"""Unit tests for runner_manager module."""

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

import pytest

from gitea_runner_manager.api_client import GiteaAPIClient
from gitea_runner_manager.exceptions import AnsibleError
from gitea_runner_manager.runner_manager import RunnerManager


class TestRunnerManager:
    def test_list_runners(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        api.get_runners.return_value = [{"id": 1, "name": "r1"}]
        manager = RunnerManager(api)
        runners = manager.list_runners()
        assert runners == [{"id": 1, "name": "r1"}]

    def test_generate_token(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        api.create_registration_token.return_value = "token123"
        manager = RunnerManager(api)
        token = manager.generate_token()
        assert token == "token123"

    def test_install_without_name_or_token(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        api.base_url = "https://git.example.com"
        api.create_registration_token.return_value = "auto-token"
        manager = RunnerManager(api)

        with patch("subprocess.run") as mock_run:
            mock_run.return_value = MagicMock(returncode=0)
            manager.install("192.168.1.10", "ubuntu")
            mock_run.assert_called_once()
            cmd = mock_run.call_args[0][0]
            cmd_str = " ".join(cmd)
            assert "ansible-playbook" in cmd_str
            assert "192.168.1.10," in cmd_str
            assert "-u" in cmd_str
            assert "ubuntu" in cmd_str
            assert "registration_token=auto-token" in cmd_str
            assert "runner_name=192.168.1.10" in cmd_str
            assert "gitea_url=https://git.example.com" in cmd_str

    def test_install_with_name_and_token(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        api.base_url = "https://git.example.com"
        manager = RunnerManager(api)

        with patch("subprocess.run") as mock_run:
            mock_run.return_value = MagicMock(returncode=0)
            manager.install("host1", "root", key="/key", name="my-runner", token="preset")
            cmd = mock_run.call_args[0][0]
            cmd_str = " ".join(cmd)
            assert "--private-key" in cmd_str
            assert "/key" in cmd_str
            assert "registration_token=preset" in cmd_str
            assert "runner_name=my-runner" in cmd_str
            api.create_registration_token.assert_not_called()

    def test_install_playbook_not_found(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        api.base_url = "https://git.example.com"
        manager = RunnerManager(api)
        with patch.object(Path, "exists", return_value=False):
            with pytest.raises(AnsibleError, match="Playbook not found"):
                manager.install("host", "user")

    def test_install_ansible_failure(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        api.base_url = "https://git.example.com"
        api.create_registration_token.return_value = "tok"
        manager = RunnerManager(api)
        with patch("subprocess.run") as mock_run:
            mock_run.return_value = MagicMock(returncode=1)
            with pytest.raises(AnsibleError, match="Ansible failed with exit code 1"):
                manager.install("host", "user")

    def test_update(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        manager = RunnerManager(api)
        with patch("subprocess.run") as mock_run:
            mock_run.return_value = MagicMock(returncode=0)
            manager.update("host", "user", key="/key", version="v0.2.0")
            cmd = mock_run.call_args[0][0]
            cmd_str = " ".join(cmd)
            assert "update-runner.yml" in cmd_str
            assert "--private-key" in cmd_str
            assert "/key" in cmd_str
            assert "act_runner_version=v0.2.0" in cmd_str

    def test_update_playbook_not_found(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        manager = RunnerManager(api)
        with patch.object(Path, "exists", return_value=False):
            with pytest.raises(AnsibleError, match="Playbook not found"):
                manager.update("host", "user")

    def test_update_ansible_failure(self) -> None:
        api = MagicMock(spec=GiteaAPIClient)
        manager = RunnerManager(api)
        with patch("subprocess.run") as mock_run:
            mock_run.return_value = MagicMock(returncode=2)
            with pytest.raises(AnsibleError, match="Ansible failed with exit code 2"):
                manager.update("host", "user")