from datetime import date, timedelta
from unittest import mock

from authens.models import CASAccount, OldCASAccount
from authens.tests.cas_utils import FakeCASClient

from django.conf import settings
from django.test import TestCase
from django.urls import reverse
from django.utils import timezone

from .models import AvisLieu, Lieu, Normalien, Stage, StageMatiere, User


class ExperiENSTestCase(TestCase):

    # Dummy database

    def setUp(self):
        self.u_conscrit = User.objects.create_user(
            "conscrit", "conscrit@ens.fr", "conscrit"
        )
        self.p_conscrit = self.u_conscrit.profil
        self.p_conscrit.nom = "Petit conscrit"
        self.p_conscrit.promotion = "Serpentard 2020"
        self.p_conscrit.bio = "Je suis un petit conscrit"
        self.p_conscrit.save()

        self.sa_conscrit = CASAccount(
            user=self.u_conscrit,
            cas_login="conscrit",
            entrance_year=2020,
        )
        self.sa_conscrit.save()

        self.u_archi = User.objects.create_user(
            "archicube", "archicube@ens.fr", "archicube"
        )
        self.p_archi = self.u_archi.profil
        self.p_archi.nom = "Vieil archicube"
        self.p_archi.promotion = "Gryffondor 2014"
        self.p_archi.bio = "Je suis un vieil archicube"

        self.lieu1 = Lieu(
            nom="Beaux-Bâtons",
            type_lieu="universite",
            ville="Brocéliande",
            pays="FR",
            coord="POINT(-1.63971 48.116382)",
        )
        self.lieu1.save()
        self.lieu2 = Lieu(
            nom="Durmstrang",
            type_lieu="universite",
            ville="Edimbourg",
            pays="GB",
            coord="POINT(56.32153 -1.259715)",
        )
        self.lieu2.save()

        self.matiere1 = StageMatiere(nom="Arithmancie", slug="arithmancie")
        self.matiere1.save()
        self.matiere2 = StageMatiere(nom="Sortilège", slug="sortilege")
        self.matiere2.save()

        self.cstage1 = Stage(
            auteur=self.p_conscrit,
            sujet="Wingardium Leviosa",
            date_debut=date(2020, 5, 10),
            date_fin=date(2020, 8, 26),
            type_stage="recherche",
            niveau_scol="M1",
            public=True,
        )
        self.cstage1.save()
        self.cstage1.matieres.add(self.matiere1)
        alieu1 = AvisLieu(stage=self.cstage1, lieu=self.lieu1, chapo="Trop bien")
        alieu1.save()

        self.cstage2 = Stage(
            auteur=self.p_conscrit,
            sujet="Avada Kedavra",
            date_debut=date(2021, 5, 10),
            date_fin=date(2021, 8, 26),
            type_stage="sejour_dri",
            niveau_scol="M2",
            public=False,
        )
        self.cstage2.save()
        self.cstage2.matieres.add(self.matiere2)
        alieu2 = AvisLieu(stage=self.cstage2, lieu=self.lieu2, chapo="Trop nul")
        alieu2.save()

        self.astage1 = Stage(
            auteur=self.p_archi,
            sujet="Alohomora",
            date_debut=date(2014, 5, 10),
            date_fin=date(2014, 8, 26),
            type_stage="recherche",
            niveau_scol="M2",
            public=True,
        )
        self.astage1.save()
        self.astage1.matieres.add(self.matiere2)
        alieu3 = AvisLieu(stage=self.astage1, lieu=self.lieu1, chapo="Trop moyen")
        alieu3.save()

    def assertRedirectToLogin(self, testurl):
        r = self.client.get(testurl)
        return self.assertRedirects(r, settings.LOGIN_URL + "?next=" + testurl)

    def assertPageNotFound(self, testurl):
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 404)


"""
ACCÈS PUBLIC
"""


class PublicViewsTest(ExperiENSTestCase):
    """
    Vérifie que les fiches de stages ne sont pas visibles hors connexion
    """

    def test_stage_visibility_public(self):
        self.assertRedirectToLogin(
            reverse("avisstage:stage", kwargs={"pk": self.cstage1.id})
        )

        self.assertRedirectToLogin(
            reverse("avisstage:stage", kwargs={"pk": self.cstage2.id})
        )

        self.assertRedirectToLogin(
            reverse("avisstage:stage", kwargs={"pk": self.astage1.id})
        )

    """
    Vérifie que les profils de normaliens ne sont pas visibles hors connexion
    """

    def test_profil_visibility_public(self):
        self.assertRedirectToLogin(
            reverse("avisstage:profil", kwargs={"username": self.u_conscrit.username})
        )

        self.assertRedirectToLogin(
            reverse("avisstage:profil", kwargs={"username": self.u_archi.username})
        )

    """
    Vérifie que la recherche n'est pas accessible hors connexion
    """

    def test_pages_visibility_public(self):
        self.assertRedirectToLogin(reverse("avisstage:recherche"))

        self.assertRedirectToLogin(reverse("avisstage:recherche_resultats"))

        self.assertRedirectToLogin(reverse("avisstage:stage_items"))

        self.assertRedirectToLogin(reverse("avisstage:feedback"))

        self.assertRedirectToLogin(reverse("avisstage:moderation"))

