clickup-cli 0.9.1

use crate::client::ClickUpClient;
use crate::commands::auth::resolve_token;
use crate::commands::workspace::resolve_workspace;
use crate::error::CliError;
use crate::output::OutputConfig;
use crate::Cli;
use clap::Subcommand;

#[derive(Subcommand)]
pub enum ChatCommands {
    /// List channels in the workspace
    #[command(name = "channel-list")]
    ChannelList {
        /// Include closed channels
        #[arg(long)]
        include_closed: bool,
    },
    /// Create a channel
    #[command(name = "channel-create")]
    ChannelCreate {
        /// Channel name
        #[arg(long)]
        name: String,
        /// Visibility: PUBLIC or PRIVATE
        #[arg(long)]
        visibility: Option<String>,
    },
    /// Get a channel by ID
    #[command(name = "channel-get")]
    ChannelGet {
        /// Channel ID
        id: String,
    },
    /// Update a channel
    #[command(name = "channel-update")]
    ChannelUpdate {
        /// Channel ID
        id: String,
        /// New name
        #[arg(long)]
        name: Option<String>,
        /// New topic
        #[arg(long)]
        topic: Option<String>,
    },
    /// Delete a channel
    #[command(name = "channel-delete")]
    ChannelDelete {
        /// Channel ID
        id: String,
    },
    /// List followers of a channel
    #[command(name = "channel-followers")]
    ChannelFollowers {
        /// Channel ID
        id: String,
    },
    /// List members of a channel
    #[command(name = "channel-members")]
    ChannelMembers {
        /// Channel ID
        id: String,
    },
    /// Create or get a direct message channel
    Dm {
        /// User ID(s) to send a DM to
        user_ids: Vec<String>,
    },
    /// List messages in a channel
    #[command(name = "message-list")]
    MessageList {
        /// Channel ID
        #[arg(long)]
        channel: String,
    },
    /// Send a message to a channel
    #[command(name = "message-send")]
    MessageSend {
        /// Channel ID
        #[arg(long)]
        channel: String,
        /// Message text
        #[arg(long)]
        text: String,
        /// Message type: message or post
        #[arg(long, default_value = "message")]
        r#type: String,
    },
    /// Update a message
    #[command(name = "message-update")]
    MessageUpdate {
        /// Message ID
        id: String,
        /// New message text
        #[arg(long)]
        text: String,
    },
    /// Delete a message
    #[command(name = "message-delete")]
    MessageDelete {
        /// Message ID
        id: String,
    },
    /// List reactions on a message
    #[command(name = "reaction-list")]
    ReactionList {
        /// Message ID
        msg_id: String,
    },
    /// Add a reaction to a message
    #[command(name = "reaction-add")]
    ReactionAdd {
        /// Message ID
        msg_id: String,
        /// Emoji name
        #[arg(long)]
        emoji: String,
    },
    /// Remove a reaction from a message
    #[command(name = "reaction-remove")]
    ReactionRemove {
        /// Message ID
        msg_id: String,
        /// Emoji name
        emoji: String,
    },
    /// List replies to a message
    #[command(name = "reply-list")]
    ReplyList {
        /// Message ID
        msg_id: String,
    },
    /// Send a reply to a message
    #[command(name = "reply-send")]
    ReplySend {
        /// Message ID
        msg_id: String,
        /// Reply text
        #[arg(long)]
        text: String,
    },
    /// Get users tagged in a message
    #[command(name = "tagged-users")]
    TaggedUsers {
        /// Message ID
        msg_id: String,
    },
}

const CHANNEL_FIELDS: &[&str] = &["id", "name", "visibility", "type"];
const MESSAGE_FIELDS: &[&str] = &["id", "content", "type", "date"];

pub async fn execute(command: ChatCommands, cli: &Cli) -> Result<(), CliError> {
    let token = resolve_token(cli)?;
    let client = ClickUpClient::new(&token, cli.timeout)?;
    let ws_id = resolve_workspace(cli)?;
    let output = OutputConfig::from_cli(&cli.output, &cli.fields, cli.no_header, cli.quiet);
    let base = format!("/v3/workspaces/{}/chat", ws_id);

