from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "scripts"))

from route_1c_question import route_question  # noqa: E402


DEFAULT_INDEX = ROOT / "reports" / "1c-sql" / "upo" / "unified-object-route-index.json"


CASES = [
    {
        "id": "docs_only_form_open",
        "question": "Как работает событие ПриОткрытии формы?",
        "expected_route": "docs_rag",
        "expected_fact_paths": [],
    },
    {
        "id": "current_fact_extension_attribute",
        "question": "Есть ли реквизит ДатаСоздания у документа ПриходнаяНакладная?",
        "expected_route": "current_config_fact",
        "expected_fact_paths": ["Документ.ПриходнаяНакладная.ДатаСоздания"],
        "expected_exists": {"Документ.ПриходнаяНакладная.ДатаСоздания": True},
    },
    {
        "id": "rag_example_requires_current_fact_check",
        "question": "В примере RAG есть реквизит Артикул у справочника Номенклатура. Напиши код для текущей базы.",
        "expected_route": "mixed_docs_and_current_config",
        "expected_fact_paths": ["Справочник.Номенклатура.Артикул"],
        "expected_risk": "example_is_not_current_fact",
    },
]


def fact_exists_by_path(route: dict) -> dict[str, bool | None]:
    result = {}
    for row in route.get("fact_checks") or []:
        path = row.get("path")
        if not path:
            continue
        if row.get("status") != "checked":
            result[path] = None
        else:
            result[path] = bool((row.get("result") or {}).get("exists"))
    return result


def run_case(case: dict, *, index: Path, view: str) -> dict:
    route = route_question(case["question"], index_path=index, view=view)
    failures = []
    decision = route.get("decision") or {}
    if decision.get("route") != case.get("expected_route"):
        failures.append({"code": "route_mismatch", "expected": case.get("expected_route"), "actual": decision.get("route")})

    actual_paths = route.get("fact_paths") or []
    expected_paths = case.get("expected_fact_paths") or []
    if actual_paths != expected_paths:
        failures.append({"code": "fact_paths_mismatch", "expected": expected_paths, "actual": actual_paths})

    expected_risk = case.get("expected_risk")
    if expected_risk:
        risks = {row.get("code") for row in route.get("source_risks") or []}
        if expected_risk not in risks:
            failures.append({"code": "risk_missing", "expected": expected_risk, "actual": sorted(risks)})

    exists = fact_exists_by_path(route)
    for path, expected in (case.get("expected_exists") or {}).items():
        if exists.get(path) is not expected:
            failures.append({"code": "fact_exists_mismatch", "path": path, "expected": expected, "actual": exists.get(path)})

    return {
        "id": case["id"],
        "status": "passed" if not failures else "failed",
        "question": case["question"],
        "failures": failures,
        "route": {
            "decision": route.get("decision"),
            "source_risks": route.get("source_risks"),
            "fact_paths": route.get("fact_paths"),
            "fact_exists": exists,
        },
    }


def run_check(index: Path, *, view: str) -> dict:
    if not index.exists():
        return {
            "schema": "onec_question_router_check.v1",
            "status": "failed",
            "error": f"route index not found: {index}",
            "cases": [],
        }
    results = [run_case(case, index=index, view=view) for case in CASES]
    return {
        "schema": "onec_question_router_check.v1",
        "status": "ok" if all(row["status"] == "passed" for row in results) else "failed",
        "index": str(index),
        "view": view,
        "case_count": len(results),
        "cases": results,
    }


def main() -> int:
    parser = argparse.ArgumentParser(description="Check 1C question router behavior.")
    parser.add_argument("--index", type=Path, default=DEFAULT_INDEX)
    parser.add_argument("--view", choices=["effective", "base"], default="effective")
    parser.add_argument("--output", type=Path)
    parser.add_argument("--print", action="store_true")
    args = parser.parse_args()

    report = run_check(args.index, view=args.view)
    if args.output:
        args.output.parent.mkdir(parents=True, exist_ok=True)
        args.output.write_text(json.dumps(report, ensure_ascii=False, indent=2) + "\n", encoding="utf-8")
    if args.print or not args.output:
        print(json.dumps(report, ensure_ascii=False, indent=2))
    return 0 if report["status"] == "ok" else 1


if __name__ == "__main__":
    raise SystemExit(main())