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

class RegistrationForm(FlaskForm):
    username = StringField("Username", validators=[DataRequired(), Length(min=3, max=64)])
    email = StringField("Email", validators=[DataRequired(), Email()])
    password = PasswordField("Password", validators=[DataRequired(), Length(min=8)])
    confirm_password = PasswordField(
        "Confirm Password", validators=[DataRequired(), EqualTo("password")]
    )
    submit = SubmitField("Create Account")

    def validate_username(self, username):
        if User.query.filter_by(username=username.data).first():
            raise ValidationError("That username is already taken.")

    def validate_email(self, email):
        if User.query.filter_by(email=email.data).first():
            raise ValidationError("That email is already registered.")

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