import json

from scripts.adapters.interrogate import parse_interrogate_output


def test_parses_missing_public_docstring():
    payload = {
        "files": {
            "src/foo.py": {
                "missing": [
                    {"name": "src/foo.py:my_public_fn", "type": "function", "lineno": 12, "private": False}
                ]
            }
        }
    }
    findings = parse_interrogate_output(json.dumps(payload))
    assert len(findings) == 1
    f = findings[0]
    assert f.tool == "interrogate"
    assert f.file == "src/foo.py"
    assert f.line == 12
    assert "my_public_fn" in f.message
    assert f.rule_id == "interrogate:missing-docstring"


def test_skips_private_symbol():
    payload = {
        "files": {
            "src/foo.py": {
                "missing": [
                    {"name": "src/foo.py:_helper", "type": "function", "lineno": 30, "private": True}
                ]
            }
        }
    }
    assert parse_interrogate_output(json.dumps(payload)) == []


def test_skips_underscore_named_symbol_even_if_private_false():
    payload = {
        "files": {
            "src/foo.py": {
                "missing": [
                    {"name": "src/foo.py:_internal", "type": "function", "lineno": 5, "private": False}
                ]
            }
        }
    }
    assert parse_interrogate_output(json.dumps(payload)) == []


def test_low_severity_always():
    payload = {
        "files": {
            "src/foo.py": {
                "missing": [
                    {"name": "src/foo.py:pub_fn", "type": "function", "lineno": 1, "private": False}
                ]
            }
        }
    }
    findings = parse_interrogate_output(json.dumps(payload))
    assert findings[0].severity == "low"


def test_empty_or_malformed_input():
    assert parse_interrogate_output("") == []
    assert parse_interrogate_output("not json") == []
    assert parse_interrogate_output("{}") == []