from flask_login import current_user
from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, BooleanField, TextAreaField, SubmitField
from wtforms.fields.html5 import DateField
from wtforms.validators import ValidationError, DataRequired, Optional, Email, EqualTo
from app.models.users import Member

from wtforms.meta import DefaultMeta


# TODO: Put those validators into a specific file
def validate_username(self, username):
    member =  Member.query.filter_by(username=username.data).first()
    if member is not None:
        raise ValidationError('Pseudo indisponible.')

def validate_email(form, email):
    member = Member.query.filter_by(email=email.data).first()
    if member is not None:
        raise ValidationError('Adresse email déjà utilisée.')

def validate_password(form, password):
    if len(password.data) != 0 and len(password.data) < 10:
        raise ValidationError('Mot de passe est trop court (10 caractères minimum)')
        # TODO: add more rules >:]

def verify_authentication(form, old_password):
    if not current_user.check_password(old_password.data):
        raise ValidationError('Mot de passe erroné')

def login_form(f):
    pass

class LoginForm(FlaskForm):
    username = StringField('Pseudonyme :', validators=[DataRequired()])
    password = PasswordField('Mot de passe :', validators=[DataRequired()])
    remember_me = BooleanField('Se souvenir de moi :')
    submit = SubmitField('Connexion')


class RegistrationForm(FlaskForm):
    username = StringField('Pseudonyme :', validators=[DataRequired(), validate_username])
    email = StringField('Adresse Email :', validators=[DataRequired(), Email(), validate_email])
    password = PasswordField('Mot de passe', validators=[DataRequired(), validate_password])
    password2 = PasswordField('Répéter le mot de passe', validators=[DataRequired(), EqualTo('password')])
    guidelines = BooleanField('J’accepte les <a href="#">CGU</a>', validators=[DataRequired()])
    newsletter = BooleanField('Inscription à la newsletter', description='Un mail par trimestre environ, pour être prévenu des concours, évènements et nouveautés.')
    submit = SubmitField('S\'enregistrer')

class UpdateAccountForm(FlaskForm):
    email = StringField('Adresse Email :', validators=[Optional(), Email(), validate_email])
    password = PasswordField('Mot de passe :', validators=[Optional(), validate_password])
    password2 = PasswordField('Répéter le mot de passe', validators=[Optional(), EqualTo('password')])
    birthday = DateField('Anniversaire', validators=[Optional()])
    signature = TextAreaField('Signature', validators=[Optional()])
    biography = TextAreaField('Présentation', validators=[Optional()])
    newsletter = BooleanField('Inscription à la newsletter', description='Un mail par trimestre environ, pour être prévenu des concours, évènements et nouveautés.')
    old_password = PasswordField('Ancien mot de passe :', validators=[DataRequired(), verify_authentication])
    submit = SubmitField('Mettre à jour')