//! User bookmark on a message — maps to `message_bookmark` table.
//!
//! Similar to browser bookmarks: user saves a message for later reference,
//! optionally with a personal note.

use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use uuid::Uuid;

/// A user bookmark on a message for later reference.
///
/// Maps to the `message_bookmark` table. Similar to browser bookmarks,
/// optionally with a personal note.
#[derive(Debug, Clone, Serialize, Deserialize, sqlx::FromRow)]
pub struct MessageBookmark {
    pub id: Uuid,
    pub message_id: Uuid,
    pub channel_id: Uuid,
    pub user_id: Uuid,
    /// Personal note the user attached to this bookmark.
    pub note: Option<String>,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_bookmark_serialize() {
        let bm = MessageBookmark {
            id: Uuid::now_v7(),
            message_id: Uuid::now_v7(),
            channel_id: Uuid::now_v7(),
            user_id: Uuid::now_v7(),
            note: Some("Important reference".into()),
            created_at: Utc::now(),
            updated_at: Utc::now(),
        };

        let json = serde_json::to_value(&bm).unwrap();
        assert_eq!(json["note"], "Important reference");
        assert!(json["message_id"].is_string());
    }
}