use chrono::{DateTime, Utc};
use jid::JID;
use uuid::Uuid;

#[derive(Debug, sqlx::FromRow, Clone)]
pub struct Message {
    pub id: Uuid,
    // does not contain full user information
    #[sqlx(rename = "from_jid")]
    pub from: JID,
    pub timestamp: DateTime<Utc>,
    // TODO: originally_from
    // TODO: message edits
    // TODO: message timestamp
    #[sqlx(flatten)]
    pub body: Body,
}

// TODO: user migrations
// pub enum Migrated {
//     Jabber(User),
//     Outside,
// }

#[derive(Debug, sqlx::FromRow, Clone)]
pub struct Body {
    // TODO: rich text, other contents, threads
    pub body: String,
}

#[derive(sqlx::FromRow, Debug, Clone)]
pub struct Chat {
    pub correspondent: JID,
    // pub unread_messages: i32,
    // pub latest_message: Message,
    // when a new message is received, the chat should be updated, and the new message should be delivered too.
    // message history is not stored in chat, retreived separately.
    // pub message_history: Vec<Message>,
}

pub enum ChatUpdate {}

impl Chat {
    pub fn new(correspondent: JID) -> Self {
        Self { correspondent }
    }
    pub fn correspondent(&self) -> &JID {
        &self.correspondent
    }
}

// TODO: group chats
// pub enum Chat {
//     Direct(DirectChat),
//     Channel(Channel),
// }
// pub struct Channel {}