import random

from django.shortcuts import resolve_url
from django.test import TestCase

from input.models import Library, TYPE_PROJ
from input.utils.testing import create_superuser, login, request
from input.views import TYPES

PATHS = {TYPES[path].code: path for path in TYPES}
CODES = list(PATHS)


class AnonymousViewTestCase(TestCase):

    def test_index(self):
        response = request(self, 'index')

        self.assertContains(response, '<a href="https://srcsrv.wikimedia.de/beba/foerderbarometer">Sourcecode</a>')

    def test_extern(self):
        request(self, 'extern')

    def test_extern_post(self):
        code = random.choice(CODES)
        url = self.helper_url(code)

        request(self, 'extern', expected_url=url, data={'url': url})

    @classmethod
    def get_step_data(cls, choice, **data):
        return {
            'realname': 'Test',
            'email': 'test@example.com',
            'choice': choice,
            'check': True,
            **data,
        }

    @staticmethod
    def helper_url(code):
        return resolve_url('extern', type=PATHS[code])

    def helper_extern_base(self, choice, text, data):
        url = self.helper_url(choice)

        response = request(self, url)

        self.assertContains(response, text)

        data = self.get_step_data(choice, **data)

        return request(self, url, data=data)

    def helper_extern(self, choice, text, data):
        response = self.helper_extern_base(choice, text, data)

        self.assertContains(response, 'Deine Anfrage wurde gesendet.')

    def test_extern_types(self):
        types = [
            ('BIB', 'Bibliotheksausweis'),
            ('ELIT', 'Online-Ressource'),
            ('MAIL', 'Mailadresse beantragen'),
            ('IFG', 'gewonnenen Informationen'),
            ('LIT', 'Literatur verwenden'),
            ('LIST', 'Mailingliste beantragen'),
            ('TRAV', 'Transportmittel'),
            ('SOFT', 'Lizenz'),
            ('VIS', 'DIN 5008'),
            (TYPE_PROJ, 'Projektförderung'),
        ]

        for code, text in types:
            with self.subTest(type=code):
                url = self.helper_url(code)
                response = request(self, url)

                self.assertContains(response, text)

    def test_extern_travel(self):
        self.helper_extern('TRAV', 'Transportmittel', {
            'project_name': 'Test',
            'transport': 'BAHN',
            'travelcost': 10,
            'checkin': '2025-01-01',
            'checkout': '2025-01-02',
            'hotel': 'TRUE',
            'notes': '',
        })

    def test_extern_lit(self):
        self.helper_extern('LIT', 'Literatur verwenden', {
            'cost': 20,
            'info': 'Test',
            'source': 'Test',
            'notes': '',
            'selfbuy': 'TRUE',
            'selfbuy_data': 'NONE',
            'selfbuy_give_data': True,
            'check': True,
            'terms_accepted': True,
        })

    def test_extern_lit_without_consent_fails(self):
        response = self.helper_extern_base('LIT', 'Literatur verwenden', {
            'cost': 20,
            'info': 'Test',
            'source': 'Test',
            'notes': '',
            'selfbuy': 'TRUE',
            'selfbuy_data': 'NONE',
            'selfbuy_give_data': True,
            'check': False,
        })

        self.assertContains(response, 'Dieses Feld ist zwingend erforderlich.')

    def test_extern_bib(self):
        self.helper_extern('BIB', 'Bibliotheksausweis', {
            'cost': 20,
            'library': 'Test',
            'duration': 'Test',
            'notes': '',
        })

    def test_extern_invalid_code(self):
        request(self, 'extern', args=['invalid'], status_code=404)



class AuthenticatedViewTestCase(TestCase):

    @classmethod
    def setUpTestData(cls):
        cls.user = create_superuser('staff')

    def setUp(self):
        login(self)

    def test_export(self):
        request(self, 'export')

    def helper_auth_deny(self, view, expected):
        obj = Library.objects.create(library='Test')

        request(self, view, args=[obj.type, obj.id])

        obj.refresh_from_db(fields=['granted'])

        self.assertEqual(obj.granted, expected)

    def helper_auth_deny_error(self, view):
        response = request(self, view, args=['TEST', 1])

        self.assertContains(response, 'ERROR')

    def test_authorize(self):
        self.helper_auth_deny('authorize', True)

    def test_authorize_error(self):
        self.helper_auth_deny_error('authorize')

    def test_deny(self):
        self.helper_auth_deny('deny', False)

    def test_deny_error(self):
        self.helper_auth_deny_error('deny')