import unittest
from unittest.mock import patch

from django.test import TestCase

from ..models import PDFPageSnapshot
from ..models import PDFResource
from ..models import Resource
from ..models import ResourceCategory
from ..models import ResourceType
from ..views import ResourceInfo
from ..views import _extract_metadata_from_resource


class ResourceModelTest(TestCase):
    def test_string_representation(self):
        resource = Resource(name="Test Resource")
        self.assertEqual(str(resource), "Test Resource")


@unittest.skip("Skipping this test for now as it is broken")
class TestExtractMetadata(TestCase):
    @patch("resources.views.get_presigned_obj_url")
    def test_extract_metadata_from_resource(self, mock_get_url):
        # Create mock instances of ResourceType and ResourceCategory
        mock_resource_type = ResourceType.objects.create(name="Test Type")
        mock_main_category = ResourceCategory.objects.create(name="Test Main Category")

        mock_resource = Resource(
            name="Test Resource",
            thumbnail_filenames=["thumb.jpg", "thumb2.jpg"],
            created_at="2022-01-01",
            updated_at="2022-01-02",
            resource_type=mock_resource_type,
            main_resource_category=mock_main_category,
            age_range="5-7",
        )
        mock_get_url.return_value = "https://example.com/url"
        result = _extract_metadata_from_resource(mock_resource)
        self.assertIsInstance(result, ResourceInfo)
        self.assertEqual(result.name, "Test Resource")
        self.assertEqual(result.pdf_filenames, "test.pdf")
        self.assertEqual(result.thumbnail_filenames, ["thumb.jpg", "thumb2.jpg"])
        self.assertEqual(result.created, "2022-01-01")
        self.assertEqual(result.updated, "2022-01-02")


@unittest.skip("These tests will not run because they rely upon the view to get file size, etc.")
class TestPDFResourceModel(TestCase):
    def setUp(self):
        self.resource_type = ResourceType.objects.create(name="Test Resource Type")
        self.resource_category = ResourceCategory.objects.create(name="Test Resource Category")
        self.resource = Resource.objects.create(
            name="Test Resource",
            resource_type=self.resource_type,
            main_resource_category=self.resource_category,
            age_range="5-7",
            curriculum="English",
            description="Test Description",
        )
        self.pdf_resource = PDFResource.objects.create(
            resource=self.resource,
            file_name="resources/tests/testdata/test_small_file.pdf",
        )
        self.pdf_page_snapshot = PDFPageSnapshot.objects.create(
            name="Test Thumbnail Image",
            file_name="test_resource_1.jpg",
            pdf_file=self.pdf_resource,
        )

    def test_pdf_resource_string_representation(self):
        self.assertEqual(str(self.resource), "Test Resource")

    def test_get_pdf_snapshot_filenames(self):
        self.assertEqual(self.pdf_resource.snapshot_file_names(), ["test_resource_1.jpg"])