    """
    Vérifie que l'API n'est pas accessible hors connexion
    """

    def test_api_visibility_public(self):
        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "lieu", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 401)

        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "stage", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 401)

        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "profil", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 401)

    """
    Vérifie que les pages d'édition ne sont pas accessible hors connexion
    """

    def test_edit_visibility_public(self):
        self.assertRedirectToLogin(
            reverse("avisstage:stage_edit", kwargs={"pk": self.cstage1.id})
        )

        self.assertRedirectToLogin(
            reverse("avisstage:stage_edit", kwargs={"pk": self.astage1.id})
        )

        self.assertRedirectToLogin(
            reverse("avisstage:stage_publication", kwargs={"pk": self.cstage1.id})
        )

        self.assertRedirectToLogin(
            reverse("avisstage:stage_publication", kwargs={"pk": self.astage1.id})
        )

        self.assertRedirectToLogin(reverse("avisstage:stage_ajout"))

        self.assertRedirectToLogin(reverse("avisstage:profil_edit"))


"""
ACCÈS ARCHICUBE
"""


class ArchicubeViewsTest(ExperiENSTestCase):
    def setUp(self):
        super().setUp()
        # Connexion with password
        self.client.login(username="archicube", password="archicube")

    def assert403Archicubes(self, testurl):
        r = self.client.get(testurl)
        return self.assertRedirects(r, reverse("avisstage:403-archicubes"))

    """
    Vérifie que les seules fiches de stages visibles sont les siennes
    """

    def test_stage_visibility_archi(self):
        self.assertPageNotFound(
            reverse("avisstage:stage", kwargs={"pk": self.cstage1.id})
        )

        self.assertPageNotFound(
            reverse("avisstage:stage", kwargs={"pk": self.cstage2.id})
        )

        testurl = reverse("avisstage:stage", kwargs={"pk": self.astage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

    """
    Vérifie que le seul profil visible est le sien
    """

    def test_profil_visibility_archi(self):
        self.assertPageNotFound(
            reverse("avisstage:profil", kwargs={"username": self.u_conscrit.username})
        )

        testurl = reverse(
            "avisstage:profil", kwargs={"username": self.u_archi.username}
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

    """
    Vérifie que la recherche n'est pas accessible
    """

    def test_pages_visibility_archi(self):
        self.assert403Archicubes(reverse("avisstage:recherche"))

        self.assert403Archicubes(reverse("avisstage:recherche_resultats"))

        self.assert403Archicubes(reverse("avisstage:stage_items"))

        testurl = reverse("avisstage:feedback")
        r = self.client.post(
            testurl, {"objet": "Contact", "message": "Ceci est un texte"}
        )
        self.assertRedirects(r, reverse("avisstage:index"))

        testurl = reverse("avisstage:moderation")
        r = self.client.get(testurl)
        self.assertRedirects(r, reverse("admin:login") + "?next=" + testurl)

    """
    Vérifie que la seule API accessible est celle des lieux
    """

    def test_api_visibility_archi(self):
        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "lieu", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "stage", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 401)

        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "profil", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 401)

    """
    Vérifie que le seul stage modifiable est le sien
    """

    def test_edit_visibility_archi(self):
        testurl = reverse("avisstage:stage_edit", kwargs={"pk": self.cstage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 403)

        testurl = reverse("avisstage:stage_edit", kwargs={"pk": self.astage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse("avisstage:stage_publication", kwargs={"pk": self.cstage1.id})
        r = self.client.post(testurl, {"publier": True})
        self.assertEqual(r.status_code, 403)

        testurl = reverse("avisstage:stage_publication", kwargs={"pk": self.astage1.id})
        r = self.client.post(testurl, {"publier": True})
        self.assertRedirects(
            r, reverse("avisstage:stage", kwargs={"pk": self.astage1.id})
        )

        testurl = reverse("avisstage:stage_ajout")
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse("avisstage:profil_edit")
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        # TODO : test post()


class DeprecatedArchicubeViewsTest(ArchicubeViewsTest):
    @mock.patch("authens.backends.get_cas_client")
    def setUp(self, mock_cas_client):
        super().setUp()

        fake_cas_client = FakeCASClient(cas_login="archicube", entrance_year=2012)
        mock_cas_client.return_value = fake_cas_client

        self.sa_archi = OldCASAccount(
            user=self.u_archi,
            cas_login="archicube",
            entrance_year=2012,
        )
        self.sa_archi.save()

        # First connexion through CAS
        self.client.login(ticket="dummy")
        self.client.logout()

        # Time flies
        self.p_archi.last_cas_login = (timezone.now() - timedelta(days=365)).date()
        self.p_archi.save()

