"""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, sort_key="name", show_description=True
        )

    @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)


class TestParseArgsSort:
    """Test --sort argument parsing."""

    def test_sort_default(self):
        """Without --sort, default is 'name'."""
        from gitea_dashboard.cli import parse_args

        args = parse_args([])
        assert args.sort == "name"

    def test_sort_issues(self):
        """--sort issues is accepted."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["--sort", "issues"])
        assert args.sort == "issues"

    def test_sort_short_flag(self):
        """-s activity is accepted."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["-s", "activity"])
        assert args.sort == "activity"

    def test_sort_invalid(self):
        """--sort invalid raises SystemExit (argparse error)."""
        from gitea_dashboard.cli import parse_args

        with pytest.raises(SystemExit):
            parse_args(["--sort", "invalid"])


class TestParseArgsFormat:
    """Test --format argument parsing."""

    def test_format_default(self):
        """Without --format, default is 'table'."""
        from gitea_dashboard.cli import parse_args

        args = parse_args([])
        assert args.format == "table"

    def test_format_json(self):
        """--format json is accepted."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["--format", "json"])
        assert args.format == "json"

    def test_format_short_flag(self):
        """-f json is accepted."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["-f", "json"])
        assert args.format == "json"

    def test_format_invalid(self):
        """--format invalid raises SystemExit."""
        from gitea_dashboard.cli import parse_args

        with pytest.raises(SystemExit):
            parse_args(["--format", "invalid"])


class TestParseArgsHealth:
    """Test --health argument parsing."""

    def test_parse_args_health(self):
        """--health sets health=True."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["--health"])
        assert args.health is True

    def test_parse_args_no_health_default(self):
        """Without --health, health is False."""
        from gitea_dashboard.cli import parse_args

        args = parse_args([])
        assert args.health is False


class TestParseArgsNoDesc:
    """Test --no-desc argument parsing."""

    def test_parse_args_no_desc(self):
        """--no-desc sets no_desc=True."""
        from gitea_dashboard.cli import parse_args

        args = parse_args(["--no-desc"])
        assert args.no_desc is True

    def test_parse_args_no_desc_default(self):
        """Without --no-desc, no_desc is False."""
        from gitea_dashboard.cli import parse_args

        args = parse_args([])
        assert args.no_desc is False


class TestMainHealth:
    """Test main() with --health."""

    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_health_success(self, mock_client_cls, capsys):
        """--health displays version and repo count, exits normally."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client = MagicMock()
        mock_client_cls.return_value = mock_client
        mock_client.get_version.return_value = {"version": "1.21.0"}
        mock_client.get_repos.return_value = [{"id": 1}, {"id": 2}, {"id": 3}]

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

        captured = capsys.readouterr()
        assert "Gitea v1.21.0" in captured.err
        assert "3 repos accessibles" in captured.err

    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_health_connection_error(self, mock_client_cls):
        """--health with connection error exits with code 1."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client = MagicMock()
        mock_client_cls.return_value = mock_client
        mock_client.get_version.side_effect = requests.ConnectionError("refused")

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

        assert exc_info.value.code == 1

    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_health_version_ok_repos_fail(self, mock_client_cls):
        """--health : get_version reussit mais get_repos leve HTTPError -> exit 1.

        Verifie le cas d'un health check partiel : l'instance Gitea repond
        sur /version mais l'acces aux repos echoue (ex: token sans permissions).
        """
        env = {"GITEA_TOKEN": "test-token"}
        mock_client = MagicMock()
        mock_client_cls.return_value = mock_client
        mock_client.get_version.return_value = {"version": "1.21.0"}
        mock_client.get_repos.side_effect = requests.HTTPError("403 Forbidden")

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

        assert exc_info.value.code == 1


class TestMainNoDesc:
    """Test main() with --no-desc."""

    @patch("gitea_dashboard.cli.render_dashboard")
    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_main_passes_no_desc_to_render(self, mock_client_cls, mock_collect, mock_render):
        """--no-desc passes show_description=False to render_dashboard."""
        env = {"GITEA_TOKEN": "test-token"}
        mock_client_cls.return_value = MagicMock()
        mock_collect.return_value = []

        with patch.dict("os.environ", env, clear=True):
            main(["--no-desc"])

        mock_render.assert_called_once_with(
            mock_collect.return_value, sort_key="name", show_description=False
        )


class TestMainFormatJson:
    """Test main() with --format json."""

    @patch("gitea_dashboard.cli.collect_all")
    @patch("gitea_dashboard.cli.GiteaClient")
    def test_json_output(self, mock_client_cls, mock_collect, capsys):
        """--format json produces valid JSON on stdout."""
        import json

        env = {"GITEA_TOKEN": "test-token"}
        mock_client_cls.return_value = MagicMock()
        mock_collect.return_value = []

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

        captured = capsys.readouterr()
        parsed = json.loads(captured.out)
        assert isinstance(parsed, list)