"""FastAPI 验证服务的客户端。"""

import os

import httpx
from dotenv import load_dotenv

from backend.logger import get_logger

load_dotenv(override=True)

_val_log = get_logger("validation")

VALIDATION_URL = os.getenv("VALIDATION_SERVICE_URL", "http://localhost:8001/validate")


def validate_jrxml(jrxml_text: str) -> dict:
    """将 JRXML 发送到验证服务并返回 {valid: bool, error: str}。"""
    jrxml_length = len(jrxml_text)
    try:
        with httpx.Client(timeout=30.0) as client:
            resp = client.post(VALIDATION_URL, json={"jrxml": jrxml_text})
            resp.raise_for_status()
            result = resp.json()
            _val_log.info(
                "验证完成",
                extra={
                    "valid": result.get("valid"),
                    "error": result.get("error", ""),
                    "jrxml_length": jrxml_length,
                },
            )
            return result
    except httpx.ConnectError:
        error_msg = f"无法连接到验证服务 ({VALIDATION_URL})。是否正在运行？"
        _val_log.error("验证服务连接失败", extra={"error": error_msg, "url": VALIDATION_URL})
        return {"valid": False, "error": error_msg}
    except Exception as e:
        error_msg = f"验证请求失败: {str(e)}"
        _val_log.error("验证请求异常", extra={"error": str(e), "url": VALIDATION_URL})
        return {"valid": False, "error": error_msg}