//! # Advanced group information
//!
//! @author Pierre Hubert
use serde::Serialize;

use crate::api_data::group_api::GroupApi;
use crate::data::error::ResultBoxError;
use crate::data::group::Group;
use crate::data::user::UserID;
use crate::helpers::likes_helper;
use crate::helpers::likes_helper::LikeType;

#[derive(Serialize)]
pub struct AdvancedGroupApi {
    #[serde(flatten)]
    base_info: GroupApi,

    time_create: u64,
    description: String,
    url: String,
    number_likes: u64,
    is_liking: bool,
}

impl AdvancedGroupApi {
    /// Construct a new advanced group membership instance
    pub fn new(g: &Group, user_id: Option<UserID>) -> ResultBoxError<AdvancedGroupApi> {
        Ok(AdvancedGroupApi {
            base_info: GroupApi::new(g, user_id.clone())?,
            time_create: g.time_create,
            description: g.description.clone().unwrap_or("null".to_string()),
            url: g.url.clone().unwrap_or("null".to_string()),
            number_likes: likes_helper::count(g.id.id(), LikeType::GROUP)? as u64,
            is_liking: likes_helper::is_liking(&user_id.unwrap_or(UserID::invalid()), g.id.id(), LikeType::GROUP)?,
        })
    }
}