    match command {
        ChatCommands::ChannelList { include_closed } => {
            let query = if include_closed {
                "?include_closed=true"
            } else {
                ""
            };
            let resp = client.get(&format!("{}/channels{}", base, query)).await?;
            let mut channels = resp
                .get("channels")
                .and_then(|v| v.as_array())
                .cloned()
                .unwrap_or_default();
            if let Some(limit) = cli.limit {
                channels.truncate(limit);
            }
            output.print_items(&channels, CHANNEL_FIELDS, "id");
            Ok(())
        }
        ChatCommands::ChannelCreate { name, visibility } => {
            let mut body = serde_json::json!({ "name": name });
            if let Some(v) = visibility {
                body["visibility"] = serde_json::Value::String(v);
            }
            let resp = client.post(&format!("{}/channels", base), &body).await?;
            output.print_single(&resp, CHANNEL_FIELDS, "id");
            Ok(())
        }
        ChatCommands::ChannelGet { id } => {
            let resp = client.get(&format!("{}/channels/{}", base, id)).await?;
            output.print_single(&resp, CHANNEL_FIELDS, "id");
            Ok(())
        }
        ChatCommands::ChannelUpdate { id, name, topic } => {
            let mut body = serde_json::Map::new();
            if let Some(n) = name {
                body.insert("name".into(), serde_json::Value::String(n));
            }
            if let Some(t) = topic {
                body.insert("topic".into(), serde_json::Value::String(t));
            }
            let resp = client
                .patch(
                    &format!("{}/channels/{}", base, id),
                    &serde_json::Value::Object(body),
                )
                .await?;
            output.print_single(&resp, CHANNEL_FIELDS, "id");
            Ok(())
        }
        ChatCommands::ChannelDelete { id } => {
            client.delete(&format!("{}/channels/{}", base, id)).await?;
            output.print_message(&format!("Channel {} deleted", id));
            Ok(())
        }
        ChatCommands::ChannelFollowers { id } => {
            let resp = client
                .get(&format!("{}/channels/{}/followers", base, id))
                .await?;
            println!("{}", serde_json::to_string_pretty(&resp).unwrap());
            Ok(())
        }
        ChatCommands::ChannelMembers { id } => {
            let resp = client
                .get(&format!("{}/channels/{}/members", base, id))
                .await?;
            println!("{}", serde_json::to_string_pretty(&resp).unwrap());
            Ok(())
        }
        ChatCommands::Dm { user_ids } => {
            let body = serde_json::json!({ "user_ids": user_ids });
            let resp = client
                .post(&format!("{}/channels/direct_message", base), &body)
                .await?;
            output.print_single(&resp, CHANNEL_FIELDS, "id");
            Ok(())
        }
        ChatCommands::MessageList { channel } => {
            let resp = client
                .get(&format!("{}/channels/{}/messages", base, channel))
                .await?;
            let mut messages = resp
                .get("messages")
                .and_then(|v| v.as_array())
                .cloned()
                .unwrap_or_else(|| {
                    // Response may be an array directly
                    resp.as_array().cloned().unwrap_or_default()
                });
            if let Some(limit) = cli.limit {
                messages.truncate(limit);
            }
            output.print_items(&messages, MESSAGE_FIELDS, "id");
            Ok(())
        }
        ChatCommands::MessageSend {
            channel,
            text,
            r#type,
        } => {
            let body = serde_json::json!({ "content": text, "type": r#type });
            let resp = client
                .post(&format!("{}/channels/{}/messages", base, channel), &body)
                .await?;
            output.print_single(&resp, MESSAGE_FIELDS, "id");
            Ok(())
        }
        ChatCommands::MessageUpdate { id, text } => {
            let body = serde_json::json!({ "content": text });
            let resp = client
                .patch(&format!("{}/messages/{}", base, id), &body)
                .await?;
            output.print_single(&resp, MESSAGE_FIELDS, "id");
            Ok(())
        }
        ChatCommands::MessageDelete { id } => {
            client.delete(&format!("{}/messages/{}", base, id)).await?;
            output.print_message(&format!("Message {} deleted", id));
            Ok(())
        }
        ChatCommands::ReactionList { msg_id } => {
            let resp = client
                .get(&format!("{}/messages/{}/reactions", base, msg_id))
                .await?;
            println!("{}", serde_json::to_string_pretty(&resp).unwrap());
            Ok(())
        }
        ChatCommands::ReactionAdd { msg_id, emoji } => {
            let body = serde_json::json!({ "emoji": emoji });
            let resp = client
                .post(&format!("{}/messages/{}/reactions", base, msg_id), &body)
                .await?;
            println!("{}", serde_json::to_string_pretty(&resp).unwrap());
            Ok(())
        }
        ChatCommands::ReactionRemove { msg_id, emoji } => {
            client
                .delete(&format!("{}/messages/{}/reactions/{}", base, msg_id, emoji))
                .await?;
            output.print_message(&format!(
                "Reaction '{}' removed from message {}",
                emoji, msg_id
            ));
            Ok(())
        }
        ChatCommands::ReplyList { msg_id } => {
            let resp = client
                .get(&format!("{}/messages/{}/replies", base, msg_id))
                .await?;
            let mut replies = resp
                .get("replies")
                .and_then(|v| v.as_array())
                .cloned()
                .unwrap_or_else(|| resp.as_array().cloned().unwrap_or_default());
            if let Some(limit) = cli.limit {
                replies.truncate(limit);
            }
            output.print_items(&replies, MESSAGE_FIELDS, "id");
            Ok(())
        }
        ChatCommands::ReplySend { msg_id, text } => {
            let body = serde_json::json!({ "content": text });
            let resp = client
                .post(&format!("{}/messages/{}/replies", base, msg_id), &body)
                .await?;
            output.print_single(&resp, MESSAGE_FIELDS, "id");
            Ok(())
        }
        ChatCommands::TaggedUsers { msg_id } => {
            let resp = client
                .get(&format!("{}/messages/{}/tagged_users", base, msg_id))
                .await?;
            println!("{}", serde_json::to_string_pretty(&resp).unwrap());
            Ok(())
        }
    }
}