class SaveRemoteAddressTool:
    name = 'save_remote_address'
    route_path = '/mcp/tools/saveRemoteAddress'
    backend = 'base'

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

    def metadata(self):
        return {
            'name': self.name,
            'description': (
                '使用场景：新增地址库，或修改已有地址库的名称和启用状态。'
                '新增时不要传编号，必须带名称、状态，以及至少一条地址明细。'
                '编辑时必须传query_remote_address_list返回的编号，只修改名称和状态，不能提交明细。'
                '没有地址明细的地址库不能保存。'
                '状态用1表示启用，用0表示禁用。'
                '国家可以填国家二字码或中文名称。发件人国家和收件人国家至少填一个。'
                '结束邮编不能单独填写，必须同时有开始邮编。'
                '禁止使用：手填不存在的编号、导入文件、删除明细、修改已有明细。'
                '参数只用于工具内部调用；最终回答只能展示中文业务名称和地址库编号。'
            ),
            'input_schema': {
                'type': 'object',
                'properties': {
                    'address_no': {
                        'type': 'string',
                        'minLength': 1,
                        'maxLength': 20,
                        'description': '要编辑的地址库编号，格式为PY加数字。新增时不要传。',
                    },
                    'remote_name': {
                        'type': 'string',
                        'minLength': 1,
                        'maxLength': 100,
                        'description': '地址库名称。',
                    },
                    'status': {
                        'type': 'integer',
                        'enum': [0, 1],
                        'description': '1启用，0禁用。',
                    },
                    'details': {
                        'type': 'array',
                        'maxItems': 200,
                        'description': '新增时的地址明细。编辑时不要传。',
                        'items': {
                            'type': 'object',
                            'properties': {
                                'shipper_country': {'type': 'string', 'maxLength': 50},
                                'shipper_province': {'type': 'string', 'maxLength': 20},
                                'shipper_city': {'type': 'string', 'maxLength': 20},
                                'shipper_start_postcode': {'type': 'string', 'maxLength': 10},
                                'shipper_end_postcode': {'type': 'string', 'maxLength': 10},
                                'country': {'type': 'string', 'maxLength': 50},
                                'province': {'type': 'string', 'maxLength': 20},
                                'city': {'type': 'string', 'maxLength': 20},
                                'start_postcode': {'type': 'string', 'maxLength': 10},
                                'end_postcode': {'type': 'string', 'maxLength': 10},
                            },
                            'additionalProperties': False,
                        },
                    },
                },
                'required': ['remote_name', 'status'],
                'additionalProperties': False,
            },
        }

    def call(
        self,
        remote_name,
        status,
        address_no=None,
        details=None,
        request_id='rq_save_remote_address',
    ):
        if self.api_client is None:
            raise RuntimeError('api client is required for save_remote_address')
        if not isinstance(remote_name, str) or not remote_name.strip() or len(remote_name.strip()) > 100:
            raise ValueError('remote_name is invalid')
        if isinstance(status, bool) or status not in (0, 1):
            raise ValueError('status is invalid')
        payload = {
            'remote_name': remote_name.strip(),
            'status': status,
        }
        if address_no is not None:
            if not isinstance(address_no, str):
                raise ValueError('address_no is invalid')
            address_no = address_no.strip()
            if address_no:
                if len(address_no) > 20:
                    raise ValueError('address_no is invalid')
                payload['address_no'] = address_no
        if details is not None:
            payload['details'] = self._details(details)
        if payload.get('address_no') and payload.get('details'):
            raise ValueError('details is invalid')
        if not payload.get('address_no') and not payload.get('details'):
            raise ValueError('details is invalid')
        return self.api_client.call_tool(
            self.name, self.route_path, payload, request_id,
        )

    @staticmethod
    def _details(details):
        if not isinstance(details, list) or not details or len(details) > 200:
            raise ValueError('details is invalid')
        fields = (
            'shipper_country', 'shipper_province', 'shipper_city',
            'shipper_start_postcode', 'shipper_end_postcode',
            'country', 'province', 'city', 'start_postcode', 'end_postcode',
        )
        postcode_fields = {
            'shipper_start_postcode', 'shipper_end_postcode',
            'start_postcode', 'end_postcode',
        }
        rows = []
        for detail in details:
            if not isinstance(detail, dict) or set(detail) - set(fields):
                raise ValueError('details is invalid')
            row = {}
            for field in fields:
                if field not in detail:
                    continue
                value = detail[field]
                if not isinstance(value, str):
                    raise ValueError('details is invalid')
                value = value.strip()
                limit = 10 if field in postcode_fields else (50 if field in ('shipper_country', 'country') else 20)
                if len(value) > limit:
                    raise ValueError('details is invalid')
                if field in postcode_fields and value and not _postcode(value):
                    raise ValueError('details is invalid')
                if value:
                    row[field] = value
            if not row.get('shipper_country') and not row.get('country'):
                raise ValueError('details is invalid')
            if row.get('shipper_end_postcode') and not row.get('shipper_start_postcode'):
                raise ValueError('details is invalid')
            if row.get('end_postcode') and not row.get('start_postcode'):
                raise ValueError('details is invalid')
            rows.append(row)
        return rows


def _postcode(value):
    for character in value:
        if ('0' <= character <= '9') or ('A' <= character <= 'Z') or ('a' <= character <= 'z') or character in ' -':
            continue
        return False
    return True