from app.classes.web.webhooks.base_webhook import WebhookProvider


class MattermostWebhook(WebhookProvider):
    def _construct_mattermost_payload(self, server_name, title, message):
        """
        Constructs the payload required for sending a Mattermost webhook notification.

        The method formats the given information into a Markdown-styled message for MM,
        including an information card containing the Crafty version.

        Parameters:
        server_name (str): The name of the server triggering the notification.
        title (str): The title for the notification message.
        message (str): The main content of the notification message.

        Returns:
        tuple: A tuple containing the constructed payload (dict) incl headers (dict).
        """
        formatted_text = f"#### {title} \n *Server: {server_name}* \n\n {message}"

        headers = {"Content-Type": "application/json"}
        payload = {
            "text": formatted_text,
            "username": self.WEBHOOK_USERNAME,
            "icon_url": self.WEBHOOK_PFP_URL,
            "props": {
                "card": (
                    f"[Crafty Controller "
                    f"v.{self.CRAFTY_VERSION}](https://craftycontrol.com)"
                )
            },
        }

        return payload, headers

    def send(self, server_name, title, url, message, **kwargs):
        """
        Sends a Mattermost webhook notification using the given details.

        The method constructs and dispatches a payload suitable for
        Mattermost's webhook system.

        Parameters:
        server_name (str): The name of the server triggering the notification.
        title (str): The title for the notification message.
        url (str): The webhook URL to send the notification to.
        message (str): The main content or body of the notification message.

        Returns:
        str: "Dispatch successful!" if the message is sent successfully, otherwise an
        exception is raised.

        Raises:
        Exception: If there's an error in dispatching the webhook.
        """
        payload, headers = self._construct_mattermost_payload(
            server_name, title, message
        )
        return self._send_request(url, payload, headers)