from __future__ import annotations

import unittest

from cryptography.fernet import Fernet

from govoplan_core.core.install_config import env_template, validate_runtime_configuration


class InstallConfigTests(unittest.TestCase):
    def test_self_hosted_validation_reports_actionable_missing_settings(self) -> None:
        result = validate_runtime_configuration({}, profile="self-hosted")

        self.assertFalse(result.ok)
        errors = {issue.key: issue for issue in result.errors}
        self.assertIn("APP_ENV", errors)
        self.assertIn("DATABASE_URL", errors)
        self.assertIn("MASTER_KEY_B64", errors)
        self.assertIn("ENABLED_MODULES", errors)
        self.assertIn("CORS_ORIGINS", errors)
        self.assertIn("Set DATABASE_URL", errors["DATABASE_URL"].action)

    def test_self_hosted_validation_accepts_explicit_postgres_configuration(self) -> None:
        result = validate_runtime_configuration(
            {
                "APP_ENV": "production",
                "GOVOPLAN_INSTALL_PROFILE": "self-hosted",
                "DATABASE_URL": "postgresql+psycopg://govoplan:secret@db.example.internal:5432/govoplan",
                "GOVOPLAN_DATABASE_URL_PGTOOLS": "postgresql://govoplan:secret@db.example.internal:5432/govoplan",
                "MASTER_KEY_B64": Fernet.generate_key().decode("ascii"),
                "ENABLED_MODULES": "access,admin,policy,audit",
                "CELERY_ENABLED": "true",
                "REDIS_URL": "redis://redis.example.internal:6379/0",
                "CORS_ORIGINS": "https://govoplan.example.org",
                "AUTH_COOKIE_SECURE": "true",
                "FILE_STORAGE_BACKEND": "local",
                "FILE_STORAGE_LOCAL_ROOT": "/var/lib/govoplan/files",
            },
            profile="self-hosted",
        )

        self.assertTrue(result.ok, result.to_text())
        self.assertEqual([], [issue.key for issue in result.errors])

    def test_production_validation_rejects_dev_bootstrap_and_sqlite(self) -> None:
        result = validate_runtime_configuration(
            {
                "APP_ENV": "production",
                "DATABASE_URL": "sqlite:////tmp/govoplan.db",
                "MASTER_KEY_B64": Fernet.generate_key().decode("ascii"),
                "ENABLED_MODULES": "access,admin",
                "DEV_BOOTSTRAP_ENABLED": "true",
                "CORS_ORIGINS": "https://govoplan.example.org",
                "AUTH_COOKIE_SECURE": "true",
                "FILE_STORAGE_BACKEND": "local",
                "FILE_STORAGE_LOCAL_ROOT": "/var/lib/govoplan/files",
            },
            profile="self-hosted",
        )

        error_keys = {issue.key for issue in result.errors}
        self.assertIn("DATABASE_URL", error_keys)
        self.assertIn("DEV_BOOTSTRAP_ENABLED", error_keys)

    def test_env_templates_surface_install_profiles(self) -> None:
        self_hosted = env_template(profile="self-hosted")
        production_like = env_template(profile="production-like", generate_secrets=True)

        self.assertIn("GOVOPLAN_INSTALL_PROFILE=self-hosted", self_hosted)
        self.assertIn("MASTER_KEY_B64=<generate", self_hosted)
        self.assertIn("GOVOPLAN_INSTALL_PROFILE=production-like", production_like)
        self.assertNotIn("MASTER_KEY_B64=<generate", production_like)


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