#!/usr/bin/python3
# -*- coding: utf-8 -*-

from flask.ext.wtf import Form
from wtforms import StringField, PasswordField, BooleanField, SubmitField
from wtforms.validators import Required, Length, Email, Regexp, EqualTo
from wtforms import ValidationError


class LoginForm(Form):
    username = StringField('Username', validators=[Required(), Length(1, 64)])
    password = PasswordField('Password', validators=[Required()])
    #remember_me = BooleanField('Keep me logged in')
    submit = SubmitField('Log In')
    #logout = SubmitField('Log Out')

class RegisterForm(Form):
    studentid = StringField('Student ID', validators=[Required(), Length(6, 10)])
    password = PasswordField('Password', validators=[Required(), Length(6, 32)])
    submit = SubmitField("Sign up")


class ChangePasswordForm(Form):
    old_password = PasswordField('Old password', validators=[Required()])
    password = PasswordField('New password', validators=[
        Required(), EqualTo('password2', message='Passwords must match'), Length(6, 32)])
    password2 = PasswordField('Confirm new password', validators=[Required()])
    submit = SubmitField('Update Password')


class PasswordResetRequestForm(Form):
    email = StringField('Email', validators=[Required(), Length(1, 64),
                                             Email()])
    submit = SubmitField('Reset Password')


class PasswordResetForm(Form):
    email = StringField('Email', validators=[Required(), Length(1, 64),
                                             Email()])
    password = PasswordField('New Password', validators=[
        Required(), EqualTo('password2', message='Passwords must match')])
    password2 = PasswordField('Confirm password', validators=[Required()])
    submit = SubmitField('Reset Password')

    def validate_email(self, field):
        if User.query.filter_by(email=field.data).first() is None:
            raise ValidationError('Unknown email address.')


class ChangeEmailForm(Form):
    email = StringField('New Email', validators=[Required(), Length(1, 64),
                                                 Email()])
    password = PasswordField('Password', validators=[Required()])
    submit = SubmitField('Update Email Address')

    def validate_email(self, field):
        if User.query.filter_by(email=field.data).first():
            raise ValidationError('Email already registered.')
