"""Adapter: bandit -f json normalized to Finding[]."""
from __future__ import annotations

import json

from scripts.manifest import Finding


_SEVERITY = {"HIGH": "high", "MEDIUM": "medium", "LOW": "low"}


def parse_bandit_output(stdout: str) -> list[Finding]:
    try:
        payload = json.loads(stdout)
    except json.JSONDecodeError:
        return []
    out: list[Finding] = []
    for result in payload.get("results", []):
        line_range = result.get("line_range") or [result.get("line_number"), result.get("line_number")]
        out.append(Finding(
            tool="bandit",
            rule_id=result.get("test_id", ""),
            severity=_SEVERITY.get(result.get("issue_severity", ""), "medium"),
            file=result.get("filename", ""),
            line=line_range[0],
            end_line=line_range[-1],
            message=result.get("issue_text", ""),
        ))
    return out