"""Agent preflight: COMPANY_CONTEXT=PASS/FAIL for one Firebird database (READ-ONLY).

    python agent/scripts/preflight_company_context.py [--database <FDB>]

Configuration (environment or the local ignored .env): COMPANY_CODE / COMPANY_CNPJ (company selection when C000004 is ambiguous),
COMPANY_CRT_SOURCE = EMISSOR | C000004 (explicit choice when the two CRT sources disagree). The full CNPJ is never printed.
"""
import argparse
import json
import os
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[2]
sys.path.insert(0, str(ROOT / "agent" / "src"))
from gti_fiscal_agent.company_context import preflight_company_context, preflight_report  # noqa: E402


def load_dotenv(path):
    if path.exists():
        for line in path.read_text(encoding="utf-8").splitlines():
            if "=" in line and not line.startswith("#"):
                k, _, v = line.partition("=")
                os.environ.setdefault(k.strip(), v.strip())


def main(argv=None):
    ap = argparse.ArgumentParser()
    ap.add_argument("--database")
    a = ap.parse_args(argv)
    load_dotenv(ROOT / ".env")
    if a.database:
        os.environ["FIREBIRD_DATABASE_PATH"] = a.database
    report = preflight_report(preflight_company_context(os.environ))
    print(json.dumps(report, ensure_ascii=False, indent=1))
    raise SystemExit(0 if report["COMPANY_CONTEXT"] == "PASS" else 2)


if __name__ == "__main__":
    main()