#!/usr/bin/env python3

import falcon
from middleware import get_template


class AppLogin(object):
    template = 'login.html'

    def __init__(self, db):
        self._db = db

    @falcon.after(get_template)
    def on_get(self, req, resp):
        resp.status = falcon.HTTP_200

    def on_post(self, req, resp):
        session = req.env['beaker.session']
        values = req.params
        result = self._db.authenticate(values)
        if result['login']:
            session.save()
            session['user'] = result['user']
            session['rfc'] = values['rfc']
        req.context['result'] = result
        resp.status = falcon.HTTP_200


class AppLogout(object):

    def __init__(self, db):
        self._db = db

    def on_get(self, req, resp):
        session = req.env['beaker.session']
        session.delete()
        resp.status = falcon.HTTP_200
        raise falcon.HTTPTemporaryRedirect('/')


class AppAdmin(object):
    template = 'admin.html'

    def __init__(self, db):
        self._db = db

    @falcon.after(get_template)
    def on_get(self, req, resp):
        resp.status = falcon.HTTP_200


class AppMain(object):
    template = 'main.html'

    def __init__(self, db):
        self._db = db

    @falcon.after(get_template)
    def on_get(self, req, resp):
        resp.status = falcon.HTTP_200


class AppValues(object):

    def __init__(self, db):
        self._db = db

    def on_get(self, req, resp, table):
        values = req.params
        req.context['result'] = self._db.get_values(table, values)
        resp.status = falcon.HTTP_200

    def on_post(self, req, resp, table):
        file_object = req.get_param('upload')
        if file_object is None:
            session = req.env['beaker.session']
            values = req.params
            req.context['result'] = self._db.validate_cert(values, session)
        else:
            req.context['result'] = self._db.add_cert(file_object)
        resp.status = falcon.HTTP_200



class AppPartners(object):

    def __init__(self, db):
        self._db = db

    def on_get(self, req, resp):
        values = req.params
        req.context['result'] = self._db.get_partners(values)
        resp.status = falcon.HTTP_200

    def on_post(self, req, resp):
        values = req.params
        req.context['result'] = self._db.partner(values)
        resp.status = falcon.HTTP_200

    def on_delete(self, req, resp):
        values = req.params
        if self._db.delete('partner', values['id']):
            resp.status = falcon.HTTP_200
        else:
            resp.status = falcon.HTTP_204


class AppProducts(object):

    def __init__(self, db):
        self._db = db

    def on_get(self, req, resp):
        values = req.params
        req.context['result'] = self._db.get_products(values)
        resp.status = falcon.HTTP_200

    def on_post(self, req, resp):
        values = req.params
        req.context['result'] = self._db.product(values)
        resp.status = falcon.HTTP_200

    def on_delete(self, req, resp):
        values = req.params
        if self._db.delete('product', values['id']):
            resp.status = falcon.HTTP_200
        else:
            resp.status = falcon.HTTP_204


class AppInvoices(object):

    def __init__(self, db):
        self._db = db

    def on_get(self, req, resp):
        values = req.params
        req.context['result'] = self._db.get_invoices(values)
        resp.status = falcon.HTTP_200

    def on_post(self, req, resp):
        values = req.params
        req.context['result'] = self._db.invoice(values)
        resp.status = falcon.HTTP_200

    def on_delete(self, req, resp):
        values = req.params
        if self._db.delete('invoice', values['id']):
            resp.status = falcon.HTTP_200
        else:
            resp.status = falcon.HTTP_204


class AppEmisor(object):

    def __init__(self, db):
        self._db = db

    def on_get(self, req, resp):
        values = req.params
        session = req.env['beaker.session']
        req.context['result'] = self._db.get_emisor(session['rfc'])
        resp.status = falcon.HTTP_200

    def on_post(self, req, resp):
        values = req.params
        req.context['result'] = self._db.emisor(values)
        resp.status = falcon.HTTP_200

    def on_delete(self, req, resp):
        values = req.params
        if self._db.delete('invoice', values['id']):
            resp.status = falcon.HTTP_200
        else:
            resp.status = falcon.HTTP_204