from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, BooleanField, SubmitField
from wtforms.validators import DataRequired, Email, Length
from flask_babel import lazy_gettext as _l

class LoginForm(FlaskForm):
    email = StringField(_l('Email'), 
        validators=[
            DataRequired(),
            Email(),
            Length(max=120)
        ],
        filters=[lambda x: x.strip().lower() if x else '']
    )
    password = PasswordField(_l('Password'), validators=[DataRequired()])
    remember_me = BooleanField(_l('Remember me'))
    submit = SubmitField(_l('Sign In'))