class QueryCustomerUnverifiedBillDetailsTool:
    name = 'query_customer_unverified_bill_details'
    route_path = '/mcp/tools/queryCustomerUnverifiedBillDetails'

    def __init__(self, api_client=None):
        self.api_client = api_client

    def metadata(self):
        return {
            'name': self.name,
            'description': (
                '分页查询当前员工有权查看的单个客户未核销账单明细。customer_id必须先从'
                'list_customer_filter_options取得；主回款跟进中的月份汇总需要展开时再调用本工具。'
                '公司、员工、菜单权限和数据范围由当前设备会话确定，调用方不得覆盖。'
            ),
            'input_schema': {
                'type': 'object',
                'properties': {
                    'customer_id': {'type': 'integer', 'minimum': 1},
                    'page': {
                        'type': 'integer', 'minimum': 1, 'maximum': 100,
                        'default': 1,
                    },
                    'limit': {
                        'type': 'integer', 'minimum': 1, 'maximum': 100,
                        'default': 20,
                    },
                },
                'required': ['customer_id'],
                'additionalProperties': False,
            },
        }

    def call(
        self, customer_id, page=1, limit=20,
        request_id='rq_query_customer_unverified_bill_details',
    ):
        if self.api_client is None:
            raise RuntimeError(
                'api client is required for query_customer_unverified_bill_details'
            )
        payload = {
            'customer_id': self._positive_integer(customer_id, 'customer_id'),
            'page': self._bounded_integer(page, 'page'),
            'limit': self._bounded_integer(limit, 'limit'),
        }
        return self.api_client.call_tool(
            self.name, self.route_path, payload, request_id
        )

    @staticmethod
    def _positive_integer(value, field):
        if isinstance(value, bool) or not isinstance(value, int) or value < 1:
            raise ValueError('{0} is invalid'.format(field))
        return value

    @classmethod
    def _bounded_integer(cls, value, field):
        value = cls._positive_integer(value, field)
        if value > 100:
            raise ValueError('{0} is invalid'.format(field))
        return value