#! /usr/bin/env python
# -*- coding: utf-8 -*-

# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2013  Cédric Bonhomme - https://www.cedricbonhomme.org
#
# For more information : http://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>

__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.2 $"
__date__ = "$Date: 2013/11/05 $"
__revision__ = "$Date: 2013/13/05 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "GPLv3"

from flask import flash
from flask.ext.wtf import Form
from flask.ext.babel import lazy_gettext
from wtforms import TextField, TextAreaField, PasswordField, BooleanField, SubmitField, validators
from flask.ext.wtf.html5 import EmailField
from flask_wtf import RecaptchaField

from pyaggr3g470r.models import User

class SignupForm(Form):
    nickname = TextField(lazy_gettext("Nickname"), [validators.Required(lazy_gettext("Please enter your nickname."))])
    email = EmailField(lazy_gettext("Email"), [validators.Length(min=6, max=35), validators.Required(lazy_gettext("Please enter your email address."))])
    password = PasswordField(lazy_gettext("Password"), [validators.Required(lazy_gettext("Please enter a password.")), validators.Length(min=6, max=100)])
    recaptcha = RecaptchaField()
    submit = SubmitField(lazy_gettext("Sign up"))

    def __init__(self, *args, **kwargs):
        Form.__init__(self, *args, **kwargs)

    def validate(self):
        if not Form.validate(self):
            return False
        if self.nickname.data != User.make_valid_nickname(self.nickname.data):
            self.nickname.errors.append(lazy_gettext('This nickname has invalid characters. Please use letters, numbers, dots and underscores only.'))
            return False
        return True

class SigninForm(Form):
    """
    Sign in form.
    """
    email = EmailField("Email", [validators.Length(min=6, max=35), validators.Required(lazy_gettext("Please enter your email address."))])
    password = PasswordField(lazy_gettext('Password'), [validators.Required(lazy_gettext("Please enter a password.")), validators.Length(min=6, max=100)])
    submit = SubmitField(lazy_gettext("Log In"))

    def __init__(self, *args, **kwargs):
        Form.__init__(self, *args, **kwargs)

    def validate(self):
        if not Form.validate(self):
            return False

        user = User.query.filter(User.email == self.email.data).first()
        if user and user.check_password(self.password.data) and user.activation_key == "":
            return True
        elif user and user.activation_key != "":
            flash(lazy_gettext('Account not confirmed'), 'danger')
            return False
        else:
            flash(lazy_gettext('Invalid email or password'), 'danger')
            #self.email.errors.append("Invalid email or password")
            return False

class AddFeedForm(Form):
    title = TextField(lazy_gettext("Title"), [validators.Optional()])
    link = TextField(lazy_gettext("Feed link"), [validators.Optional()])
    site_link = TextField(lazy_gettext("Site link"))
    email_notification = BooleanField(lazy_gettext("Email notification"), default=False)
    enabled = BooleanField(lazy_gettext("Check for updates"), default=True)
    submit = SubmitField(lazy_gettext("Save"))

    def __init__(self, *args, **kwargs):
        Form.__init__(self, *args, **kwargs)

    def validate(self):
        if not Form.validate(self):
            return False
        return True

class ProfileForm(Form):
    nickname = TextField(lazy_gettext("Nickname"), [validators.Required(lazy_gettext("Please enter your nickname."))])
    email = EmailField(lazy_gettext("Email"), [validators.Length(min=6, max=35), validators.Required(lazy_gettext("Please enter your email."))])
    password = PasswordField(lazy_gettext("Password"))
    submit = SubmitField(lazy_gettext("Save"))

    def __init__(self, *args, **kwargs):
        Form.__init__(self, *args, **kwargs)

    def validate(self):
        if not Form.validate(self):
            return False
        if self.nickname.data != User.make_valid_nickname(self.nickname.data):
            self.nickname.errors.append(lazy_gettext('This nickname has invalid characters. Please use letters, numbers, dots and underscores only.'))
            return False
        return True

class InformationMessageForm(Form):
    subject = TextField(lazy_gettext("Subject"), [validators.Required(lazy_gettext("Please enter a subject."))])
    message = TextAreaField(lazy_gettext("Message"), [validators.Required(lazy_gettext("Please enter a content."))])
    submit = SubmitField(lazy_gettext("Send"))

class RecoverPasswordForm(Form):
    email = EmailField(lazy_gettext("Email"), [validators.Length(min=6, max=35), validators.Required(lazy_gettext("Please enter your email address."))])
    submit = SubmitField(lazy_gettext("Recover"))

    def __init__(self, *args, **kwargs):
        Form.__init__(self, *args, **kwargs)

    def validate(self):
        if not Form.validate(self):
            return False

        user = User.query.filter(User.email == self.email.data).first()
        if user and user.activation_key == "":
            return True
        elif user and user.activation_key != "":
            flash(lazy_gettext('Account not confirmed.'), 'danger')
            return False
        else:
            flash(lazy_gettext('Invalid email.'), 'danger')
            #self.email.errors.append("Invalid email")
            return False