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


class LoginForm(FlaskForm):
    username = StringField('Username',validators=[DataRequired()])
    password = StringField('Password',validators=[DataRequired()])
    submit = SubmitField('Login')




class RegisterForm(FlaskForm):
    username = StringField('Username',validators=[DataRequired()])
    email =StringField('Email',validators=[DataRequired(),Email()])
    password = PasswordField('Password',validators=[DataRequired()])
    password2 = PasswordField('Repeat Password',validators=[DataRequired(),EqualTo('password')])
    submit = SubmitField('Register')
    def validate_username(self,username):
        user = User.query.filter_by(username=username.data).first()
        if user is not None:
            raise ValidationError('Please use a defferent name.')

    def validate_email(self,email):
        user = User.query.filter_by(email=email.data).first()
        if user is not None:
            raise ValidationError('Please use a different email address.')