from __future__ import annotations

import logging
from dataclasses import dataclass, field

from yuxi.channel.sdk.actions.names import MessageAction

logger = logging.getLogger(__name__)


@dataclass
class DispatchContext:
    """动作调度上下文（对齐 OpenClaw ChannelMessageActionContext）。"""

    channel_type: str
    action: str
    params: dict = field(default_factory=dict)
    account_id: str = "default"
    requester_sender_id: str | None = None
    sender_is_owner: bool = False
    session_key: str | None = None
    agent_id: str | None = None


async def dispatch_message_action(ctx: DispatchContext) -> dict:
    """统一消息动作调度入口。

    执行流程（对齐 OpenClaw dispatchChannelMessageAction）：
    1. 获取插件 → 失败则返回
    2. 获取 actions adapter → 失败则返回
    3. 信任发送者检查 → 失败则返回
    4. supports_action 检查 → 不支持则返回
    5. 执行
    """
    from yuxi.channel.plugins.registry import ChannelPluginRegistry

    plugin = ChannelPluginRegistry.get(ctx.channel_type)
    if plugin is None:
        return {
            "success": False,
            "error": f"渠道 {ctx.channel_type} 未注册",
        }

    adapter = getattr(plugin, "actions", None)
    if adapter is None:
        return {
            "success": False,
            "error": f"渠道 {ctx.channel_type} 未配置 MessageActionRegistry",
        }

    if (
        adapter.requires_trusted_sender(ctx.action)
        and not ctx.requester_sender_id
    ):
        return {
            "success": False,
            "error": f"Action '{ctx.action}' requires trusted sender identity",
        }

    if not adapter.supports_action(ctx.action):
        return {
            "success": False,
            "error": f"渠道 {ctx.channel_type} 不支持 action: {ctx.action}",
        }

    result = await adapter.execute_action(
        ctx.action,
        params=ctx.params,
        context={
            "channel_type": ctx.channel_type,
            "account_id": ctx.account_id,
            "requester_sender_id": ctx.requester_sender_id,
            "sender_is_owner": ctx.sender_is_owner,
            "session_key": ctx.session_key,
            "agent_id": ctx.agent_id,
        },
    )

    return {
        "success": result.get("success", False),
        "message": result.get("error", ""),
        "data": result if result.get("success") else {},
    }