''' Resources (sub) package, used to connect URLs to views '''

import deform

from pyramid.security import Allow, Everyone, DENY_ALL

from ordr.models.account import Token, TokenSubject
from ordr.schemas.account import RegistrationSchema, ResetPasswordSchema

from .helpers import BaseChildResource


class RegistrationTokenResource(BaseChildResource):
    ''' Resource for vaildating a new registered user's email

    :param pyramid.request.Request request: the current request object
    :param str name: the name of the resource
    :param parent: the parent resouce
    '''
    
    nav_active = 'registration'
    
    def __acl__(self):
        ''' access controll list for the resource '''
        return [(Allow, Everyone, 'view'), DENY_ALL]


class RegistrationResource(BaseChildResource):
    ''' The resource for new user registration

    :param pyramid.request.Request request: the current request object
    :param str name: the name of the resource
    :param parent: the parent resouce
    '''
    
    nav_active = 'registration'

    def __acl__(self):
        ''' access controll list for the resource '''
        return [(Allow, Everyone, 'view'), DENY_ALL]
        
    def __getitem__(self, key):
        ''' returns a resource for a valid registration token '''
        token = Token.retrieve(self.request, key, TokenSubject.REGISTRATION)
        if token is None:
            raise KeyError(f'Token {key} not found')
        return RegistrationTokenResource(name=key, parent=self, model=token)
        
    def get_registration_form(self, **kwargs):
        ''' returns the registration form'''
        settings = {
            'buttons': (
                deform.Button(name='create', title='Create Account'),
                deform.Button(
                    title='Cancel',
                    type='link',
                    value=self.request.resource_url(self.request.root),
                    css_class='btn btn-outline-secondary'
                    )
                ),
            }
        settings.update(kwargs)
        return self._prepare_form(RegistrationSchema, **settings)


class PasswordResetTokenResource(BaseChildResource):
    ''' Resource for the reset password link

    :param pyramid.request.Request request: the current request object
    :param str name: the name of the resource
    :param parent: the parent resouce
    '''
    
    nav_active = None
    
    def __acl__(self):
        ''' access controll list for the resource '''
        return [(Allow, Everyone, 'view'), DENY_ALL]

    def get_reset_form(self, **kwargs):
        ''' returns password reset form '''
        settings = {
            'buttons': (
                deform.Button(name='change', title='Set New Password'),
                deform.Button(name='cancel', title='Cancel'),
                )
            }
        settings.update(kwargs)
        return self._prepare_form(ResetPasswordSchema, **settings)


class PasswordResetResource(BaseChildResource):
    ''' The resource for resetting a forgotten password

    :param pyramid.request.Request request: the current request object
    :param str name: the name of the resource
    :param parent: the parent resouce
    '''
    
    nav_active = None

    def __acl__(self):
        ''' access controll list for the resource '''
        return [(Allow, Everyone, 'view'), DENY_ALL]
        
    def __getitem__(self, key):
        ''' returns a resource for a valid reset password token '''
        token = Token.retrieve(self.request, key, TokenSubject.RESET_PASSWORD)
        if token is None:
            raise KeyError(f'Token {key} not found')
        return PasswordResetTokenResource(name=key, parent=self, model=token)