plexus-comms 0.1.1

use super::types::*;
use crate::config::SlackConfig;
use async_stream::stream;
use futures::Stream;

// Required for macro-generated code
use plexus_core::plexus;
use plexus_core::serde_helpers;

#[derive(Clone)]
pub struct Slack {
    bot_token: String,
    client: reqwest::Client,
}

impl Slack {
    pub async fn new(config: SlackConfig) -> Result<Self, String> {
        Ok(Self {
            bot_token: config.bot_token,
            client: reqwest::Client::new(),
        })
    }
}

#[plexus_macros::hub_methods(
    namespace = "slack",
    version = "1.0.0",
    description = "Send messages and interact with Slack workspaces"
)]
impl Slack {
    #[plexus_macros::hub_method(
        description = "Send a message to a channel",
        params(
            channel = "Channel ID or name",
            text = "Message text",
            thread_ts = "Thread timestamp for replies (optional)",
            attachments = "Message attachments (optional)"
        )
    )]
    async fn send_message(
        &self,
        channel: String,
        text: String,
        thread_ts: Option<String>,
        attachments: Option<Vec<serde_json::Value>>,
    ) -> impl Stream<Item = SendMessageEvent> + Send + 'static {
        let _params = SendMessageParams {
            channel: channel.clone(),
            text,
            thread_ts,
            attachments,
        };

        stream! {
            // Slack API implementation would go here
            yield SendMessageEvent::Sent {
                ts: chrono::Utc::now().timestamp().to_string(),
                channel,
            };
        }
    }

    #[plexus_macros::hub_method(
        description = "Create a new channel",
        params(
            name = "Channel name",
            is_private = "Whether the channel is private (optional, default: false)"
        )
    )]
    async fn create_channel(
        &self,
        name: String,
        is_private: Option<bool>,
    ) -> impl Stream<Item = ChannelEvent> + Send + 'static {
        let _params = CreateChannelParams {
            name: name.clone(),
            is_private,
        };

        stream! {
            yield ChannelEvent::Created {
                channel_id: format!("C{}", uuid::Uuid::new_v4().to_string().replace('-', "")),
                name,
            };
        }
    }

    #[plexus_macros::hub_method(
        streaming,
        description = "Listen for Slack events (messages, reactions, etc.)"
    )]
    async fn listen_events(&self) -> impl Stream<Item = SlackEvent> + Send + 'static {
        stream! {
            // Slack Events API or Socket Mode implementation would go here
            yield SlackEvent::Error {
                message: "Not implemented yet".to_string(),
            };
        }
    }
}