from collections.abc import Awaitable, Callable

from arclet.alconna import Alconna, Option
from nonebot.adapters import Bot
from pydantic import BaseModel

from zhenxun.services.log import logger

from .types import EphemeralJobDeclaration, ScheduledJobDeclaration


class SchedulerRegistry:
    """定时任务注册中心，统一管理所有任务的元数据和解析器"""

    ALL_GROUPS = "__ALL_GROUPS__"

    def __init__(self):
        """初始化调度任务注册中心容器。"""
        self.tasks: dict[
            str,
            dict[str, Callable | type[BaseModel] | int | list[Option] | Alconna | None],
        ] = {}
        self.persistent_declarations: list[ScheduledJobDeclaration] = []
        self.ephemeral_declarations: list[EphemeralJobDeclaration] = []
        self.target_resolvers: dict[
            str, Callable[[str, Bot], Awaitable[list[str | None]]]
        ] = {}
        self.running_tasks: set[int] = set()

    def register_target_resolver(
        self,
        target_type: str,
        resolver_func: Callable[[str, Bot], Awaitable[list[str | None]]],
    ):
        """注册指定执行目标的解析策略。"""
        if target_type in self.target_resolvers:
            logger.warning(f"目标解析器 '{target_type}' 已存在，将被覆盖。")
        self.target_resolvers[target_type.upper()] = resolver_func
        logger.info(f"已注册新的定时任务目标解析器: '{target_type}'")


scheduler_registry = SchedulerRegistry()