"""动作类型统一入口，新增操作时在这里显式加入联合类型"""

from typing import Annotated

from pydantic import Field, TypeAdapter

from .add import AddAction
from .base import ActionModel, BaseAction
from .move import MoveAction
from .resize import ResizeAction
from .update import UpdateAction

# 按 type 选择对应模型，不维护重复的操作名称映射
Action = Annotated[
    AddAction | MoveAction | ResizeAction | UpdateAction, Field(discriminator="type")
]
action_adapter = TypeAdapter(Action)


class ActionBatch(ActionModel):
    actions: list[Action] = Field(description="按数组顺序执行的动作列表，允许为空")


__all__ = [
    "Action",
    "ActionBatch",
    "AddAction",
    "BaseAction",
    "MoveAction",
    "ResizeAction",
    "UpdateAction",
    "action_adapter",
]