import os
import tempfile
from app.tools.file_scanner import scan_repository, get_python_files
from app.tools.ast_parser import parse_python_file


def test_scan_repository_empty_dir():
    with tempfile.TemporaryDirectory() as tmpdir:
        result = scan_repository(tmpdir)
    assert result["total_files"] == 0
    assert result["primary_language"] == "Unknown"


def test_get_python_files_finds_py():
    with tempfile.TemporaryDirectory() as tmpdir:
        path = os.path.join(tmpdir, "sample.py")
        with open(path, "w") as f:
            f.write("x = 1\n")
        files = get_python_files(tmpdir)
    assert any("sample.py" in f for f in files)


def test_parse_python_file_extracts_functions():
    with tempfile.TemporaryDirectory() as tmpdir:
        path = os.path.join(tmpdir, "sample.py")
        with open(path, "w") as f:
            f.write("def hello():\n    pass\n")
        result = parse_python_file(path)
    assert any(fn["name"] == "hello" for fn in result["functions"])