from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, BooleanField, SubmitField
from wtforms.validators import DataRequired, Email, Length, EqualTo, ValidationError
from reorder.models import User


class RegistrationForm(FlaskForm):
    username = StringField("Username", validators=[DataRequired(), Length(min=2, max=20)])
    email = StringField("Email", validators=[DataRequired(), Email()])
    password = PasswordField("Password", validators=[DataRequired()])
    confirm_password = PasswordField("Confirm Password",
                                     validators=[DataRequired(), EqualTo('password')])
    submit = SubmitField("Sign Up")

    def validate_username(self, username):
        user = User.query.filter_by(username=username.data).first()
        if user:
            raise ValidationError("That username is taken. Please choose a different one.")

    def validate_email(self, email):
        user = User.query.filter_by(email=email.data).first()
        if user:
            raise ValidationError("That email is taken. Please choose a different one.")


class LoginForm(FlaskForm):
    email = StringField("Email", validators=[DataRequired(), Email()])
    password = PasswordField("Password", validators=[DataRequired()])
    remember = BooleanField("Remember Me")
    submit = SubmitField("Login")
