])