forms.py

from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField, SubmitField, TextAreaField
from wtforms.validators import DataRequired, Length, EqualTo
from flask_wtf.file import FileField, FileRequired

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

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

class UploadForm(FlaskForm):
    file = FileField('File', validators=[FileRequired()])
    submit = SubmitField('Upload')

class MessageForm(FlaskForm):
    content = TextAreaField('Message', validators=[DataRequired()])
    submit = SubmitField('Send')