from __future__ import annotations

import json
from pathlib import Path

from .model import RunReport


def write_report(report: RunReport, output: str | Path) -> None:
    path = Path(output)
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(json.dumps(report.as_dict(), indent=2, sort_keys=True) + "\n", encoding="utf-8")


def risk_nexus_message(report: RunReport) -> str:
    lines = [
        f"Whitehat run `{report.run_id}`: **{report.outcome}**",
        "",
        f"- evidence class: `{report.evidence_class}`",
        f"- target: `{report.target}` at `{report.target_revision}`",
        f"- posture/model: `{report.posture_claim}` / `{report.attacker_model}`",
        f"- engagement/authorization: `{report.engagement_id}` / `{report.authorization_id}`",
        f"- attempted operations: {report.attempted_operations}",
        f"- interval: {report.started_at} to {report.ended_at}",
        "",
        report.assurance_statement,
    ]
    if report.outcome == "finding":
        lines.extend(["", "Reporter supplies facts only; risk-nexus owns severity and disclosure."])
    return "\n".join(lines) + "\n"