"""Unit: `bot-bottle doctor` host prerequisite checks."""

from __future__ import annotations

import tempfile
import unittest
from pathlib import Path
from unittest.mock import MagicMock, patch

from bot_bottle.cli import doctor


class TestDoctor(unittest.TestCase):
    def test_success_when_prerequisites_present(self):
        with tempfile.TemporaryDirectory() as tmp, patch.object(
            doctor.Path, "home", return_value=Path(tmp),
        ), patch.object(
            doctor.shutil, "which", return_value="/usr/bin/docker",
        ), patch.object(
            doctor.subprocess, "run",
            return_value=MagicMock(returncode=0),
        ):
            Path(tmp, ".bot-bottle").mkdir()
            self.assertEqual(0, doctor.cmd_doctor([]))

    def test_missing_config_fails(self):
        with tempfile.TemporaryDirectory() as tmp, patch.object(
            doctor.Path, "home", return_value=Path(tmp),
        ), patch.object(
            doctor.shutil, "which", return_value="/usr/bin/docker",
        ), patch.object(
            doctor.subprocess, "run",
            return_value=MagicMock(returncode=0),
        ):
            self.assertEqual(1, doctor.cmd_doctor([]))

    def test_missing_docker_fails_before_daemon_check(self):
        with tempfile.TemporaryDirectory() as tmp, patch.object(
            doctor.Path, "home", return_value=Path(tmp),
        ), patch.object(
            doctor.shutil, "which", return_value=None,
        ), patch.object(
            doctor.subprocess, "run",
        ) as run:
            Path(tmp, ".bot-bottle").mkdir()
            self.assertEqual(1, doctor.cmd_doctor([]))
            run.assert_not_called()


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