from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path

from common import read_json, search_lexical_index
from rag_profiles import resolve_rag_profile


ROOT = Path(__file__).resolve().parents[1]
DEFAULT_INDEX = ROOT / "plugins" / "1c" / "datasets" / "prepared" / "rag_index.json"
DEFAULT_CASES = ROOT / "plugins" / "1c" / "rag" / "quality-smoke.json"


def load_cases(path: Path) -> list[dict]:
    data = read_json(path)
    cases = data.get("cases")
    if not isinstance(cases, list):
        raise ValueError(f"{path} must contain a cases list")
    return cases


def case_text(results: list[dict]) -> str:
    return "\n".join((result["document"].get("content") or "") for result in results).lower()


def run_case(index: dict, case: dict, limit: int) -> dict:
    profile = resolve_rag_profile(case.get("profile") or "auto", str(case["query"]))
    results = search_lexical_index(
        index,
        str(case["query"]),
        limit=limit or int(profile["limit"]),
        candidate_limit=int(profile["candidate_limit"]),
        dedupe_by_document=bool(profile["dedupe_by_document"]),
        min_score=float(profile["min_score"]),
        source_types=profile["source_types"],
    )
    text = case_text(results)
    missing = [word for word in case.get("must_contain") or [] if str(word).lower() not in text]
    return {
        "id": case.get("id"),
        "profile": profile["id"],
        "query": case.get("query"),
        "status": "passed" if results and not missing else "failed",
        "missing": missing,
        "top_sources": [
            {
                "source_path": result["document"].get("source_path"),
                "title": result["document"].get("title"),
                "chunk_index": result["document"].get("chunk_index"),
                "score": round(float(result.get("score") or 0), 4),
            }
            for result in results
        ],
    }


def main() -> int:
    parser = argparse.ArgumentParser(description="Run smoke quality checks for the 1C RAG index.")
    parser.add_argument("--index", type=Path, default=DEFAULT_INDEX)
    parser.add_argument("--cases", type=Path, default=DEFAULT_CASES)
    parser.add_argument("--limit", type=int, default=5)
    parser.add_argument("--print", action="store_true")
    args = parser.parse_args()

    index = read_json(args.index)
    results = [run_case(index, case, args.limit) for case in load_cases(args.cases)]
    report = {
        "status": "ok" if all(result["status"] == "passed" for result in results) else "failed",
        "case_count": len(results),
        "results": results,
    }
    if args.print:
        print(json.dumps(report, ensure_ascii=False, indent=2))
    else:
        print(f"1C RAG quality status: {report['status']}")
    if report["status"] != "ok":
        for result in results:
            if result["status"] != "passed":
                print(f"- {result['id']}: missing {result['missing']}", file=sys.stderr)
    return 0 if report["status"] == "ok" else 1


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