"""Unit tests for scripts/configure_repo.py."""

from unittest.mock import MagicMock, patch

import click
import pytest

from gitea_runner_manager.config import BRANCH_PROTECTION_CONFIG, REPO_SETTINGS_CONFIG
from gitea_runner_manager.exceptions import APIError
from scripts.configure_repo import _handle_http_error, main


class TestHandleHttpError:
    def test_forbidden_raises_click_exception(self) -> None:
        with pytest.raises(click.ClickException, match="Forbidden"):
            _handle_http_error(APIError(403, "Forbidden"))

    def test_other_error_raises_click_exception(self) -> None:
        with pytest.raises(click.ClickException, match="HTTP error"):
            _handle_http_error(APIError(500, "Server error"))


class TestMain:
    @patch.dict("os.environ", {"REPO_TOKEN": "tok"}, clear=True)
    @patch("scripts.configure_repo.GiteaClient")
    def test_main_success(self, mock_client_cls: MagicMock) -> None:
        mock_client = MagicMock()
        mock_client_cls.return_value = mock_client

        with click.Context(click.Command("test")):
            main()

        mock_client.ensure_branch_protection.assert_called_once_with("master", BRANCH_PROTECTION_CONFIG)
        mock_client.update_repo_settings.assert_called_once_with(REPO_SETTINGS_CONFIG)

    @patch.dict("os.environ", {"REPO_TOKEN": "tok"}, clear=True)
    @patch("scripts.configure_repo.GiteaClient")
    def test_main_api_error(self, mock_client_cls: MagicMock) -> None:
        mock_client = MagicMock()
        mock_client.ensure_branch_protection.side_effect = APIError(403, "Forbidden")
        mock_client_cls.return_value = mock_client

        with pytest.raises(click.ClickException, match="Forbidden"):
            main()

    @patch.dict("os.environ", {}, clear=True)
    def test_main_no_token(self) -> None:
        with pytest.raises(click.ClickException, match="REPO_TOKEN"):
            main()


def test_main_module_block() -> None:
    with patch.dict("os.environ", {"REPO_TOKEN": "tok"}, clear=True):
        with patch("scripts.configure_repo.GiteaClient") as mock_client_cls:
            mock_client = MagicMock()
            mock_client_cls.return_value = mock_client
            import scripts.configure_repo as cr

            with open(cr.__file__) as f:
                source = f.read()
            source = source.replace('if __name__ == "__main__":\n    main()  # pragma: no cover\n', "")
            namespace = dict(cr.__dict__)
            exec(compile(source, cr.__file__, "exec"), namespace)
            namespace["GiteaClient"] = mock_client_cls
            namespace["main"]()
            mock_client.ensure_branch_protection.assert_called_once_with("master", BRANCH_PROTECTION_CONFIG)
            mock_client.update_repo_settings.assert_called_once_with(REPO_SETTINGS_CONFIG)