from pathlib import Path
from tempfile import TemporaryDirectory

import pytest

from app.models.project import ProjectManager


def test_project_paths_reject_traversal_and_absolute_components():
    with TemporaryDirectory() as temp_dir:
        original = ProjectManager.PROJECTS_DIR
        ProjectManager.PROJECTS_DIR = temp_dir
        try:
            with pytest.raises(ValueError, match="invalid_project_id"):
                ProjectManager._get_project_dir("../escape")
            with pytest.raises(ValueError, match="invalid_project_id"):
                ProjectManager._get_project_dir("/tmp/escape")
            assert ProjectManager.get_project("../escape") is None
        finally:
            ProjectManager.PROJECTS_DIR = original


def test_project_metadata_write_leaves_no_partial_temp_file():
    with TemporaryDirectory() as temp_dir:
        original = ProjectManager.PROJECTS_DIR
        ProjectManager.PROJECTS_DIR = temp_dir
        try:
            project = ProjectManager.create_project("atomic")
            assert ProjectManager.get_project(project.project_id) is not None
            project_files = {path.name for path in Path(temp_dir, project.project_id).iterdir()}
            assert project_files == {"project.json", "files"}
        finally:
            ProjectManager.PROJECTS_DIR = original