"""Persists the Agent's RTC auto-apply audit records (append-only) and mirrors a summary event for the panel."""
from __future__ import annotations

from .events import record_event
from .models import RtcWriteAudit

MAX_AUDITS_PER_JOB = 2000


def record_rtc_write_audits(session, *, tenant_id: int, installation, agent, job_id: int | None, rtc_auto_apply: dict | None) -> int:
    """Stores every applied/aborted write of the job. Never trusts the Agent for identity: tenant/installation/agent come from the authenticated context."""
    if not isinstance(rtc_auto_apply, dict):
        return 0
    records = list(rtc_auto_apply.get("applied") or []) + list(rtc_auto_apply.get("aborted") or [])
    stored = applied = aborted = 0
    for item in records[:MAX_AUDITS_PER_JOB]:
        if not isinstance(item, dict) or item.get("field") != "CCLASSTRIB":
            continue
        session.add(RtcWriteAudit(
            tenant_id=tenant_id, installation_id=installation.id, agent_id=agent.id, job_id=job_id, client=getattr(installation, "display_name", None),
            product_code=str(item.get("product_code", ""))[:64], field="CCLASSTRIB", outcome=str(item.get("outcome", ""))[:16], reason=(item.get("reason") or None) and str(item["reason"])[:96],
            old_value=(None if item.get("old_value") is None else str(item["old_value"])[:64]), new_value=(None if item.get("new_value") is None else str(item["new_value"])[:64]),
            rule_id=(item.get("rule_id") or None) and str(item["rule_id"])[:32], evidence=item.get("evidence") or {}, official_source_version=item.get("official_source_version") or {},
            local_catalog_hash=item.get("local_catalog_hash"), written_at=item.get("timestamp")))
        stored += 1
        if item.get("outcome") == "APPLIED":
            applied += 1
        else:
            aborted += 1
    if stored:
        record_event(session, tenant_id=tenant_id, installation_id=installation.id, agent_id=agent.id, severity="WARNING" if applied else "INFO", event_type="RTC_AUTO_APPLY", job_id=job_id,
                     message=f"cClassTrib preenchido em {applied} produto(s); {aborted} abortado(s)",
                     context={"applied": applied, "aborted": aborted, "reasons": rtc_auto_apply.get("aborted_reasons") or {}, "mode": rtc_auto_apply.get("mode")})
    if stored:
        session.commit()
    return stored