        # New connexion with password
        self.client.login(username="archicube", password="archicube")


"""
ACCÈS EN SCOLARITE
"""


class ScolariteViewsTest(ExperiENSTestCase):
    @mock.patch("authens.backends.get_cas_client")
    def setUp(self, mock_cas_client):
        super().setUp()

        fake_cas_client = FakeCASClient(cas_login="vieuxcon", entrance_year=2017)
        mock_cas_client.return_value = fake_cas_client

        self.u_vieuxcon = User.objects.create_user(
            "vieuxcon", "vieuxcon@ens.fr", "vieuxcon"
        )
        self.p_vieuxcon = self.u_vieuxcon.profil
        self.p_vieuxcon.nom = "Vieux con"
        self.p_vieuxcon.promotion = "Poufsouffle 2017"
        self.p_vieuxcon.bio = "Je suis un vieux con encore en scolarité"
        self.p_vieuxcon.save()

        self.sa_vieuxcon = CASAccount(
            user=self.u_vieuxcon,
            cas_login="vieuxcon",
            entrance_year=2017,
        )
        self.sa_vieuxcon.save()

        self.vstage1 = Stage(
            auteur=self.p_vieuxcon,
            sujet="Oubliettes",
            date_debut=date(2018, 5, 10),
            date_fin=date(2018, 8, 26),
            type_stage="recherche",
            niveau_scol="M1",
            public=False,
        )
        self.vstage1.save()
        self.vstage1.matieres.add(self.matiere2)
        alieu1 = AvisLieu(stage=self.vstage1, lieu=self.lieu2, chapo="Pas si mal")
        alieu1.save()

        # Connexion through CAS
        self.client.login(ticket="dummy")

    """
    Vérifie que les seules fiches de stages visibles sont les siennes ou celles
    publiques
    """

    def test_stage_visibility_scolarite(self):
        testurl = reverse("avisstage:stage", kwargs={"pk": self.cstage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        self.assertPageNotFound(
            reverse("avisstage:stage", kwargs={"pk": self.cstage2.id})
        )

        testurl = reverse("avisstage:stage", kwargs={"pk": self.vstage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

    """
    Vérifie que tous les profils sont visibles
    """

    def test_profil_visibility_scolarite(self):
        testurl = reverse(
            "avisstage:profil", kwargs={"username": self.u_conscrit.username}
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)
        self.assertContains(r, "Wingardium Leviosa")  # Public
        self.assertNotContains(r, "Avada Kedavra")  # Brouillon

        testurl = reverse(
            "avisstage:profil", kwargs={"username": self.u_archi.username}
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse(
            "avisstage:profil", kwargs={"username": self.u_vieuxcon.username}
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

    """
    Vérifie que la recherche et les autres pages sont accessibles
    """

    def test_pages_visibility_scolarite(self):
        testurl = reverse("avisstage:recherche")
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse("avisstage:recherche_resultats")
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)
        self.assertContains(r, "Wingardium Leviosa")  # Public
        self.assertNotContains(r, "Avada Kedavra")  # Brouillon

        testurl = (
            reverse("avisstage:stage_items")
            + "?ids="
            + ";".join(
                ("%d" % k.id) for k in [self.cstage1, self.cstage2, self.astage1]
            )
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)
        self.assertContains(r, "Wingardium Leviosa")  # Public
        self.assertNotContains(r, "Avada Kedavra")  # Brouillon

        testurl = reverse("avisstage:feedback")
        r = self.client.post(
            testurl, {"objet": "Contact", "message": "Ceci est un texte"}
        )
        self.assertRedirects(r, reverse("avisstage:index"))

        testurl = reverse("avisstage:moderation")
        r = self.client.get(testurl)
        self.assertRedirects(r, reverse("admin:login") + "?next=" + testurl)

    """
    Vérifie que toutes les API sont accessibles et qu'elles ne montrent que les
    stages publics
    """

    def test_api_visibility_scolarite(self):
        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "lieu", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "stage", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)
        self.assertContains(r, "Wingardium Leviosa")  # Public
        self.assertNotContains(r, "Avada Kedavra")  # Brouillon

        testurl = reverse(
            "avisstage:api_dispatch_list",
            kwargs={"resource_name": "profil", "api_name": "v1"},
        )
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

    """
    Vérifie que le seul stage modifiable est le sien
    """

    def test_edit_visibility_scolarite(self):
        testurl = reverse("avisstage:stage_edit", kwargs={"pk": self.cstage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 403)

        testurl = reverse("avisstage:stage_edit", kwargs={"pk": self.astage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 403)

        testurl = reverse("avisstage:stage_edit", kwargs={"pk": self.vstage1.id})
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse("avisstage:stage_publication", kwargs={"pk": self.cstage1.id})
        r = self.client.post(testurl, {"publier": True})
        self.assertEqual(r.status_code, 403)

        testurl = reverse("avisstage:stage_publication", kwargs={"pk": self.vstage1.id})
        r = self.client.post(testurl, {"publier": True})
        self.assertRedirects(
            r, reverse("avisstage:stage", kwargs={"pk": self.vstage1.id})
        )

        testurl = reverse("avisstage:stage_ajout")
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        testurl = reverse("avisstage:profil_edit")
        r = self.client.get(testurl)
        self.assertEqual(r.status_code, 200)

        # TODO : test post()