from flask_wtf import FlaskForm
from flask_wtf.file import FileField, FileAllowed
from flask_login import current_user
from wtforms import StringField, PasswordField, SubmitField, BooleanField, TextAreaField
from wtforms.validators import DataRequired, Length, Email, EqualTo, ValidationError
from minibase.models import User

class registrationForm(FlaskForm): 
    username = StringField('User Name', validators=[DataRequired(),Length(min = 3, max = 20)])
    email = StringField('Email', validators=[DataRequired(),Email()])
    password = PasswordField('Password', validators=[DataRequired()])
    password_confirm = PasswordField('Confirm Password', validators=[DataRequired(), EqualTo('password')])
    submit = SubmitField('Sing 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 another one')
    
    def validate_email(self, email):
        email = User.query.filter_by(email=email.data).first()
        if email: 
            raise ValidationError('That email is taken do you have an acocunt ?')

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

class updateAccountForm(FlaskForm): 
    username = StringField('User Name', 
                           validators=[DataRequired(),Length(min = 3, max = 20)])
    email = StringField('Email', 
                        validators=[DataRequired(),Email()])
    picture = FileField('Update Profile Picture', 
                        validators=[FileAllowed(['jpg','png'])])
    submit = SubmitField('Update') 
    
    def validate_username(self, username):
        if username.data != current_user.username:
            user = User.query.filter_by(username=username.data).first()
            if user: 
                raise ValidationError('That username is taken please choose another one')
    
    def validate_email(self, email):
        if email.data != current_user.email:
            email = User.query.filter_by(email=email.data).first()
            if email: 
                raise ValidationError('That email is taken do you have an acocunt ?')

class postForm(FlaskForm): 
    title = StringField('Title', validators=[DataRequired(),Length(min = 3, max = 100)])
    content = TextAreaField('Content', validators=[DataRequired()])
    submit = SubmitField('Post')