from __future__ import annotations

import unittest
from unittest.mock import patch

from core.config import HARBOR_PROJECT, HARBOR_REGISTRY
from monitors.yumi.service_release import build_update_targets_payload


class ServiceReleaseTargetsTests(unittest.TestCase):
    @patch("monitors.yumi.service_release.gateway_clb_configuration_error", return_value="gateway CLB protection requires .env")
    @patch("monitors.yumi.service_release.frontend_release_enabled", return_value=False)
    @patch("monitors.yumi.service_release.service_repository_ref", side_effect=lambda service: f"repo/{service}")
    @patch("monitors.yumi.service_release.buildable_service_names", return_value=["gateway"])
    @patch("monitors.yumi.service_release.service_records_by_name")
    @patch("monitors.yumi.service_release.load_local_host_compose_model")
    def test_build_update_targets_payload_adds_gateway_clb_warning(
        self,
        load_local_host_compose_model_mock,
        service_records_by_name_mock,
        buildable_service_names_mock,
        service_repository_ref_mock,
        frontend_release_enabled_mock,
        gateway_clb_configuration_error_mock,
    ) -> None:
        del buildable_service_names_mock
        del service_repository_ref_mock
        del frontend_release_enabled_mock
        del gateway_clb_configuration_error_mock
        service_records_by_name_mock.return_value = {
            "gateway": [
                {
                    "host": "gateway-1",
                    "ip": "10.0.0.1",
                    "instanceId": "ins-gateway-1",
                    "port": 8080,
                    "path": "/health",
                }
            ]
        }
        load_local_host_compose_model_mock.return_value = {
            "services": {
                "gateway": {"image": "registry/gateway:main"},
            }
        }

        payload = build_update_targets_payload()

        self.assertTrue(payload["ok"])
        self.assertEqual(payload["items"][0]["warnings"], ["gateway CLB protection requires .env"])

    @patch("monitors.yumi.service_release.frontend_release_enabled", return_value=False)
    @patch("monitors.yumi.service_release.service_repository_ref", side_effect=lambda service: f"repo/{service}")
    @patch("monitors.yumi.service_release.buildable_service_names", return_value=["auth", "gateway"])
    @patch("monitors.yumi.service_release.service_records_by_name")
    @patch("monitors.yumi.service_release.load_local_host_compose_model")
    def test_build_update_targets_payload_reuses_host_compose_model(
        self,
        load_local_host_compose_model_mock,
        service_records_by_name_mock,
        buildable_service_names_mock,
        service_repository_ref_mock,
        frontend_release_enabled_mock,
    ) -> None:
        del buildable_service_names_mock, service_repository_ref_mock, frontend_release_enabled_mock
        service_records_by_name_mock.return_value = {
            "auth": [
                {
                    "host": "app-1",
                    "ip": "10.0.0.1",
                    "instanceId": "ins-app-1",
                    "port": 8080,
                    "path": "/auth",
                }
            ],
            "gateway": [
                {
                    "host": "app-1",
                    "ip": "10.0.0.1",
                    "instanceId": "ins-app-1",
                    "port": 9000,
                    "path": "/gateway",
                }
            ],
        }
        load_local_host_compose_model_mock.return_value = {
            "services": {
                "auth": {"image": "registry/auth:main"},
                "gateway": {"image": "registry/gateway:main"},
            }
        }

        payload = build_update_targets_payload()

        self.assertTrue(payload["ok"])
        self.assertEqual(load_local_host_compose_model_mock.call_count, 1)
        self.assertEqual([item["service"] for item in payload["items"]], ["auth", "gateway"])
        self.assertEqual(payload["items"][0]["currentImages"], ["registry/auth:main"])
        self.assertEqual(payload["items"][1]["currentImages"], ["registry/gateway:main"])

    @patch("monitors.yumi.service_release.frontend_release_enabled", return_value=False)
    @patch("monitors.yumi.service_release.service_repository_ref", side_effect=lambda service: f"repo/{service}")
    @patch("monitors.yumi.service_release.buildable_service_names", return_value=["auth"])
    @patch("monitors.yumi.service_release.service_records_by_name")
    @patch("monitors.yumi.service_release.load_local_host_compose_model", side_effect=RuntimeError("broken compose"))
    def test_build_update_targets_payload_keeps_items_when_compose_unavailable(
        self,
        load_local_host_compose_model_mock,
        service_records_by_name_mock,
        buildable_service_names_mock,
        service_repository_ref_mock,
        frontend_release_enabled_mock,
    ) -> None:
        del load_local_host_compose_model_mock
        del buildable_service_names_mock, service_repository_ref_mock, frontend_release_enabled_mock
        service_records_by_name_mock.return_value = {
            "auth": [
                {
                    "host": "app-1",
                    "ip": "10.0.0.1",
                    "instanceId": "ins-app-1",
                    "port": 8080,
                    "path": "/auth",
                }
            ]
        }

        payload = build_update_targets_payload()

        self.assertTrue(payload["ok"])
        self.assertEqual(len(payload["items"]), 1)
        self.assertEqual(payload["items"][0]["currentImages"], [])
        self.assertEqual(payload["items"][0]["warnings"], ["app-1: broken compose"])

    @patch("monitors.yumi.service_release.frontend_release_enabled", return_value=False)
    @patch("monitors.yumi.service_release.buildable_service_names", return_value=["auth"])
    @patch("monitors.yumi.service_release.service_records_by_name")
    @patch("monitors.yumi.service_release.load_local_host_compose_model", side_effect=RuntimeError("broken compose"))
    def test_build_update_targets_payload_falls_back_repository_when_compose_unavailable(
        self,
        load_local_host_compose_model_mock,
        service_records_by_name_mock,
        buildable_service_names_mock,
        frontend_release_enabled_mock,
    ) -> None:
        del load_local_host_compose_model_mock
        del buildable_service_names_mock, frontend_release_enabled_mock
        service_records_by_name_mock.return_value = {
            "auth": [
                {
                    "host": "app-1",
                    "ip": "10.0.0.1",
                    "instanceId": "ins-app-1",
                    "port": 8080,
                    "path": "/auth",
                }
            ]
        }

        payload = build_update_targets_payload()

        self.assertTrue(payload["ok"])
        self.assertEqual(len(payload["items"]), 1)
        self.assertEqual(payload["items"][0]["repository"], f"{HARBOR_REGISTRY}/{HARBOR_PROJECT}/java/chatapp3-auth")


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