import pytest
from django.db import connection
from django.apps import apps
from django.conf import settings

# TODO: Import your TypedClass2DjangoBaseClass, TypedClass2DjangoStoreTypedClassObject
# from pydantic2django.django.models import TypedClass2DjangoBaseClass, TypedClass2DjangoStoreTypedClassObject
# TODO: Import or define sample generic classes to test with
# from tests.fixtures.typedclass_models import SimpleTypedClass, TypedClassWithInit

# This ensures Django is configured for tests that hit the DB
pytestmark = pytest.mark.django_db

# Dynamically create a model for testing the "Store As JSON" approach
# class StoredSimpleTyped(TypedClass2DjangoStoreTypedClassObject[SimpleTypedClass]):
#     _expected_typedclass_type = SimpleTypedClass
#     class Meta(TypedClass2DjangoStoreTypedClassObject.Meta):
#         app_label = "tests"
#         db_table = "tests_storedsimpletyped"

# Dynamically create a model for testing the "Map Fields" approach
# This would typically be generated by the TypedClassDjangoModelGenerator
# For testing the base, we might define one manually or use a generator output.
# class MappedSimpleTyped(TypedClass2DjangoBaseClass[SimpleTypedClass]):
#     _expected_typedclass_type = SimpleTypedClass
#     name_from_class = models.CharField(max_length=100) # Example field derived from SimpleTypedClass.name
#     value_from_class = models.IntegerField(default=0)  # Example field for SimpleTypedClass.value
#     class Meta(TypedClass2DjangoBaseClass.Meta):
#         app_label = "tests"
#         db_table = "tests_mappedsimpletyped"


@pytest.fixture(scope="session", autouse=True)
def setup_django_for_typedclass_tests():
    """Ensure Django is set up, and create tables for dynamically defined models."""
    if not settings.configured:
        settings.configure(
            INSTALLED_APPS=["tests", "pydantic2django"], # Add your app
            DATABASES={
                "default": {
                    "ENGINE": "django.db.backends.sqlite3",
                    "NAME": ":memory:",
                }
            },
        )
    apps.populate(["tests", "pydantic2django"]) # Ensure apps are loaded

    # with connection.schema_editor() as schema_editor:
        # For dynamic models not in migrations, create their tables explicitly
        # if not StoredSimpleTyped._meta.db_table in connection.introspection.table_names():
        #     schema_editor.create_model(StoredSimpleTyped)
        # if not MappedSimpleTyped._meta.db_table in connection.introspection.table_names():
        #     schema_editor.create_model(MappedSimpleTyped)
    yield
    # Teardown if needed, though :memory: db is usually fine


class TestTypedClassStoreAsJson:
    def test_from_to_typedclass_store(self):
        # original_typed_obj = SimpleTypedClass(name="Test Store", value=123)
        # django_model = StoredSimpleTyped.from_typedclass(original_typed_obj)
        # django_model.save()

        # retrieved_model = StoredSimpleTyped.objects.get(id=django_model.id)
        # reconstructed_obj = retrieved_model.to_typedclass()

        # assert reconstructed_obj.name == original_typed_obj.name
        # assert reconstructed_obj.value == original_typed_obj.value
        # assert isinstance(reconstructed_obj, SimpleTypedClass)
        pass

    def test_update_from_typedclass_store(self):
        # original_typed_obj = SimpleTypedClass(name="Initial Store", value=1)
        # django_model = StoredSimpleTyped.from_typedclass(original_typed_obj)
        # django_model.save()

        # updated_typed_obj = SimpleTypedClass(name="Updated Store", value=2)
        # django_model.update_from_typedclass(updated_typed_obj)
        # django_model.refresh_from_db()

        # assert django_model.name == "Updated Store" # Assuming name is also on StoredSimpleTyped
        # assert django_model.data["name"] == "Updated Store"
        # assert django_model.data["value"] == 2
        pass

class TestTypedClassMapFields:
    def test_from_to_typedclass_map(self):
        # original_typed_obj = SimpleTypedClass(name="Test Map", value=456)
        # django_model = MappedSimpleTyped.from_typedclass(original_typed_obj)
        # django_model.save()

        # retrieved_model = MappedSimpleTyped.objects.get(id=django_model.id)
        # reconstructed_obj = retrieved_model.to_typedclass()

        # assert reconstructed_obj.name == original_typed_obj.name
        # assert reconstructed_obj.value == original_typed_obj.value
        # assert isinstance(reconstructed_obj, SimpleTypedClass)
        pass

    def test_update_from_typedclass_map(self):
        # original_typed_obj = SimpleTypedClass(name="Initial Map", value=10)
        # django_model = MappedSimpleTyped.from_typedclass(original_typed_obj)
        # django_model.save()

        # updated_typed_obj = SimpleTypedClass(name="Updated Map", value=20)
        # django_model.update_from_typedclass(updated_typed_obj)
        # django_model.refresh_from_db()

        # assert django_model.name_from_class == "Updated Map"
        # assert django_model.value_from_class == 20
        pass

# TODO: Add tests for more complex classes (nested, different data types)
# TODO: Test specific pydantic-ai classes like OpenAIProvider, focusing on configurable, serializable fields.
