use crate::Perform;
use actix_web::web::Data;
use lemmy_api_common::{
  person::{CommentReplyResponse, MarkCommentReplyAsRead},
  utils::{blocking, get_local_user_view_from_jwt},
};
use lemmy_db_schema::{source::comment_reply::CommentReply, traits::Crud};
use lemmy_db_views_actor::structs::CommentReplyView;
use lemmy_utils::{error::LemmyError, ConnectionId};
use lemmy_websocket::LemmyContext;

#[async_trait::async_trait(?Send)]
impl Perform for MarkCommentReplyAsRead {
  type Response = CommentReplyResponse;

  #[tracing::instrument(skip(context, _websocket_id))]
  async fn perform(
    &self,
    context: &Data<LemmyContext>,
    _websocket_id: Option<ConnectionId>,
  ) -> Result<CommentReplyResponse, LemmyError> {
    let data = self;
    let local_user_view =
      get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;

    let comment_reply_id = data.comment_reply_id;
    let read_comment_reply = blocking(context.pool(), move |conn| {
      CommentReply::read(conn, comment_reply_id)
    })
    .await??;

    if local_user_view.person.id != read_comment_reply.recipient_id {
      return Err(LemmyError::from_message("couldnt_update_comment"));
    }

    let comment_reply_id = read_comment_reply.id;
    let read = data.read;
    let update_reply = move |conn: &'_ _| CommentReply::update_read(conn, comment_reply_id, read);
    blocking(context.pool(), update_reply)
      .await?
      .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;

    let comment_reply_id = read_comment_reply.id;
    let person_id = local_user_view.person.id;
    let comment_reply_view = blocking(context.pool(), move |conn| {
      CommentReplyView::read(conn, comment_reply_id, Some(person_id))
    })
    .await??;

    Ok(CommentReplyResponse { comment_reply_view })
  }
}