"""Adapter: osv-scanner --format json normalized to Finding[]."""
from __future__ import annotations

import json

from scripts.manifest import Finding


def parse_osv_scanner_output(stdout: str) -> list[Finding]:
    try:
        payload = json.loads(stdout)
    except json.JSONDecodeError:
        return []
    out: list[Finding] = []
    for r in payload.get("results", []):
        manifest_path = r.get("source", {}).get("path", "")
        for pkg in r.get("packages", []):
            p = pkg.get("package", {})
            name = p.get("name", "")
            version = p.get("version", "")
            for v in pkg.get("vulnerabilities", []):
                out.append(Finding(
                    tool="osv-scanner",
                    rule_id=v.get("id", ""),
                    severity="high",
                    file=manifest_path,
                    line=1,
                    end_line=1,
                    message=f"{name} {version}: {v.get('summary', '')}",
                ))
    return out