use tokio::sync::oneshot;
use uuid::Uuid;

use kordophone_db::models::{Conversation, Message};
use crate::daemon::settings::Settings;

pub type Reply<T> = oneshot::Sender<T>;

#[derive(Debug)]
pub enum Event {
    /// Get the version of the daemon.
    GetVersion(Reply<String>),

    /// Asynchronous event for syncing the conversation list with the server.
    SyncConversationList(Reply<()>),

    /// Asynchronous event for syncing all conversations with the server. 
    SyncAllConversations(Reply<()>),

    /// Asynchronous event for syncing a single conversation with the server.
    SyncConversation(String, Reply<()>),

    /// Returns all known conversations from the database.
    /// Parameters: 
    /// - limit: The maximum number of conversations to return. (-1 for no limit)
    /// - offset: The offset into the conversation list to start returning conversations from.
    GetAllConversations(i32, i32, Reply<Vec<Conversation>>),

    /// Returns all known settings from the database.
    GetAllSettings(Reply<Settings>),

    /// Update settings in the database.
    UpdateSettings(Settings, Reply<()>),

    /// Returns all messages for a conversation from the database.
    /// Parameters: 
    /// - conversation_id: The ID of the conversation to get messages for.
    /// - last_message_id: (optional) The ID of the last message to get. If None, all messages are returned.
    GetMessages(String, Option<String>, Reply<Vec<Message>>),

    /// Enqueues a message to be sent to the server.
    /// Parameters: 
    /// - conversation_id: The ID of the conversation to send the message to.
    /// - text: The text of the message to send.
    /// - reply: The outgoing message ID (not the server-assigned message ID).
    SendMessage(String, String, Reply<Uuid>),

    /// Delete all conversations from the database.
    DeleteAllConversations(Reply<()>),
}