#!/usr/bin/env python3
"""Pytest configuration and fixtures for GitLab CLI MCP server tests."""

from unittest.mock import MagicMock, patch

import pytest

from mcp_server_gitlab_glab.server import GitLabServer, create_server


@pytest.fixture
def gitlab_server() -> GitLabServer:
    """Fixture for a GitLabServer instance."""
    return GitLabServer()


@pytest.fixture
def mock_subprocess_run() -> MagicMock:
    """Fixture for mocking subprocess.run."""
    with patch("subprocess.run") as mock_run:
        yield mock_run


@pytest.fixture
def mock_successful_command(mock_subprocess_run: MagicMock) -> MagicMock:
    """Fixture for mocking a successful command execution."""
    mock_process = MagicMock()
    mock_process.returncode = 0
    mock_process.stdout = "command output"
    mock_process.stderr = ""
    mock_subprocess_run.return_value = mock_process
    return mock_subprocess_run


@pytest.fixture
def mock_failed_command(mock_subprocess_run: MagicMock) -> MagicMock:
    """Fixture for mocking a failed command execution."""
    mock_process = MagicMock()
    mock_process.returncode = 1
    mock_process.stdout = ""
    mock_process.stderr = "command failed"
    mock_subprocess_run.return_value = mock_process
    return mock_subprocess_run


@pytest.fixture
def mock_auth_error_command(mock_subprocess_run: MagicMock) -> MagicMock:
    """Fixture for mocking an authentication error command execution."""
    mock_process = MagicMock()
    mock_process.returncode = 1
    mock_process.stdout = ""
    mock_process.stderr = "authentication required"
    mock_subprocess_run.return_value = mock_process
    return mock_subprocess_run


@pytest.fixture
def mock_successful_api_command(mock_subprocess_run: MagicMock) -> MagicMock:
    """Fixture for mocking a successful API command execution."""
    mock_process = MagicMock()
    mock_process.returncode = 0
    mock_process.stdout = '[{"id": 1, "name": "test-project"}]'
    mock_process.stderr = ""
    mock_subprocess_run.return_value = mock_process
    return mock_subprocess_run


@pytest.fixture
def mock_empty_api_command(mock_subprocess_run: MagicMock) -> MagicMock:
    """Fixture for mocking an API command with empty results."""
    mock_process = MagicMock()
    mock_process.returncode = 0
    mock_process.stdout = "[]"
    mock_process.stderr = ""
    mock_subprocess_run.return_value = mock_process
    return mock_subprocess_run


@pytest.fixture
def mock_invalid_json_api_command(mock_subprocess_run: MagicMock) -> MagicMock:
    """Fixture for mocking an API command with invalid JSON response."""
    mock_process = MagicMock()
    mock_process.returncode = 0
    mock_process.stdout = "invalid json"
    mock_process.stderr = ""
    mock_subprocess_run.return_value = mock_process
    return mock_subprocess_run


@pytest.fixture
def mock_command_not_found(mock_subprocess_run: MagicMock) -> MagicMock:
    """Fixture for mocking a command not found error."""
    mock_subprocess_run.side_effect = FileNotFoundError(
        "No such file or directory: 'glab'"
    )
    return mock_subprocess_run


@pytest.fixture
def mcp_server() -> MagicMock:
    """Fixture for a mocked MCP server."""
    with patch("mcp.server.fastmcp.FastMCP") as mock_fastmcp:
        mock_server = MagicMock()
        mock_fastmcp.return_value = mock_server
        yield create_server()