use crate::Perform;
use actix_web::web::Data;
use lemmy_api_common::{
  comment::{CommentResponse, DistinguishComment},
  context::LemmyContext,
  utils::{check_community_ban, is_mod_or_admin, local_user_view_from_jwt},
};
use lemmy_db_schema::{
  source::comment::{Comment, CommentUpdateForm},
  traits::Crud,
};
use lemmy_db_views::structs::CommentView;
use lemmy_utils::error::{LemmyError, LemmyErrorExt, LemmyErrorType};

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

  #[tracing::instrument(skip(context))]
  async fn perform(&self, context: &Data<LemmyContext>) -> Result<CommentResponse, LemmyError> {
    let data: &DistinguishComment = self;
    let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;

    let comment_id = data.comment_id;
    let orig_comment = CommentView::read(&mut context.pool(), comment_id, None).await?;

    check_community_ban(
      local_user_view.person.id,
      orig_comment.community.id,
      &mut context.pool(),
    )
    .await?;

    // Verify that only a mod or admin can distinguish a comment
    is_mod_or_admin(
      &mut context.pool(),
      local_user_view.person.id,
      orig_comment.community.id,
    )
    .await?;

    // Update the Comment
    let comment_id = data.comment_id;
    let form = CommentUpdateForm::builder()
      .distinguished(Some(data.distinguished))
      .build();
    Comment::update(&mut context.pool(), comment_id, &form)
      .await
      .with_lemmy_type(LemmyErrorType::CouldntUpdateComment)?;

    let comment_id = data.comment_id;
    let person_id = local_user_view.person.id;
    let comment_view = CommentView::read(&mut context.pool(), comment_id, Some(person_id)).await?;

    Ok(CommentResponse {
      comment_view,
      recipient_ids: Vec::new(),
      form_id: None,
    })
  }
}