import json

from datetime import datetime
from unittest.mock import MagicMock

from django.conf import settings
from django.test import TestCase
from django.urls import reverse
from django.core.cache import cache
from django.core.exceptions import FieldError

from idhub_auth.models import User
from idhub.admin.tables import DashboardTable, UserTable, TemplateTable
from idhub.models import Event, Membership, Rol, UserRol, Service, Schemas


class AdminDashboardTableTest(TestCase):
    def setUp(self):
        cache.set("KEY_DIDS", '1234', None)
        self.admin_user = User.objects.create_superuser(
                email='adminuser@example.org',
                password='adminpass12')
        self.admin_user.accept_gdpr=True
        self.admin_user.save()

    @classmethod
    def setUpTestData(cls):
        # Creating test events with different dates
        Event.objects.create(message='Event 1', type=1,
                             created=datetime(2023, 1, 3))
        Event.objects.create(message='Event 2', type=2,
                             created=datetime(2023, 1, 2))
        Event.objects.create(message='Event 3', type=3,
                             created=datetime(2023, 1, 25))

    def test_sorting_by_date(self):
        # Create the table
        table = DashboardTable(Event.objects.all())

        # Apply sorting
        table.order_by = 'created'

        # Fetch the sorted records
        sorted_records = list(table.rows)

        # Verify the order is as expected
        self.assertTrue(sorted_records[0].record.created
                        < sorted_records[1].record.created)
        self.assertTrue(sorted_records[1].record.created
                        < sorted_records[2].record.created)

    def test_table_in_template(self):
        self.client.login(email='adminuser@example.org', password='adminpass12')
        response = self.client.get(reverse('idhub:admin_dashboard'))

        self.assertTemplateUsed(response, 'idhub/custom_table.html')

    def test_table_data(self):
        Event.objects.create(message="test_event", type=2)
        Event.objects.create(message="test_event", type=9)

        table = DashboardTable(Event.objects.all())
        self.assertTrue(isinstance(table, DashboardTable))
        self.assertEqual(len(table.rows), Event.objects.count())

    def test_table_columns(self):
        table = DashboardTable(Event.objects.all())
        expected_columns = ['type', 'message', 'created']
        for column in expected_columns:
            self.assertIn(column, table.columns)

    def test_pagination(self):
        # TODO
        pass


class UserTableTest(TestCase):

    def setUp(self):
        cache.set("KEY_DIDS", '1234', None)
        self.user1 = User.objects.create(email="user1@example.com")
        self.user2 = User.objects.create(email="user2@example.com")
        Membership.objects.create(user=self.user1,
                                  type=Membership.Types.BENEFICIARY)

        # Set up roles and services
        service = Service.objects.create(domain="Test Service")
        role = Rol.objects.create(name="Role 1")
        service.rol.add(role)
        UserRol.objects.create(user=self.user1, service=service)

        self.table = UserTable(User.objects.all())

    def test_membership_column_render(self):
        # Get the user instance for the first row
        user = self.table.rows[0].record
        # Use the render_membership method of UserTable
        rendered_column = self.table.columns['membership'].render(user)
        self.assertIn("Beneficiary", str(rendered_column))

    def test_role_column_render(self):
        # Get the user instance for the first row
        user = self.table.rows[0].record
        # Use the render_role method of UserTable
        rendered_column = self.table.columns['role'].render(user)
        self.assertIn("Role 1", str(rendered_column))


class TemplateTableTest(TestCase):

    def setUp(self):
        cache.set("KEY_DIDS", '1234', None)
        self.table = TemplateTable(Schemas.objects.all())
        self.create_schemas(amount=3)

    def create_schemas(self, amount):
        for i in range(amount):
            self.create_schemas_object("testname" + str(i), "testdesc" + str(i))

    def create_schemas_object(self, name, description):
        data = self.format_data_for_json_reader(name, description)
        Schemas.objects.create(
                type="testy",
                file_schema="filey",
                data=data,
                created_at=datetime.now()
        )

    def format_data_for_json_reader(self, name, description):
        v = {
            "name": [{
                "lang": settings.LANGUAGE_CODE,
                "value": name
            }],
            "description": [{
                "lang": settings.LANGUAGE_CODE,
                "value": description
            }]
        }
        return json.dumps(v)
        # return '{"name": "'+name+'", "description": "'+description+'"}'

    def test_order_table_by_name_throws_no_exception(self):
        try:
            # Apply sorting
            self.table.order_by = 'name'
        except FieldError:
            self.fail("Ordering template table by name raised FieldError")

    def test_order_table_by_name_correctly_orders(self):
        table = TemplateTable(Schemas.objects.all(), order_by="name")
        # Fetch the sorted records
        sorted_records = list(table.rows)

        # Verify the order is as expected
        self.assertLess(sorted_records[0].record.name,
                        sorted_records[1].record.name)
        self.assertLess(sorted_records[1].record.name,
                        sorted_records[2].record.name)

    def test_order_table_by_description_works(self):
        try:
            # Apply sorting
            self.table.order_by = 'description'
        except FieldError:
            self.fail("Ordering template table by description raised FieldError")