"""全局异常处理器：捕获未处理异常，返回统一格式。"""
import logging
from flask import jsonify
from insurance.utils.response import ErrorCode

logger = logging.getLogger(__name__)


def register_error_handlers(app):
    """注册全局异常处理器到 Flask app。"""

    @app.errorhandler(404)
    def not_found(e):
        return jsonify({"code": ErrorCode.NOT_FOUND, "message": "资源不存在", "data": None}), 404

    @app.errorhandler(405)
    def method_not_allowed(e):
        return jsonify({"code": ErrorCode.PARAM_ERROR, "message": "请求方法不支持", "data": None}), 405

    @app.errorhandler(500)
    def internal_error(e):
        logger.exception("服务器内部错误")
        return jsonify({"code": ErrorCode.SERVER_ERROR, "message": "服务器内部错误", "data": None}), 500

    @app.errorhandler(Exception)
    def handle_exception(e):
        logger.exception(f"未处理异常: {type(e).__name__}: {e}")
        return jsonify({"code": ErrorCode.SERVER_ERROR, "message": "服务器内部错误", "data": None}), 500