"""Tests for CLI entry point."""

from unittest.mock import MagicMock, patch

import pytest
import requests

from gitea_dashboard.cli import main


class TestMainNominal:
    """Test main() happy path."""

    @patch("gitea_dashboard.cli.render_dashboard")
    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_runs_full_pipeline(self, mock_client_cls, mock_collect, mock_render):
        """main() creates client, collects, and renders."""
        env = {"GITEA_TOKEN": "test-token-123", "GITEA_URL": "http://localhost:3000"}
        mock_client = MagicMock()
        mock_client_cls.return_value = mock_client
        mock_collect.return_value = []

        with patch.dict("os.environ", env, clear=False):
            main([])

        mock_client_cls.assert_called_once_with("http://localhost:3000", "test-token-123")
        mock_collect.assert_called_once_with(mock_client, include=None, exclude=None)
        mock_render.assert_called_once_with(mock_collect.return_value)

    @patch("gitea_dashboard.cli.render_dashboard")
    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_uses_default_url(self, mock_client_cls, mock_collect, mock_render):
        """main() uses default URL when GITEA_URL is not set."""
        env = {"GITEA_TOKEN": "my-token"}
        mock_client_cls.return_value = MagicMock()
        mock_collect.return_value = []

        with patch.dict("os.environ", env, clear=True):
            main([])

        mock_client_cls.assert_called_once_with("http://192.168.0.106:3000", "my-token")


class TestMainMissingToken:
    """Test main() when GITEA_TOKEN is not set."""

    def test_error_message_when_token_missing(self, capsys):
        """main() exits with code 1 and prints message mentioning GITEA_TOKEN."""
        with patch.dict("os.environ", {}, clear=True):
            with pytest.raises(SystemExit) as exc_info:
                main([])

        assert exc_info.value.code == 1
        captured = capsys.readouterr()
        assert "GITEA_TOKEN" in captured.err


class TestMainConnectionErrors:
    """Test main() error handling for network issues."""

    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_connection_error_handled(self, mock_client_cls, mock_collect):
        """ConnectionError is caught and exits with code 1."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client_cls.return_value = MagicMock()
        mock_collect.side_effect = requests.ConnectionError("Connection refused")

        with patch.dict("os.environ", env, clear=True):
            with pytest.raises(SystemExit) as exc_info:
                main([])

        assert exc_info.value.code == 1

    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_timeout_error_handled(self, mock_client_cls, mock_collect):
        """Timeout is caught and exits with code 1."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client_cls.return_value = MagicMock()
        mock_collect.side_effect = requests.Timeout("Request timed out")

        with patch.dict("os.environ", env, clear=True):
            with pytest.raises(SystemExit) as exc_info:
                main([])

        assert exc_info.value.code == 1

    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_request_exception_handled(self, mock_client_cls, mock_collect):
        """Generic RequestException is caught and exits with code 1."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client_cls.return_value = MagicMock()
        mock_collect.side_effect = requests.RequestException("Something went wrong")

        with patch.dict("os.environ", env, clear=True):
            with pytest.raises(SystemExit) as exc_info:
                main([])

        assert exc_info.value.code == 1

    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_token_not_in_error_output(self, mock_client_cls, mock_collect, capsys):
        """Token must never appear in error messages, even when present in the exception."""
        env = {"GITEA_TOKEN": "super-secret-token-xyz"}
        mock_client_cls.return_value = MagicMock()

        # Build exception message that embeds the token value from env
        # to simulate a real-world leak scenario
        def make_exc(environ):
            leaked = environ["GITEA_TOKEN"]
            return requests.RequestException(f"HTTP Error: Authorization token {leaked} rejected")

        import os as _os

        with patch.dict("os.environ", env, clear=True):
            mock_collect.side_effect = make_exc(_os.environ)
            with pytest.raises(SystemExit):
                main([])

        captured = capsys.readouterr()
        assert env["GITEA_TOKEN"] not in captured.out
        assert env["GITEA_TOKEN"] not in captured.err


class TestParseArgs:
    """Test parse_args function."""

    def test_no_options(self):
        """No arguments returns None for both repo and exclude."""
        from gitea_dashboard.cli import parse_args

        args = parse_args([])
        assert args.repo is None
        assert args.exclude is None

    def test_single_repo(self):
        """--repo foo returns repo=["foo"]."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["--repo", "foo"])
        assert args.repo == ["foo"]

    def test_multiple_repo(self):
        """--repo foo --repo bar returns repo=["foo", "bar"]."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["--repo", "foo", "--repo", "bar"])
        assert args.repo == ["foo", "bar"]

    def test_short_flags(self):
        """-r foo -x bar works like long forms."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["-r", "foo", "-x", "bar"])
        assert args.repo == ["foo"]
        assert args.exclude == ["bar"]


class TestMainWithFilters:
    """Test main() passes filters to collect_all."""

    @patch("gitea_dashboard.cli.render_dashboard")
    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_passes_filters(self, mock_client_cls, mock_collect, mock_render):
        """main() passes include/exclude from CLI args to collect_all."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client = MagicMock()
        mock_client_cls.return_value = mock_client
        mock_collect.return_value = []

        with patch.dict("os.environ", env, clear=True):
            main(["--repo", "dash", "--exclude", "old"])

        mock_collect.assert_called_once_with(mock_client, include=["dash"], exclude=["old"])

    @patch("gitea_dashboard.cli.render_dashboard")
    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_no_filters_passes_none(self, mock_client_cls, mock_collect, mock_render):
        """Without options, collect_all is called with include=None, exclude=None."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client = MagicMock()
        mock_client_cls.return_value = mock_client
        mock_collect.return_value = []

        with patch.dict("os.environ", env, clear=True):
            main([])

        mock_collect.assert_called_once_with(mock_client, include=None, exclude=None)