refactor chats (#15)

* refactor

* update

* update

* update

* remove nostrprofile struct

* update

* refactor contacts

* prevent double login

crates/chats/src/message.rs

@@ -1,36 +1,101 @@
-use common::{last_seen::LastSeen, profile::NostrProfile};
+use chrono::{Local, TimeZone};
 use gpui::SharedString;
 use nostr_sdk::prelude::*;
 
+/// # Message
+///
+/// Represents a message in the application.
+///
+/// ## Fields
+///
+/// - `id`: The unique identifier for the message
+/// - `content`: The text content of the message
+/// - `author`: Profile information about who created the message
+/// - `mentions`: List of profiles mentioned in the message
+/// - `created_at`: Timestamp when the message was created
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Message {
     pub id: EventId,
     pub content: String,
-    pub author: NostrProfile,
-    pub mentions: Vec<NostrProfile>,
-    pub created_at: LastSeen,
+    pub author: Profile,
+    pub mentions: Vec<Profile>,
+    pub created_at: Timestamp,
 }
 
 impl Message {
-    pub fn new(
-        id: EventId,
-        content: String,
-        author: NostrProfile,
-        mentions: Vec<NostrProfile>,
-        created_at: Timestamp,
-    ) -> Self {
-        let created_at = LastSeen(created_at);
-
+    /// Creates a new message with the provided details
+    ///
+    /// # Arguments
+    ///
+    /// * `id` - Unique event identifier
+    /// * `content` - Message text content
+    /// * `author` - Profile of the message author
+    /// * `created_at` - When the message was created
+    ///
+    /// # Returns
+    ///
+    /// A new `Message` instance
+    pub fn new(id: EventId, content: String, author: Profile, created_at: Timestamp) -> Self {
         Self {
             id,
             content,
             author,
-            mentions,
             created_at,
+            mentions: vec![],
         }
     }
+
+    /// Adds or replaces mentions in the message
+    ///
+    /// # Arguments
+    ///
+    /// * `mentions` - New list of mentioned profiles
+    ///
+    /// # Returns
+    ///
+    /// The same message with updated mentions
+    pub fn with_mentions(mut self, mentions: impl IntoIterator<Item = Profile>) -> Self {
+        self.mentions.extend(mentions);
+        self
+    }
+
+    /// Formats the message timestamp as a human-readable relative time
+    ///
+    /// # Returns
+    ///
+    /// A formatted string like "Today at 12:30 PM", "Yesterday at 3:45 PM",
+    /// or a date and time for older messages
+    pub fn ago(&self) -> SharedString {
+        let input_time = match Local.timestamp_opt(self.created_at.as_u64() as i64, 0) {
+            chrono::LocalResult::Single(time) => time,
+            _ => return "Invalid timestamp".into(),
+        };
+
+        let now = Local::now();
+        let input_date = input_time.date_naive();
+        let now_date = now.date_naive();
+        let yesterday_date = (now - chrono::Duration::days(1)).date_naive();
+
+        let time_format = input_time.format("%H:%M %p");
+
+        match input_date {
+            date if date == now_date => format!("Today at {time_format}"),
+            date if date == yesterday_date => format!("Yesterday at {time_format}"),
+            _ => format!("{}, {time_format}", input_time.format("%d/%m/%y")),
+        }
+        .into()
+    }
 }
 
+/// # RoomMessage
+///
+/// Represents different types of messages that can appear in a room.
+///
+/// ## Variants
+///
+/// - `User`: A message sent by a user
+/// - `System`: A message generated by the system
+/// - `Announcement`: A special message type used for room announcements
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum RoomMessage {
     /// User message
@@ -43,14 +108,37 @@ pub enum RoomMessage {
 }
 
 impl RoomMessage {
+    /// Creates a new user message
+    ///
+    /// # Arguments
+    ///
+    /// * `message` - The message content
+    ///
+    /// # Returns
+    ///
+    /// A `RoomMessage::User` variant
     pub fn user(message: Message) -> Self {
         Self::User(Box::new(message))
     }
 
+    /// Creates a new system message
+    ///
+    /// # Arguments
+    ///
+    /// * `content` - The system message content
+    ///
+    /// # Returns
+    ///
+    /// A `RoomMessage::System` variant
     pub fn system(content: SharedString) -> Self {
         Self::System(content)
     }
 
+    /// Creates a new announcement placeholder
+    ///
+    /// # Returns
+    ///
+    /// A `RoomMessage::Announcement` variant
     pub fn announcement() -> Self {
         Self::Announcement
     }