"""执行 NL2SQL 真实依赖和元数据链路验收。"""
from __future__ import annotations

import asyncio
import argparse
import sys
from pathlib import Path
from uuid import uuid4

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))

from config import database
from config.database.milvus import client as milvus_client
from config.settings import settings
from nl2sql.contracts import DataQueryRequest
from nl2sql.health import check_nl2sql_health
from nl2sql.milvus_collections import NL2SQL_COLLECTION
from nl2sql.retrieval import retrieve_metadata
from nl2sql.schema import load_authoritative_schema
from service.nl2sql.query_service import execute_query
from service.nl2sql.permission_service import load_query_permission
from tool.llm import llm


async def run_real_query(user_id: int, question: str, *, query_id: str | None = None) -> dict:
    """使用已有员工权限执行一条真实查询，只输出脱敏统计。"""
    from config.database.mysql import get_session_factory

    query_id = query_id or uuid4().hex
    try:
        async with get_session_factory()() as db:
            permission = await load_query_permission(db, user_id)
            if not permission.get("can_query"):
                return {"query_status": "permission_denied", "user_id": user_id}

            async def permission_loader(_user_id: int):
                return permission

            async def metadata_retriever(text_value: str):
                return await retrieve_metadata(text_value, milvus_client())

            async def schema_loader(table_names: set[str], _permission: dict):
                return await load_authoritative_schema(
                    db,
                    database=settings.mysql.database,
                    candidate_tables=table_names,
                )

            result = await execute_query(
                DataQueryRequest(
                    question=question,
                    user_id=user_id,
                    trace_id=f"nl2sql-e2e-{query_id}",
                    include_sql=False,
                ),
                session=db,
                query_id=query_id,
                permission_loader=permission_loader,
                metadata_retriever=metadata_retriever,
                schema_loader=schema_loader,
                llm_client=llm,
                summary_llm=llm,
                masks=permission.get("masks"),
            )
            return {
                "query_status": "success",
                "row_count": result.row_count,
                "truncated": result.truncated,
                "columns": result.columns,
                "has_summary": bool(result.summary),
            }
    except Exception as exc:  # noqa: BLE001 验收脚本输出结构化失败摘要
        return {"query_status": "failed", "error_type": type(exc).__name__}


def summarize_real_queries(results: list[dict]) -> dict:
    """汇总真实查询结果，只保留状态和数量统计。"""
    success = [item for item in results if item.get("query_status") == "success"]
    return {
        "total": len(results),
        "success": len(success),
        "failed": sum(1 for item in results if item.get("query_status") == "failed"),
        "non_empty_success": sum(1 for item in success if item.get("row_count", 0) > 0),
        "all_success": bool(results) and len(success) == len(results),
    }


async def main(
    user_id: int | None = None,
    question: str | None = None,
    questions: list[str] | None = None,
) -> None:
    health = await check_nl2sql_health(
        {
            "mysql": database.mysql.check_health,
            "redis": database.redis.check_health,
            "milvus": database.milvus.check_health,
            "llm": llm.check_health,
        }
    )
    client = milvus_client()
    description = await client.describe_collection(collection_name=NL2SQL_COLLECTION)
    rows = await client.query(
        collection_name=NL2SQL_COLLECTION,
        filter="is_valid == true and is_deprecated == false",
        output_fields=["id"],
    )
    vector_dim = next(
        field["params"]["dim"]
        for field in description["fields"]
        if field["name"] == "vector"
    )
    embedding_dim = None
    embedding_error = None
    try:
        embedding_dim = len(await llm.embed_one("NL2SQL 验收测试"))
    except Exception as exc:  # noqa: BLE001 记录类型，不输出密钥或请求内容
        embedding_error = type(exc).__name__
    output = {
        "health": health,
        "collection": NL2SQL_COLLECTION,
        "configured_dimension": settings.llm.embed_dimensions,
        "collection_dimension": vector_dim,
        "valid_vector_count": len(rows or []),
        "embedding_dimension": embedding_dim,
        "embedding_error": embedding_error,
    }
    query_questions = questions or ([question] if question else [])
    if user_id is not None and query_questions:
        query_results = [
            await run_real_query(user_id, item, query_id=f"nl2sql-e2e-{index}-{uuid4().hex[:8]}")
            for index, item in enumerate(query_questions, start=1)
        ]
        output["queries"] = query_results
        output["query_summary"] = summarize_real_queries(query_results)
        if len(query_results) == 1:
            output["query"] = query_results[0]
    print(output)
    await database.dispose()


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="NL2SQL 真实依赖和查询验收")
    parser.add_argument("--user-id", type=int, help="已配置 NL2SQL 权限的员工 ID")
    parser.add_argument("--question", action="append", help="真实业务查询问题，可重复传入")
    args = parser.parse_args()
    asyncio.run(main(args.user_id, questions=args.question))