from typing import List, Optional, Union

from pydantic import Field

from app.actions import BaseAction
from app.schemas import ActionParams, ActionContext, MessageChannel


class SendMessageParams(ActionParams):
    """
    发送消息参数
    """
    channel: Optional[List[str]] = Field([], description="消息渠道")
    userid: Optional[Union[str, int]] = Field(None, description="用户ID")


class SendMessageAction(BaseAction):
    """
    发送消息
    """

    @property
    def name(self) -> str:
        return "发送消息"

    @property
    def description(self) -> str:
        return "发送特定消息"

    @property
    def success(self) -> bool:
        return self.done

    async def execute(self, params: SendMessageParams, context: ActionContext) -> ActionContext:
        """
        发送messages中的消息
        """
        for message in context.messages:
            if params.channel:
                message.channel = MessageChannel(params.channel)
            if params.userid:
                message.userid = params.userid
            self.chain.post_message(message)

        context.messages = []

        self.job_done()
        return context