class MessengerActions:
    def __init__(self):
        self._outbound = None

    def set_outbound(self, outbound) -> None:
        self._outbound = outbound

    def get_message_actions(self) -> list:
        return [
            {
                "name": "send_template",
                "description": "Send a Messenger template message (button/generic/media/receipt)",
                "params": [
                    {"name": "target_id", "type": "string", "description": "Recipient PSID"},
                    {"name": "template_type", "type": "string", "description": "button|generic|media|receipt"},
                    {"name": "template_payload", "type": "object", "description": "Template payload dict"},
                ],
            },
        ]

    async def execute_message_action(self, action_name: str, params: dict) -> dict:
        if not self._outbound:
            return {"success": False, "error": "outbound not initialized"}

        if action_name == "send_template":
            target_id = params.get("target_id", "")
            template_type = params.get("template_type", "button")
            template_payload = params.get("template_payload", {})
            result = await self._outbound.send_template(target_id, template_type, template_payload)
            return {"success": result.success, "message_id": result.message_id}

        return {"success": False, "error": f"unknown action: {action_name}"}