import importlib
import unittest
from unittest.mock import patch

from app import create_app


class ConfigAndStructureTest(unittest.TestCase):
    def test_create_app_loads_environment_config(self):
        env = {
            "CHIS_BASE_URL": "http://chis.example.test/chis",
            "CHIS_PUBLIC_KEY": "PUBLIC_KEY_PLACEHOLDER",
            "REDIS_URL": "redis://localhost:6379/0",
            "LOG_DIR": "logs",
            "ARCHIVE_DIR": "archives",
            "CHIS_PROXY": "socks5h://127.0.0.1:1080",
        }

        with patch.dict("os.environ", env, clear=False):
            app = create_app({"TESTING": True})

        self.assertEqual(app.config["CHIS_BASE_URL"], env["CHIS_BASE_URL"])
        self.assertEqual(app.config["CHIS_PUBLIC_KEY"], env["CHIS_PUBLIC_KEY"])
        self.assertEqual(app.config["REDIS_URL"], env["REDIS_URL"])
        self.assertEqual(app.config["LOG_DIR"], env["LOG_DIR"])
        self.assertEqual(app.config["ARCHIVE_DIR"], env["ARCHIVE_DIR"])
        self.assertEqual(app.config["CHIS_PROXY"], env["CHIS_PROXY"])

    def test_architecture_packages_are_importable(self):
        package_names = [
            "app.middleware",
            "app.services",
            "app.mappers",
            "app.chis",
            "app.repositories",
            "app.validators",
        ]

        for package_name in package_names:
            with self.subTest(package_name=package_name):
                self.assertIsNotNone(importlib.import_module(package_name))


if __name__ == "__main__":
    unittest.main()