from typing import Optional

from app.db.oper.systemconfig import SystemConfigOper
from app.schemas.types import SystemConfigKey


class RecognitionRuleService:
    """集中读取用户持久化的媒体识别规则，供启动层注入纯领域匹配器。"""

    def __init__(self, systemconfig: Optional[SystemConfigOper] = None) -> None:
        """绑定系统配置访问器，测试可传入隔离替身。"""
        self._systemconfig = systemconfig or SystemConfigOper()

    def get_customization(self) -> object:
        """返回当前自定义占位符配置。"""
        return self._systemconfig.get(SystemConfigKey.Customization)

    def get_release_groups(self) -> object:
        """返回当前用户自定义制作组配置。"""
        return self._systemconfig.get(SystemConfigKey.CustomReleaseGroups)

    def get_custom_words(self) -> object:
        """返回当前自定义识别词配置。"""
        return self._systemconfig.get(SystemConfigKey.CustomIdentifiers)